diff --git a/src/misc1.c b/src/misc1.c
new file mode 100644
index 0000000..0e0705d
--- /dev/null
+++ b/src/misc1.c
@@ -0,0 +1,8455 @@
+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved	by Bram Moolenaar
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * misc1.c: functions that didn't seem to fit elsewhere
+ */
+
+#include "vim.h"
+#include "version.h"
+
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>		/* for chdir() */
+#endif
+
+static char_u *vim_version_dir __ARGS((char_u *vimdir));
+static char_u *remove_tail __ARGS((char_u *p, char_u *pend, char_u *name));
+#if defined(USE_EXE_NAME) && defined(MACOS_X)
+static char_u *remove_tail_with_ext __ARGS((char_u *p, char_u *pend, char_u *ext));
+#endif
+static int get_indent_str __ARGS((char_u *ptr, int ts));
+static int copy_indent __ARGS((int size, char_u	*src));
+
+/*
+ * Count the size (in window cells) of the indent in the current line.
+ */
+    int
+get_indent()
+{
+    return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts);
+}
+
+/*
+ * Count the size (in window cells) of the indent in line "lnum".
+ */
+    int
+get_indent_lnum(lnum)
+    linenr_T	lnum;
+{
+    return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts);
+}
+
+#if defined(FEAT_FOLDING) || defined(PROTO)
+/*
+ * Count the size (in window cells) of the indent in line "lnum" of buffer
+ * "buf".
+ */
+    int
+get_indent_buf(buf, lnum)
+    buf_T	*buf;
+    linenr_T	lnum;
+{
+    return get_indent_str(ml_get_buf(buf, lnum, FALSE), (int)buf->b_p_ts);
+}
+#endif
+
+/*
+ * count the size (in window cells) of the indent in line "ptr", with
+ * 'tabstop' at "ts"
+ */
+    static int
+get_indent_str(ptr, ts)
+    char_u	*ptr;
+    int		ts;
+{
+    int		count = 0;
+
+    for ( ; *ptr; ++ptr)
+    {
+	if (*ptr == TAB)    /* count a tab for what it is worth */
+	    count += ts - (count % ts);
+	else if (*ptr == ' ')
+	    ++count;		/* count a space for one */
+	else
+	    break;
+    }
+    return (count);
+}
+
+/*
+ * Set the indent of the current line.
+ * Leaves the cursor on the first non-blank in the line.
+ * Caller must take care of undo.
+ * "flags":
+ *	SIN_CHANGED:	call changed_bytes() if the line was changed.
+ *	SIN_INSERT:	insert the indent in front of the line.
+ *	SIN_UNDO:	save line for undo before changing it.
+ * Returns TRUE if the line was changed.
+ */
+    int
+set_indent(size, flags)
+    int		size;
+    int		flags;
+{
+    char_u	*p;
+    char_u	*newline;
+    char_u	*oldline;
+    char_u	*s;
+    int		todo;
+    int		ind_len;
+    int		line_len;
+    int		doit = FALSE;
+    int		ind_done;
+    int		tab_pad;
+
+    /*
+     * First check if there is anything to do and compute the number of
+     * characters needed for the indent.
+     */
+    todo = size;
+    ind_len = 0;
+    p = oldline = ml_get_curline();
+
+    /* Calculate the buffer size for the new indent, and check to see if it
+     * isn't already set */
+
+    /* if 'expandtab' isn't set: use TABs */
+    if (!curbuf->b_p_et)
+    {
+	/* If 'preserveindent' is set then reuse as much as possible of
+	 * the existing indent structure for the new indent */
+	if (!(flags & SIN_INSERT) && curbuf->b_p_pi)
+	{
+	    ind_done = 0;
+
+	    /* count as many characters as we can use */
+	    while (todo > 0 && vim_iswhite(*p))
+	    {
+		if (*p == TAB)
+		{
+		    tab_pad = (int)curbuf->b_p_ts
+					   - (ind_done % (int)curbuf->b_p_ts);
+		    /* stop if this tab will overshoot the target */
+		    if (todo < tab_pad)
+			break;
+		    todo -= tab_pad;
+		    ++ind_len;
+		    ind_done += tab_pad;
+		}
+		else
+		{
+		    --todo;
+		    ++ind_len;
+		    ++ind_done;
+		}
+		++p;
+	    }
+
+	    /* Fill to next tabstop with a tab, if possible */
+	    tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
+	    if (todo >= tab_pad)
+	    {
+		doit = TRUE;
+		todo -= tab_pad;
+		++ind_len;
+		/* ind_done += tab_pad; */
+	    }
+	}
+
+	/* count tabs required for indent */
+	while (todo >= (int)curbuf->b_p_ts)
+	{
+	    if (*p != TAB)
+		doit = TRUE;
+	    else
+		++p;
+	    todo -= (int)curbuf->b_p_ts;
+	    ++ind_len;
+	    /* ind_done += (int)curbuf->b_p_ts; */
+	}
+    }
+    /* count spaces required for indent */
+    while (todo > 0)
+    {
+	if (*p != ' ')
+	    doit = TRUE;
+	else
+	    ++p;
+	--todo;
+	++ind_len;
+	/* ++ind_done; */
+    }
+
+    /* Return if the indent is OK already. */
+    if (!doit && !vim_iswhite(*p) && !(flags & SIN_INSERT))
+	return FALSE;
+
+    /* Allocate memory for the new line. */
+    if (flags & SIN_INSERT)
+	p = oldline;
+    else
+	p = skipwhite(p);
+    line_len = (int)STRLEN(p) + 1;
+    newline = alloc(ind_len + line_len);
+    if (newline == NULL)
+	return FALSE;
+
+    /* Put the characters in the new line. */
+    s = newline;
+    todo = size;
+    /* if 'expandtab' isn't set: use TABs */
+    if (!curbuf->b_p_et)
+    {
+	/* If 'preserveindent' is set then reuse as much as possible of
+	 * the existing indent structure for the new indent */
+	if (!(flags & SIN_INSERT) && curbuf->b_p_pi)
+	{
+	    p = oldline;
+	    ind_done = 0;
+
+	    while (todo > 0 && vim_iswhite(*p))
+	    {
+		if (*p == TAB)
+		{
+		    tab_pad = (int)curbuf->b_p_ts
+					   - (ind_done % (int)curbuf->b_p_ts);
+		    /* stop if this tab will overshoot the target */
+		    if (todo < tab_pad)
+			break;
+		    todo -= tab_pad;
+		    ind_done += tab_pad;
+		}
+		else
+		{
+		    --todo;
+		    ++ind_done;
+		}
+		*s++ = *p++;
+	    }
+
+	    /* Fill to next tabstop with a tab, if possible */
+	    tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
+	    if (todo >= tab_pad)
+	    {
+		*s++ = TAB;
+		todo -= tab_pad;
+	    }
+
+	    p = skipwhite(p);
+	}
+
+	while (todo >= (int)curbuf->b_p_ts)
+	{
+	    *s++ = TAB;
+	    todo -= (int)curbuf->b_p_ts;
+	}
+    }
+    while (todo > 0)
+    {
+	*s++ = ' ';
+	--todo;
+    }
+    mch_memmove(s, p, (size_t)line_len);
+
+    /* Replace the line (unless undo fails). */
+    if (!(flags & SIN_UNDO) || u_savesub(curwin->w_cursor.lnum) == OK)
+    {
+	ml_replace(curwin->w_cursor.lnum, newline, FALSE);
+	if (flags & SIN_CHANGED)
+	    changed_bytes(curwin->w_cursor.lnum, 0);
+	/* Correct saved cursor position if it's after the indent. */
+	if (saved_cursor.lnum == curwin->w_cursor.lnum
+				&& saved_cursor.col >= (colnr_T)(p - oldline))
+	    saved_cursor.col += ind_len - (p - oldline);
+    }
+    else
+	vim_free(newline);
+
+    curwin->w_cursor.col = ind_len;
+    return TRUE;
+}
+
+/*
+ * Copy the indent from ptr to the current line (and fill to size)
+ * Leaves the cursor on the first non-blank in the line.
+ * Returns TRUE if the line was changed.
+ */
+    static int
+copy_indent(size, src)
+    int		size;
+    char_u	*src;
+{
+    char_u	*p = NULL;
+    char_u	*line = NULL;
+    char_u	*s;
+    int		todo;
+    int		ind_len;
+    int		line_len = 0;
+    int		tab_pad;
+    int		ind_done;
+    int		round;
+
+    /* Round 1: compute the number of characters needed for the indent
+     * Round 2: copy the characters. */
+    for (round = 1; round <= 2; ++round)
+    {
+	todo = size;
+	ind_len = 0;
+	ind_done = 0;
+	s = src;
+
+	/* Count/copy the usable portion of the source line */
+	while (todo > 0 && vim_iswhite(*s))
+	{
+	    if (*s == TAB)
+	    {
+		tab_pad = (int)curbuf->b_p_ts
+					   - (ind_done % (int)curbuf->b_p_ts);
+		/* Stop if this tab will overshoot the target */
+		if (todo < tab_pad)
+		    break;
+		todo -= tab_pad;
+		ind_done += tab_pad;
+	    }
+	    else
+	    {
+		--todo;
+		++ind_done;
+	    }
+	    ++ind_len;
+	    if (round == 2)
+		*p++ = *s;
+	    ++s;
+	}
+
+	/* Fill to next tabstop with a tab, if possible */
+	tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
+	if (todo >= tab_pad)
+	{
+	    todo -= tab_pad;
+	    ++ind_len;
+	    if (round == 2)
+		*p++ = TAB;
+	}
+
+	/* Add tabs required for indent */
+	while (todo >= (int)curbuf->b_p_ts)
+	{
+	    todo -= (int)curbuf->b_p_ts;
+	    ++ind_len;
+	    if (round == 2)
+		*p++ = TAB;
+	}
+
+	/* Count/add spaces required for indent */
+	while (todo > 0)
+	{
+	    --todo;
+	    ++ind_len;
+	    if (round == 2)
+		*p++ = ' ';
+	}
+
+	if (round == 1)
+	{
+	    /* Allocate memory for the result: the copied indent, new indent
+	     * and the rest of the line. */
+	    line_len = (int)STRLEN(ml_get_curline()) + 1;
+	    line = alloc(ind_len + line_len);
+	    if (line == NULL)
+		return FALSE;
+	    p = line;
+	}
+    }
+
+    /* Append the original line */
+    mch_memmove(p, ml_get_curline(), (size_t)line_len);
+
+    /* Replace the line */
+    ml_replace(curwin->w_cursor.lnum, line, FALSE);
+
+    /* Put the cursor after the indent. */
+    curwin->w_cursor.col = ind_len;
+    return TRUE;
+}
+
+/*
+ * Return the indent of the current line after a number.  Return -1 if no
+ * number was found.  Used for 'n' in 'formatoptions': numbered list.
+ */
+    int
+get_number_indent(lnum)
+    linenr_T	lnum;
+{
+    char_u	*line;
+    char_u	*p;
+    colnr_T	col;
+    pos_T	pos;
+
+    if (lnum > curbuf->b_ml.ml_line_count)
+	return -1;
+    line = ml_get(lnum);
+    p = skipwhite(line);
+    if (!VIM_ISDIGIT(*p))
+	return -1;
+    p = skipdigits(p);
+    if (vim_strchr((char_u *)":.)]}\t ", *p) == NULL)
+	return -1;
+    p = skipwhite(p + 1);
+    if (*p == NUL)
+	return -1;
+    pos.lnum = lnum;
+    pos.col = (colnr_T)(p - line);
+    getvcol(curwin, &pos, &col, NULL, NULL);
+    return (int)col;
+}
+
+#if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
+
+static int cin_is_cinword __ARGS((char_u *line));
+
+/*
+ * Return TRUE if the string "line" starts with a word from 'cinwords'.
+ */
+    static int
+cin_is_cinword(line)
+    char_u	*line;
+{
+    char_u	*cinw;
+    char_u	*cinw_buf;
+    int		cinw_len;
+    int		retval = FALSE;
+    int		len;
+
+    cinw_len = (int)STRLEN(curbuf->b_p_cinw) + 1;
+    cinw_buf = alloc((unsigned)cinw_len);
+    if (cinw_buf != NULL)
+    {
+	line = skipwhite(line);
+	for (cinw = curbuf->b_p_cinw; *cinw; )
+	{
+	    len = copy_option_part(&cinw, cinw_buf, cinw_len, ",");
+	    if (STRNCMP(line, cinw_buf, len) == 0
+		    && (!vim_iswordc(line[len]) || !vim_iswordc(line[len - 1])))
+	    {
+		retval = TRUE;
+		break;
+	    }
+	}
+	vim_free(cinw_buf);
+    }
+    return retval;
+}
+#endif
+
+/*
+ * open_line: Add a new line below or above the current line.
+ *
+ * For VREPLACE mode, we only add a new line when we get to the end of the
+ * file, otherwise we just start replacing the next line.
+ *
+ * Caller must take care of undo.  Since VREPLACE may affect any number of
+ * lines however, it may call u_save_cursor() again when starting to change a
+ * new line.
+ * "flags": OPENLINE_DELSPACES	delete spaces after cursor
+ *	    OPENLINE_DO_COM	format comments
+ *	    OPENLINE_KEEPTRAIL	keep trailing spaces
+ *	    OPENLINE_MARKFIX	adjust mark positions after the line break
+ *
+ * Return TRUE for success, FALSE for failure
+ */
+    int
+open_line(dir, flags, old_indent)
+    int		dir;		/* FORWARD or BACKWARD */
+    int		flags;
+    int		old_indent;	/* indent for after ^^D in Insert mode */
+{
+    char_u	*saved_line;		/* copy of the original line */
+    char_u	*next_line = NULL;	/* copy of the next line */
+    char_u	*p_extra = NULL;	/* what goes to next line */
+    int		less_cols = 0;		/* less columns for mark in new line */
+    int		less_cols_off = 0;	/* columns to skip for mark adjust */
+    pos_T	old_cursor;		/* old cursor position */
+    int		newcol = 0;		/* new cursor column */
+    int		newindent = 0;		/* auto-indent of the new line */
+    int		n;
+    int		trunc_line = FALSE;	/* truncate current line afterwards */
+    int		retval = FALSE;		/* return value, default is FAIL */
+#ifdef FEAT_COMMENTS
+    int		extra_len = 0;		/* length of p_extra string */
+    int		lead_len;		/* length of comment leader */
+    char_u	*lead_flags;	/* position in 'comments' for comment leader */
+    char_u	*leader = NULL;		/* copy of comment leader */
+#endif
+    char_u	*allocated = NULL;	/* allocated memory */
+#if defined(FEAT_SMARTINDENT) || defined(FEAT_VREPLACE) || defined(FEAT_LISP) \
+	|| defined(FEAT_CINDENT) || defined(FEAT_COMMENTS)
+    char_u	*p;
+#endif
+    int		saved_char = NUL;	/* init for GCC */
+#if defined(FEAT_SMARTINDENT) || defined(FEAT_COMMENTS)
+    pos_T	*pos;
+#endif
+#ifdef FEAT_SMARTINDENT
+    int		do_si = (!p_paste && curbuf->b_p_si
+# ifdef FEAT_CINDENT
+					&& !curbuf->b_p_cin
+# endif
+			);
+    int		no_si = FALSE;		/* reset did_si afterwards */
+    int		first_char = NUL;	/* init for GCC */
+#endif
+#if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
+    int		vreplace_mode;
+#endif
+    int		did_append;		/* appended a new line */
+    int		saved_pi = curbuf->b_p_pi; /* copy of preserveindent setting */
+
+    /*
+     * make a copy of the current line so we can mess with it
+     */
+    saved_line = vim_strsave(ml_get_curline());
+    if (saved_line == NULL)	    /* out of memory! */
+	return FALSE;
+
+#ifdef FEAT_VREPLACE
+    if (State & VREPLACE_FLAG)
+    {
+	/*
+	 * With VREPLACE we make a copy of the next line, which we will be
+	 * starting to replace.  First make the new line empty and let vim play
+	 * with the indenting and comment leader to its heart's content.  Then
+	 * we grab what it ended up putting on the new line, put back the
+	 * original line, and call ins_char() to put each new character onto
+	 * the line, replacing what was there before and pushing the right
+	 * stuff onto the replace stack.  -- webb.
+	 */
+	if (curwin->w_cursor.lnum < orig_line_count)
+	    next_line = vim_strsave(ml_get(curwin->w_cursor.lnum + 1));
+	else
+	    next_line = vim_strsave((char_u *)"");
+	if (next_line == NULL)	    /* out of memory! */
+	    goto theend;
+
+	/*
+	 * In VREPLACE mode, a NL replaces the rest of the line, and starts
+	 * replacing the next line, so push all of the characters left on the
+	 * line onto the replace stack.  We'll push any other characters that
+	 * might be replaced at the start of the next line (due to autoindent
+	 * etc) a bit later.
+	 */
+	replace_push(NUL);  /* Call twice because BS over NL expects it */
+	replace_push(NUL);
+	p = saved_line + curwin->w_cursor.col;
+	while (*p != NUL)
+	    replace_push(*p++);
+	saved_line[curwin->w_cursor.col] = NUL;
+    }
+#endif
+
+    if ((State & INSERT)
+#ifdef FEAT_VREPLACE
+	    && !(State & VREPLACE_FLAG)
+#endif
+	    )
+    {
+	p_extra = saved_line + curwin->w_cursor.col;
+#ifdef FEAT_SMARTINDENT
+	if (do_si)		/* need first char after new line break */
+	{
+	    p = skipwhite(p_extra);
+	    first_char = *p;
+	}
+#endif
+#ifdef FEAT_COMMENTS
+	extra_len = (int)STRLEN(p_extra);
+#endif
+	saved_char = *p_extra;
+	*p_extra = NUL;
+    }
+
+    u_clearline();		/* cannot do "U" command when adding lines */
+#ifdef FEAT_SMARTINDENT
+    did_si = FALSE;
+#endif
+    ai_col = 0;
+
+    /*
+     * If we just did an auto-indent, then we didn't type anything on
+     * the prior line, and it should be truncated.  Do this even if 'ai' is not
+     * set because automatically inserting a comment leader also sets did_ai.
+     */
+    if (dir == FORWARD && did_ai)
+	trunc_line = TRUE;
+
+    /*
+     * If 'autoindent' and/or 'smartindent' is set, try to figure out what
+     * indent to use for the new line.
+     */
+    if (curbuf->b_p_ai
+#ifdef FEAT_SMARTINDENT
+			|| do_si
+#endif
+					    )
+    {
+	/*
+	 * count white space on current line
+	 */
+	newindent = get_indent_str(saved_line, (int)curbuf->b_p_ts);
+	if (newindent == 0)
+	    newindent = old_indent;	/* for ^^D command in insert mode */
+
+#ifdef FEAT_SMARTINDENT
+	/*
+	 * Do smart indenting.
+	 * In insert/replace mode (only when dir == FORWARD)
+	 * we may move some text to the next line. If it starts with '{'
+	 * don't add an indent. Fixes inserting a NL before '{' in line
+	 *	"if (condition) {"
+	 */
+	if (!trunc_line && do_si && *saved_line != NUL
+				    && (p_extra == NULL || first_char != '{'))
+	{
+	    char_u  *ptr;
+	    char_u  last_char;
+
+	    old_cursor = curwin->w_cursor;
+	    ptr = saved_line;
+# ifdef FEAT_COMMENTS
+	    if (flags & OPENLINE_DO_COM)
+		lead_len = get_leader_len(ptr, NULL, FALSE);
+	    else
+		lead_len = 0;
+# endif
+	    if (dir == FORWARD)
+	    {
+		/*
+		 * Skip preprocessor directives, unless they are
+		 * recognised as comments.
+		 */
+		if (
+# ifdef FEAT_COMMENTS
+			lead_len == 0 &&
+# endif
+			ptr[0] == '#')
+		{
+		    while (ptr[0] == '#' && curwin->w_cursor.lnum > 1)
+			ptr = ml_get(--curwin->w_cursor.lnum);
+		    newindent = get_indent();
+		}
+# ifdef FEAT_COMMENTS
+		if (flags & OPENLINE_DO_COM)
+		    lead_len = get_leader_len(ptr, NULL, FALSE);
+		else
+		    lead_len = 0;
+		if (lead_len > 0)
+		{
+		    /*
+		     * This case gets the following right:
+		     *	    \*
+		     *	     * A comment (read '\' as '/').
+		     *	     *\
+		     * #define IN_THE_WAY
+		     *	    This should line up here;
+		     */
+		    p = skipwhite(ptr);
+		    if (p[0] == '/' && p[1] == '*')
+			p++;
+		    if (p[0] == '*')
+		    {
+			for (p++; *p; p++)
+			{
+			    if (p[0] == '/' && p[-1] == '*')
+			    {
+				/*
+				 * End of C comment, indent should line up
+				 * with the line containing the start of
+				 * the comment
+				 */
+				curwin->w_cursor.col = (colnr_T)(p - ptr);
+				if ((pos = findmatch(NULL, NUL)) != NULL)
+				{
+				    curwin->w_cursor.lnum = pos->lnum;
+				    newindent = get_indent();
+				}
+			    }
+			}
+		    }
+		}
+		else	/* Not a comment line */
+# endif
+		{
+		    /* Find last non-blank in line */
+		    p = ptr + STRLEN(ptr) - 1;
+		    while (p > ptr && vim_iswhite(*p))
+			--p;
+		    last_char = *p;
+
+		    /*
+		     * find the character just before the '{' or ';'
+		     */
+		    if (last_char == '{' || last_char == ';')
+		    {
+			if (p > ptr)
+			    --p;
+			while (p > ptr && vim_iswhite(*p))
+			    --p;
+		    }
+		    /*
+		     * Try to catch lines that are split over multiple
+		     * lines.  eg:
+		     *	    if (condition &&
+		     *			condition) {
+		     *		Should line up here!
+		     *	    }
+		     */
+		    if (*p == ')')
+		    {
+			curwin->w_cursor.col = (colnr_T)(p - ptr);
+			if ((pos = findmatch(NULL, '(')) != NULL)
+			{
+			    curwin->w_cursor.lnum = pos->lnum;
+			    newindent = get_indent();
+			    ptr = ml_get_curline();
+			}
+		    }
+		    /*
+		     * If last character is '{' do indent, without
+		     * checking for "if" and the like.
+		     */
+		    if (last_char == '{')
+		    {
+			did_si = TRUE;	/* do indent */
+			no_si = TRUE;	/* don't delete it when '{' typed */
+		    }
+		    /*
+		     * Look for "if" and the like, use 'cinwords'.
+		     * Don't do this if the previous line ended in ';' or
+		     * '}'.
+		     */
+		    else if (last_char != ';' && last_char != '}'
+						       && cin_is_cinword(ptr))
+			did_si = TRUE;
+		}
+	    }
+	    else /* dir == BACKWARD */
+	    {
+		/*
+		 * Skip preprocessor directives, unless they are
+		 * recognised as comments.
+		 */
+		if (
+# ifdef FEAT_COMMENTS
+			lead_len == 0 &&
+# endif
+			ptr[0] == '#')
+		{
+		    int was_backslashed = FALSE;
+
+		    while ((ptr[0] == '#' || was_backslashed) &&
+			 curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
+		    {
+			if (*ptr && ptr[STRLEN(ptr) - 1] == '\\')
+			    was_backslashed = TRUE;
+			else
+			    was_backslashed = FALSE;
+			ptr = ml_get(++curwin->w_cursor.lnum);
+		    }
+		    if (was_backslashed)
+			newindent = 0;	    /* Got to end of file */
+		    else
+			newindent = get_indent();
+		}
+		p = skipwhite(ptr);
+		if (*p == '}')	    /* if line starts with '}': do indent */
+		    did_si = TRUE;
+		else		    /* can delete indent when '{' typed */
+		    can_si_back = TRUE;
+	    }
+	    curwin->w_cursor = old_cursor;
+	}
+	if (do_si)
+	    can_si = TRUE;
+#endif /* FEAT_SMARTINDENT */
+
+	did_ai = TRUE;
+    }
+
+#ifdef FEAT_COMMENTS
+    /*
+     * Find out if the current line starts with a comment leader.
+     * This may then be inserted in front of the new line.
+     */
+    end_comment_pending = NUL;
+    if (flags & OPENLINE_DO_COM)
+	lead_len = get_leader_len(saved_line, &lead_flags, dir == BACKWARD);
+    else
+	lead_len = 0;
+    if (lead_len > 0)
+    {
+	char_u	*lead_repl = NULL;	    /* replaces comment leader */
+	int	lead_repl_len = 0;	    /* length of *lead_repl */
+	char_u	lead_middle[COM_MAX_LEN];   /* middle-comment string */
+	char_u	lead_end[COM_MAX_LEN];	    /* end-comment string */
+	char_u	*comment_end = NULL;	    /* where lead_end has been found */
+	int	extra_space = FALSE;	    /* append extra space */
+	int	current_flag;
+	int	require_blank = FALSE;	    /* requires blank after middle */
+	char_u	*p2;
+
+	/*
+	 * If the comment leader has the start, middle or end flag, it may not
+	 * be used or may be replaced with the middle leader.
+	 */
+	for (p = lead_flags; *p && *p != ':'; ++p)
+	{
+	    if (*p == COM_BLANK)
+	    {
+		require_blank = TRUE;
+		continue;
+	    }
+	    if (*p == COM_START || *p == COM_MIDDLE)
+	    {
+		current_flag = *p;
+		if (*p == COM_START)
+		{
+		    /*
+		     * Doing "O" on a start of comment does not insert leader.
+		     */
+		    if (dir == BACKWARD)
+		    {
+			lead_len = 0;
+			break;
+		    }
+
+		    /* find start of middle part */
+		    (void)copy_option_part(&p, lead_middle, COM_MAX_LEN, ",");
+		    require_blank = FALSE;
+		}
+
+		/*
+		 * Isolate the strings of the middle and end leader.
+		 */
+		while (*p && p[-1] != ':')	/* find end of middle flags */
+		{
+		    if (*p == COM_BLANK)
+			require_blank = TRUE;
+		    ++p;
+		}
+		(void)copy_option_part(&p, lead_middle, COM_MAX_LEN, ",");
+
+		while (*p && p[-1] != ':')	/* find end of end flags */
+		{
+		    /* Check whether we allow automatic ending of comments */
+		    if (*p == COM_AUTO_END)
+			end_comment_pending = -1; /* means we want to set it */
+		    ++p;
+		}
+		n = copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
+
+		if (end_comment_pending == -1)	/* we can set it now */
+		    end_comment_pending = lead_end[n - 1];
+
+		/*
+		 * If the end of the comment is in the same line, don't use
+		 * the comment leader.
+		 */
+		if (dir == FORWARD)
+		{
+		    for (p = saved_line + lead_len; *p; ++p)
+			if (STRNCMP(p, lead_end, n) == 0)
+			{
+			    comment_end = p;
+			    lead_len = 0;
+			    break;
+			}
+		}
+
+		/*
+		 * Doing "o" on a start of comment inserts the middle leader.
+		 */
+		if (lead_len > 0)
+		{
+		    if (current_flag == COM_START)
+		    {
+			lead_repl = lead_middle;
+			lead_repl_len = (int)STRLEN(lead_middle);
+		    }
+
+		    /*
+		     * If we have hit RETURN immediately after the start
+		     * comment leader, then put a space after the middle
+		     * comment leader on the next line.
+		     */
+		    if (!vim_iswhite(saved_line[lead_len - 1])
+			    && ((p_extra != NULL
+				    && (int)curwin->w_cursor.col == lead_len)
+				|| (p_extra == NULL
+				    && saved_line[lead_len] == NUL)
+				|| require_blank))
+			extra_space = TRUE;
+		}
+		break;
+	    }
+	    if (*p == COM_END)
+	    {
+		/*
+		 * Doing "o" on the end of a comment does not insert leader.
+		 * Remember where the end is, might want to use it to find the
+		 * start (for C-comments).
+		 */
+		if (dir == FORWARD)
+		{
+		    comment_end = skipwhite(saved_line);
+		    lead_len = 0;
+		    break;
+		}
+
+		/*
+		 * Doing "O" on the end of a comment inserts the middle leader.
+		 * Find the string for the middle leader, searching backwards.
+		 */
+		while (p > curbuf->b_p_com && *p != ',')
+		    --p;
+		for (lead_repl = p; lead_repl > curbuf->b_p_com
+					 && lead_repl[-1] != ':'; --lead_repl)
+		    ;
+		lead_repl_len = (int)(p - lead_repl);
+
+		/* We can probably always add an extra space when doing "O" on
+		 * the comment-end */
+		extra_space = TRUE;
+
+		/* Check whether we allow automatic ending of comments */
+		for (p2 = p; *p2 && *p2 != ':'; p2++)
+		{
+		    if (*p2 == COM_AUTO_END)
+			end_comment_pending = -1; /* means we want to set it */
+		}
+		if (end_comment_pending == -1)
+		{
+		    /* Find last character in end-comment string */
+		    while (*p2 && *p2 != ',')
+			p2++;
+		    end_comment_pending = p2[-1];
+		}
+		break;
+	    }
+	    if (*p == COM_FIRST)
+	    {
+		/*
+		 * Comment leader for first line only:	Don't repeat leader
+		 * when using "O", blank out leader when using "o".
+		 */
+		if (dir == BACKWARD)
+		    lead_len = 0;
+		else
+		{
+		    lead_repl = (char_u *)"";
+		    lead_repl_len = 0;
+		}
+		break;
+	    }
+	}
+	if (lead_len)
+	{
+	    /* allocate buffer (may concatenate p_exta later) */
+	    leader = alloc(lead_len + lead_repl_len + extra_space +
+							      extra_len + 1);
+	    allocated = leader;		    /* remember to free it later */
+
+	    if (leader == NULL)
+		lead_len = 0;
+	    else
+	    {
+		STRNCPY(leader, saved_line, lead_len);
+		leader[lead_len] = NUL;
+
+		/*
+		 * Replace leader with lead_repl, right or left adjusted
+		 */
+		if (lead_repl != NULL)
+		{
+		    int		c = 0;
+		    int		off = 0;
+
+		    for (p = lead_flags; *p && *p != ':'; ++p)
+		    {
+			if (*p == COM_RIGHT || *p == COM_LEFT)
+			    c = *p;
+			else if (VIM_ISDIGIT(*p) || *p == '-')
+			    off = getdigits(&p);
+		    }
+		    if (c == COM_RIGHT)    /* right adjusted leader */
+		    {
+			/* find last non-white in the leader to line up with */
+			for (p = leader + lead_len - 1; p > leader
+						      && vim_iswhite(*p); --p)
+			    ;
+
+			++p;
+			if (p < leader + lead_repl_len)
+			    p = leader;
+			else
+			    p -= lead_repl_len;
+			mch_memmove(p, lead_repl, (size_t)lead_repl_len);
+			if (p + lead_repl_len > leader + lead_len)
+			    p[lead_repl_len] = NUL;
+
+			/* blank-out any other chars from the old leader. */
+			while (--p >= leader)
+			    if (!vim_iswhite(*p))
+				*p = ' ';
+		    }
+		    else		    /* left adjusted leader */
+		    {
+			p = skipwhite(leader);
+			mch_memmove(p, lead_repl, (size_t)lead_repl_len);
+
+			/* Replace any remaining non-white chars in the old
+			 * leader by spaces.  Keep Tabs, the indent must
+			 * remain the same. */
+			for (p += lead_repl_len; p < leader + lead_len; ++p)
+			    if (!vim_iswhite(*p))
+			    {
+				/* Don't put a space before a TAB. */
+				if (p + 1 < leader + lead_len && p[1] == TAB)
+				{
+				    --lead_len;
+				    mch_memmove(p, p + 1,
+						     (leader + lead_len) - p);
+				}
+				else
+				    *p = ' ';
+			    }
+			*p = NUL;
+		    }
+
+		    /* Recompute the indent, it may have changed. */
+		    if (curbuf->b_p_ai
+#ifdef FEAT_SMARTINDENT
+					|| do_si
+#endif
+							   )
+			newindent = get_indent_str(leader, (int)curbuf->b_p_ts);
+
+		    /* Add the indent offset */
+		    if (newindent + off < 0)
+		    {
+			off = -newindent;
+			newindent = 0;
+		    }
+		    else
+			newindent += off;
+
+		    /* Correct trailing spaces for the shift, so that
+		     * alignment remains equal. */
+		    while (off > 0 && lead_len > 0
+					       && leader[lead_len - 1] == ' ')
+		    {
+			/* Don't do it when there is a tab before the space */
+			if (vim_strchr(skipwhite(leader), '\t') != NULL)
+			    break;
+			--lead_len;
+			--off;
+		    }
+
+		    /* If the leader ends in white space, don't add an
+		     * extra space */
+		    if (lead_len > 0 && vim_iswhite(leader[lead_len - 1]))
+			extra_space = FALSE;
+		    leader[lead_len] = NUL;
+		}
+
+		if (extra_space)
+		{
+		    leader[lead_len++] = ' ';
+		    leader[lead_len] = NUL;
+		}
+
+		newcol = lead_len;
+
+		/*
+		 * if a new indent will be set below, remove the indent that
+		 * is in the comment leader
+		 */
+		if (newindent
+#ifdef FEAT_SMARTINDENT
+				|| did_si
+#endif
+					   )
+		{
+		    while (lead_len && vim_iswhite(*leader))
+		    {
+			--lead_len;
+			--newcol;
+			++leader;
+		    }
+		}
+
+	    }
+#ifdef FEAT_SMARTINDENT
+	    did_si = can_si = FALSE;
+#endif
+	}
+	else if (comment_end != NULL)
+	{
+	    /*
+	     * We have finished a comment, so we don't use the leader.
+	     * If this was a C-comment and 'ai' or 'si' is set do a normal
+	     * indent to align with the line containing the start of the
+	     * comment.
+	     */
+	    if (comment_end[0] == '*' && comment_end[1] == '/' &&
+			(curbuf->b_p_ai
+#ifdef FEAT_SMARTINDENT
+					|| do_si
+#endif
+							   ))
+	    {
+		old_cursor = curwin->w_cursor;
+		curwin->w_cursor.col = (colnr_T)(comment_end - saved_line);
+		if ((pos = findmatch(NULL, NUL)) != NULL)
+		{
+		    curwin->w_cursor.lnum = pos->lnum;
+		    newindent = get_indent();
+		}
+		curwin->w_cursor = old_cursor;
+	    }
+	}
+    }
+#endif
+
+    /* (State == INSERT || State == REPLACE), only when dir == FORWARD */
+    if (p_extra != NULL)
+    {
+	*p_extra = saved_char;		/* restore char that NUL replaced */
+
+	/*
+	 * When 'ai' set or "flags" has OPENLINE_DELSPACES, skip to the first
+	 * non-blank.
+	 *
+	 * When in REPLACE mode, put the deleted blanks on the replace stack,
+	 * preceded by a NUL, so they can be put back when a BS is entered.
+	 */
+	if (REPLACE_NORMAL(State))
+	    replace_push(NUL);	    /* end of extra blanks */
+	if (curbuf->b_p_ai || (flags & OPENLINE_DELSPACES))
+	{
+	    while ((*p_extra == ' ' || *p_extra == '\t')
+#ifdef FEAT_MBYTE
+		    && (!enc_utf8
+			       || !utf_iscomposing(utf_ptr2char(p_extra + 1)))
+#endif
+		    )
+	    {
+		if (REPLACE_NORMAL(State))
+		    replace_push(*p_extra);
+		++p_extra;
+		++less_cols_off;
+	    }
+	}
+	if (*p_extra != NUL)
+	    did_ai = FALSE;	    /* append some text, don't truncate now */
+
+	/* columns for marks adjusted for removed columns */
+	less_cols = (int)(p_extra - saved_line);
+    }
+
+    if (p_extra == NULL)
+	p_extra = (char_u *)"";		    /* append empty line */
+
+#ifdef FEAT_COMMENTS
+    /* concatenate leader and p_extra, if there is a leader */
+    if (lead_len)
+    {
+	STRCAT(leader, p_extra);
+	p_extra = leader;
+	did_ai = TRUE;	    /* So truncating blanks works with comments */
+	less_cols -= lead_len;
+    }
+    else
+	end_comment_pending = NUL;  /* turns out there was no leader */
+#endif
+
+    old_cursor = curwin->w_cursor;
+    if (dir == BACKWARD)
+	--curwin->w_cursor.lnum;
+#ifdef FEAT_VREPLACE
+    if (!(State & VREPLACE_FLAG) || old_cursor.lnum >= orig_line_count)
+#endif
+    {
+	if (ml_append(curwin->w_cursor.lnum, p_extra, (colnr_T)0, FALSE)
+								      == FAIL)
+	    goto theend;
+	/* Postpone calling changed_lines(), because it would mess up folding
+	 * with markers. */
+	mark_adjust(curwin->w_cursor.lnum + 1, (linenr_T)MAXLNUM, 1L, 0L);
+	did_append = TRUE;
+    }
+#ifdef FEAT_VREPLACE
+    else
+    {
+	/*
+	 * In VREPLACE mode we are starting to replace the next line.
+	 */
+	curwin->w_cursor.lnum++;
+	if (curwin->w_cursor.lnum >= Insstart.lnum + vr_lines_changed)
+	{
+	    /* In case we NL to a new line, BS to the previous one, and NL
+	     * again, we don't want to save the new line for undo twice.
+	     */
+	    (void)u_save_cursor();		    /* errors are ignored! */
+	    vr_lines_changed++;
+	}
+	ml_replace(curwin->w_cursor.lnum, p_extra, TRUE);
+	changed_bytes(curwin->w_cursor.lnum, 0);
+	curwin->w_cursor.lnum--;
+	did_append = FALSE;
+    }
+#endif
+
+    if (newindent
+#ifdef FEAT_SMARTINDENT
+		    || did_si
+#endif
+				)
+    {
+	++curwin->w_cursor.lnum;
+#ifdef FEAT_SMARTINDENT
+	if (did_si)
+	{
+	    if (p_sr)
+		newindent -= newindent % (int)curbuf->b_p_sw;
+	    newindent += (int)curbuf->b_p_sw;
+	}
+#endif
+	/* Copy the indent only if expand tab is disabled */
+	if (curbuf->b_p_ci && !curbuf->b_p_et)
+	{
+	    (void)copy_indent(newindent, saved_line);
+
+	    /*
+	     * Set the 'preserveindent' option so that any further screwing
+	     * with the line doesn't entirely destroy our efforts to preserve
+	     * it.  It gets restored at the function end.
+	     */
+	    curbuf->b_p_pi = TRUE;
+	}
+	else
+	    (void)set_indent(newindent, SIN_INSERT);
+	less_cols -= curwin->w_cursor.col;
+
+	ai_col = curwin->w_cursor.col;
+
+	/*
+	 * In REPLACE mode, for each character in the new indent, there must
+	 * be a NUL on the replace stack, for when it is deleted with BS
+	 */
+	if (REPLACE_NORMAL(State))
+	    for (n = 0; n < (int)curwin->w_cursor.col; ++n)
+		replace_push(NUL);
+	newcol += curwin->w_cursor.col;
+#ifdef FEAT_SMARTINDENT
+	if (no_si)
+	    did_si = FALSE;
+#endif
+    }
+
+#ifdef FEAT_COMMENTS
+    /*
+     * In REPLACE mode, for each character in the extra leader, there must be
+     * a NUL on the replace stack, for when it is deleted with BS.
+     */
+    if (REPLACE_NORMAL(State))
+	while (lead_len-- > 0)
+	    replace_push(NUL);
+#endif
+
+    curwin->w_cursor = old_cursor;
+
+    if (dir == FORWARD)
+    {
+	if (trunc_line || (State & INSERT))
+	{
+	    /* truncate current line at cursor */
+	    saved_line[curwin->w_cursor.col] = NUL;
+	    /* Remove trailing white space, unless OPENLINE_KEEPTRAIL used. */
+	    if (trunc_line && !(flags & OPENLINE_KEEPTRAIL))
+		truncate_spaces(saved_line);
+	    ml_replace(curwin->w_cursor.lnum, saved_line, FALSE);
+	    saved_line = NULL;
+	    if (did_append)
+	    {
+		changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col,
+					       curwin->w_cursor.lnum + 1, 1L);
+		did_append = FALSE;
+
+		/* Move marks after the line break to the new line. */
+		if (flags & OPENLINE_MARKFIX)
+		    mark_col_adjust(curwin->w_cursor.lnum,
+					 curwin->w_cursor.col + less_cols_off,
+							1L, (long)-less_cols);
+	    }
+	    else
+		changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col);
+	}
+
+	/*
+	 * Put the cursor on the new line.  Careful: the scrollup() above may
+	 * have moved w_cursor, we must use old_cursor.
+	 */
+	curwin->w_cursor.lnum = old_cursor.lnum + 1;
+    }
+    if (did_append)
+	changed_lines(curwin->w_cursor.lnum, 0, curwin->w_cursor.lnum, 1L);
+
+    curwin->w_cursor.col = newcol;
+#ifdef FEAT_VIRTUALEDIT
+    curwin->w_cursor.coladd = 0;
+#endif
+
+#if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
+    /*
+     * In VREPLACE mode, we are handling the replace stack ourselves, so stop
+     * fixthisline() from doing it (via change_indent()) by telling it we're in
+     * normal INSERT mode.
+     */
+    if (State & VREPLACE_FLAG)
+    {
+	vreplace_mode = State;	/* So we know to put things right later */
+	State = INSERT;
+    }
+    else
+	vreplace_mode = 0;
+#endif
+#ifdef FEAT_LISP
+    /*
+     * May do lisp indenting.
+     */
+    if (!p_paste
+# ifdef FEAT_COMMENTS
+	    && leader == NULL
+# endif
+	    && curbuf->b_p_lisp
+	    && curbuf->b_p_ai)
+    {
+	fixthisline(get_lisp_indent);
+	p = ml_get_curline();
+	ai_col = (colnr_T)(skipwhite(p) - p);
+    }
+#endif
+#ifdef FEAT_CINDENT
+    /*
+     * May do indenting after opening a new line.
+     */
+    if (!p_paste
+	    && (curbuf->b_p_cin
+#  ifdef FEAT_EVAL
+		    || *curbuf->b_p_inde != NUL
+#  endif
+		)
+	    && in_cinkeys(dir == FORWARD
+		? KEY_OPEN_FORW
+		: KEY_OPEN_BACK, ' ', linewhite(curwin->w_cursor.lnum)))
+    {
+	do_c_expr_indent();
+	p = ml_get_curline();
+	ai_col = (colnr_T)(skipwhite(p) - p);
+    }
+#endif
+#if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
+    if (vreplace_mode != 0)
+	State = vreplace_mode;
+#endif
+
+#ifdef FEAT_VREPLACE
+    /*
+     * Finally, VREPLACE gets the stuff on the new line, then puts back the
+     * original line, and inserts the new stuff char by char, pushing old stuff
+     * onto the replace stack (via ins_char()).
+     */
+    if (State & VREPLACE_FLAG)
+    {
+	/* Put new line in p_extra */
+	p_extra = vim_strsave(ml_get_curline());
+	if (p_extra == NULL)
+	    goto theend;
+
+	/* Put back original line */
+	ml_replace(curwin->w_cursor.lnum, next_line, FALSE);
+
+	/* Insert new stuff into line again */
+	curwin->w_cursor.col = 0;
+#ifdef FEAT_VIRTUALEDIT
+	curwin->w_cursor.coladd = 0;
+#endif
+	ins_bytes(p_extra);	/* will call changed_bytes() */
+	vim_free(p_extra);
+	next_line = NULL;
+    }
+#endif
+
+    retval = TRUE;		/* success! */
+theend:
+    curbuf->b_p_pi = saved_pi;
+    vim_free(saved_line);
+    vim_free(next_line);
+    vim_free(allocated);
+    return retval;
+}
+
+#if defined(FEAT_COMMENTS) || defined(PROTO)
+/*
+ * get_leader_len() returns the length of the prefix of the given string
+ * which introduces a comment.	If this string is not a comment then 0 is
+ * returned.
+ * When "flags" is not NULL, it is set to point to the flags of the recognized
+ * comment leader.
+ * "backward" must be true for the "O" command.
+ */
+    int
+get_leader_len(line, flags, backward)
+    char_u	*line;
+    char_u	**flags;
+    int		backward;
+{
+    int		i, j;
+    int		got_com = FALSE;
+    int		found_one;
+    char_u	part_buf[COM_MAX_LEN];	/* buffer for one option part */
+    char_u	*string;		/* pointer to comment string */
+    char_u	*list;
+
+    i = 0;
+    while (vim_iswhite(line[i]))    /* leading white space is ignored */
+	++i;
+
+    /*
+     * Repeat to match several nested comment strings.
+     */
+    while (line[i])
+    {
+	/*
+	 * scan through the 'comments' option for a match
+	 */
+	found_one = FALSE;
+	for (list = curbuf->b_p_com; *list; )
+	{
+	    /*
+	     * Get one option part into part_buf[].  Advance list to next one.
+	     * put string at start of string.
+	     */
+	    if (!got_com && flags != NULL)  /* remember where flags started */
+		*flags = list;
+	    (void)copy_option_part(&list, part_buf, COM_MAX_LEN, ",");
+	    string = vim_strchr(part_buf, ':');
+	    if (string == NULL)	    /* missing ':', ignore this part */
+		continue;
+	    *string++ = NUL;	    /* isolate flags from string */
+
+	    /*
+	     * When already found a nested comment, only accept further
+	     * nested comments.
+	     */
+	    if (got_com && vim_strchr(part_buf, COM_NEST) == NULL)
+		continue;
+
+	    /* When 'O' flag used don't use for "O" command */
+	    if (backward && vim_strchr(part_buf, COM_NOBACK) != NULL)
+		continue;
+
+	    /*
+	     * Line contents and string must match.
+	     * When string starts with white space, must have some white space
+	     * (but the amount does not need to match, there might be a mix of
+	     * TABs and spaces).
+	     */
+	    if (vim_iswhite(string[0]))
+	    {
+		if (i == 0 || !vim_iswhite(line[i - 1]))
+		    continue;
+		while (vim_iswhite(string[0]))
+		    ++string;
+	    }
+	    for (j = 0; string[j] != NUL && string[j] == line[i + j]; ++j)
+		;
+	    if (string[j] != NUL)
+		continue;
+
+	    /*
+	     * When 'b' flag used, there must be white space or an
+	     * end-of-line after the string in the line.
+	     */
+	    if (vim_strchr(part_buf, COM_BLANK) != NULL
+			   && !vim_iswhite(line[i + j]) && line[i + j] != NUL)
+		continue;
+
+	    /*
+	     * We have found a match, stop searching.
+	     */
+	    i += j;
+	    got_com = TRUE;
+	    found_one = TRUE;
+	    break;
+	}
+
+	/*
+	 * No match found, stop scanning.
+	 */
+	if (!found_one)
+	    break;
+
+	/*
+	 * Include any trailing white space.
+	 */
+	while (vim_iswhite(line[i]))
+	    ++i;
+
+	/*
+	 * If this comment doesn't nest, stop here.
+	 */
+	if (vim_strchr(part_buf, COM_NEST) == NULL)
+	    break;
+    }
+    return (got_com ? i : 0);
+}
+#endif
+
+/*
+ * Return the number of window lines occupied by buffer line "lnum".
+ */
+    int
+plines(lnum)
+    linenr_T	lnum;
+{
+    return plines_win(curwin, lnum, TRUE);
+}
+
+    int
+plines_win(wp, lnum, winheight)
+    win_T	*wp;
+    linenr_T	lnum;
+    int		winheight;	/* when TRUE limit to window height */
+{
+#if defined(FEAT_DIFF) || defined(PROTO)
+    /* Check for filler lines above this buffer line.  When folded the result
+     * is one line anyway. */
+    return plines_win_nofill(wp, lnum, winheight) + diff_check_fill(wp, lnum);
+}
+
+    int
+plines_nofill(lnum)
+    linenr_T	lnum;
+{
+    return plines_win_nofill(curwin, lnum, TRUE);
+}
+
+    int
+plines_win_nofill(wp, lnum, winheight)
+    win_T	*wp;
+    linenr_T	lnum;
+    int		winheight;	/* when TRUE limit to window height */
+{
+#endif
+    int		lines;
+
+    if (!wp->w_p_wrap)
+	return 1;
+
+#ifdef FEAT_VERTSPLIT
+    if (wp->w_width == 0)
+	return 1;
+#endif
+
+#ifdef FEAT_FOLDING
+    /* A folded lines is handled just like an empty line. */
+    /* NOTE: Caller must handle lines that are MAYBE folded. */
+    if (lineFolded(wp, lnum) == TRUE)
+	return 1;
+#endif
+
+    lines = plines_win_nofold(wp, lnum);
+    if (winheight > 0 && lines > wp->w_height)
+	return (int)wp->w_height;
+    return lines;
+}
+
+/*
+ * Return number of window lines physical line "lnum" will occupy in window
+ * "wp".  Does not care about folding, 'wrap' or 'diff'.
+ */
+    int
+plines_win_nofold(wp, lnum)
+    win_T	*wp;
+    linenr_T	lnum;
+{
+    char_u	*s;
+    long	col;
+    int		width;
+
+    s = ml_get_buf(wp->w_buffer, lnum, FALSE);
+    if (*s == NUL)		/* empty line */
+	return 1;
+    col = win_linetabsize(wp, s, (colnr_T)MAXCOL);
+
+    /*
+     * If list mode is on, then the '$' at the end of the line may take up one
+     * extra column.
+     */
+    if (wp->w_p_list && lcs_eol != NUL)
+	col += 1;
+
+    /*
+     * Add column offset for 'number' and 'foldcolumn'.
+     */
+    width = W_WIDTH(wp) - win_col_off(wp);
+    if (width <= 0)
+	return 32000;
+    if (col <= width)
+	return 1;
+    col -= width;
+    width += win_col_off2(wp);
+    return (col + (width - 1)) / width + 1;
+}
+
+/*
+ * Like plines_win(), but only reports the number of physical screen lines
+ * used from the start of the line to the given column number.
+ */
+    int
+plines_win_col(wp, lnum, column)
+    win_T	*wp;
+    linenr_T	lnum;
+    long	column;
+{
+    long	col;
+    char_u	*s;
+    int		lines = 0;
+    int		width;
+
+#ifdef FEAT_DIFF
+    /* Check for filler lines above this buffer line.  When folded the result
+     * is one line anyway. */
+    lines = diff_check_fill(wp, lnum);
+#endif
+
+    if (!wp->w_p_wrap)
+	return lines + 1;
+
+#ifdef FEAT_VERTSPLIT
+    if (wp->w_width == 0)
+	return lines + 1;
+#endif
+
+    s = ml_get_buf(wp->w_buffer, lnum, FALSE);
+
+    col = 0;
+    while (*s != NUL && --column >= 0)
+    {
+	col += win_lbr_chartabsize(wp, s, (colnr_T)col, NULL);
+#ifdef FEAT_MBYTE
+	if (has_mbyte)
+	    s += (*mb_ptr2len_check)(s);
+	else
+#endif
+	    ++s;
+    }
+
+    /*
+     * If *s is a TAB, and the TAB is not displayed as ^I, and we're not in
+     * INSERT mode, then col must be adjusted so that it represents the last
+     * screen position of the TAB.  This only fixes an error when the TAB wraps
+     * from one screen line to the next (when 'columns' is not a multiple of
+     * 'ts') -- webb.
+     */
+    if (*s == TAB && (State & NORMAL) && (!wp->w_p_list || lcs_tab1))
+	col += win_lbr_chartabsize(wp, s, (colnr_T)col, NULL) - 1;
+
+    /*
+     * Add column offset for 'number', 'foldcolumn', etc.
+     */
+    width = W_WIDTH(wp) - win_col_off(wp);
+    if (width > 0)
+    {
+	lines += 1;
+	if (col >= width)
+	    lines += (col - width) / (width + win_col_off2(wp));
+	if (lines <= wp->w_height)
+	    return lines;
+    }
+    return (int)(wp->w_height);	    /* maximum length */
+}
+
+    int
+plines_m_win(wp, first, last)
+    win_T	*wp;
+    linenr_T	first, last;
+{
+    int		count = 0;
+
+    while (first <= last)
+    {
+#ifdef FEAT_FOLDING
+	int	x;
+
+	/* Check if there are any really folded lines, but also included lines
+	 * that are maybe folded. */
+	x = foldedCount(wp, first, NULL);
+	if (x > 0)
+	{
+	    ++count;	    /* count 1 for "+-- folded" line */
+	    first += x;
+	}
+	else
+#endif
+	{
+#ifdef FEAT_DIFF
+	    if (first == wp->w_topline)
+		count += plines_win_nofill(wp, first, TRUE) + wp->w_topfill;
+	    else
+#endif
+		count += plines_win(wp, first, TRUE);
+	    ++first;
+	}
+    }
+    return (count);
+}
+
+#if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) || defined(PROTO)
+/*
+ * Insert string "p" at the cursor position.  Stops at a NUL byte.
+ * Handles Replace mode and multi-byte characters.
+ */
+    void
+ins_bytes(p)
+    char_u	*p;
+{
+    ins_bytes_len(p, (int)STRLEN(p));
+}
+#endif
+
+#if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \
+	|| defined(FEAT_COMMENTS) || defined(FEAT_MBYTE) || defined(PROTO)
+/*
+ * Insert string "p" with length "len" at the cursor position.
+ * Handles Replace mode and multi-byte characters.
+ */
+    void
+ins_bytes_len(p, len)
+    char_u	*p;
+    int		len;
+{
+    int		i;
+# ifdef FEAT_MBYTE
+    int		n;
+
+    for (i = 0; i < len; i += n)
+    {
+	n = (*mb_ptr2len_check)(p + i);
+	ins_char_bytes(p + i, n);
+    }
+# else
+    for (i = 0; i < len; ++i)
+	ins_char(p[i]);
+# endif
+}
+#endif
+
+/*
+ * Insert or replace a single character at the cursor position.
+ * When in REPLACE or VREPLACE mode, replace any existing character.
+ * Caller must have prepared for undo.
+ * For multi-byte characters we get the whole character, the caller must
+ * convert bytes to a character.
+ */
+    void
+ins_char(c)
+    int		c;
+{
+#if defined(FEAT_MBYTE) || defined(PROTO)
+    char_u	buf[MB_MAXBYTES];
+    int		n;
+
+    n = (*mb_char2bytes)(c, buf);
+
+    /* When "c" is 0x100, 0x200, etc. we don't want to insert a NUL byte.
+     * Happens for CTRL-Vu9900. */
+    if (buf[0] == 0)
+	buf[0] = '\n';
+
+    ins_char_bytes(buf, n);
+}
+
+    void
+ins_char_bytes(buf, charlen)
+    char_u	*buf;
+    int		charlen;
+{
+    int		c = buf[0];
+    int		l, j;
+#endif
+    int		newlen;		/* nr of bytes inserted */
+    int		oldlen;		/* nr of bytes deleted (0 when not replacing) */
+    char_u	*p;
+    char_u	*newp;
+    char_u	*oldp;
+    int		linelen;	/* length of old line including NUL */
+    colnr_T	col;
+    linenr_T	lnum = curwin->w_cursor.lnum;
+    int		i;
+
+#ifdef FEAT_VIRTUALEDIT
+    /* Break tabs if needed. */
+    if (virtual_active() && curwin->w_cursor.coladd > 0)
+	coladvance_force(getviscol());
+#endif
+
+    col = curwin->w_cursor.col;
+    oldp = ml_get(lnum);
+    linelen = (int)STRLEN(oldp) + 1;
+
+    /* The lengths default to the values for when not replacing. */
+    oldlen = 0;
+#ifdef FEAT_MBYTE
+    newlen = charlen;
+#else
+    newlen = 1;
+#endif
+
+    if (State & REPLACE_FLAG)
+    {
+#ifdef FEAT_VREPLACE
+	if (State & VREPLACE_FLAG)
+	{
+	    colnr_T	new_vcol = 0;   /* init for GCC */
+	    colnr_T	vcol;
+	    int		old_list;
+#ifndef FEAT_MBYTE
+	    char_u	buf[2];
+#endif
+
+	    /*
+	     * Disable 'list' temporarily, unless 'cpo' contains the 'L' flag.
+	     * Returns the old value of list, so when finished,
+	     * curwin->w_p_list should be set back to this.
+	     */
+	    old_list = curwin->w_p_list;
+	    if (old_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL)
+		curwin->w_p_list = FALSE;
+
+	    /*
+	     * In virtual replace mode each character may replace one or more
+	     * characters (zero if it's a TAB).  Count the number of bytes to
+	     * be deleted to make room for the new character, counting screen
+	     * cells.  May result in adding spaces to fill a gap.
+	     */
+	    getvcol(curwin, &curwin->w_cursor, NULL, &vcol, NULL);
+#ifndef FEAT_MBYTE
+	    buf[0] = c;
+	    buf[1] = NUL;
+#endif
+	    new_vcol = vcol + chartabsize(buf, vcol);
+	    while (oldp[col + oldlen] != NUL && vcol < new_vcol)
+	    {
+		vcol += chartabsize(oldp + col + oldlen, vcol);
+		/* Don't need to remove a TAB that takes us to the right
+		 * position. */
+		if (vcol > new_vcol && oldp[col + oldlen] == TAB)
+		    break;
+#ifdef FEAT_MBYTE
+		oldlen += (*mb_ptr2len_check)(oldp + col + oldlen);
+#else
+		++oldlen;
+#endif
+		/* Deleted a bit too much, insert spaces. */
+		if (vcol > new_vcol)
+		    newlen += vcol - new_vcol;
+	    }
+	    curwin->w_p_list = old_list;
+	}
+	else
+#endif
+	    if (oldp[col] != NUL)
+	{
+	    /* normal replace */
+#ifdef FEAT_MBYTE
+	    oldlen = (*mb_ptr2len_check)(oldp + col);
+#else
+	    oldlen = 1;
+#endif
+	}
+
+
+	/* Push the replaced bytes onto the replace stack, so that they can be
+	 * put back when BS is used.  The bytes of a multi-byte character are
+	 * done the other way around, so that the first byte is popped off
+	 * first (it tells the byte length of the character). */
+	replace_push(NUL);
+	for (i = 0; i < oldlen; ++i)
+	{
+#ifdef FEAT_MBYTE
+	    l = (*mb_ptr2len_check)(oldp + col + i) - 1;
+	    for (j = l; j >= 0; --j)
+		replace_push(oldp[col + i + j]);
+	    i += l;
+#else
+	    replace_push(oldp[col + i]);
+#endif
+	}
+    }
+
+    newp = alloc_check((unsigned)(linelen + newlen - oldlen));
+    if (newp == NULL)
+	return;
+
+    /* Copy bytes before the cursor. */
+    if (col > 0)
+	mch_memmove(newp, oldp, (size_t)col);
+
+    /* Copy bytes after the changed character(s). */
+    p = newp + col;
+    mch_memmove(p + newlen, oldp + col + oldlen,
+					    (size_t)(linelen - col - oldlen));
+
+    /* Insert or overwrite the new character. */
+#ifdef FEAT_MBYTE
+    mch_memmove(p, buf, charlen);
+    i = charlen;
+#else
+    *p = c;
+    i = 1;
+#endif
+
+    /* Fill with spaces when necessary. */
+    while (i < newlen)
+	p[i++] = ' ';
+
+    /* Replace the line in the buffer. */
+    ml_replace(lnum, newp, FALSE);
+
+    /* mark the buffer as changed and prepare for displaying */
+    changed_bytes(lnum, col);
+
+    /*
+     * If we're in Insert or Replace mode and 'showmatch' is set, then briefly
+     * show the match for right parens and braces.
+     */
+    if (p_sm && (State & INSERT)
+	    && msg_silent == 0
+#ifdef FEAT_MBYTE
+	    && charlen == 1
+#endif
+       )
+	showmatch(c);
+
+#ifdef FEAT_RIGHTLEFT
+    if (!p_ri || (State & REPLACE_FLAG))
+#endif
+    {
+	/* Normal insert: move cursor right */
+#ifdef FEAT_MBYTE
+	curwin->w_cursor.col += charlen;
+#else
+	++curwin->w_cursor.col;
+#endif
+    }
+    /*
+     * TODO: should try to update w_row here, to avoid recomputing it later.
+     */
+}
+
+/*
+ * Insert a string at the cursor position.
+ * Note: Does NOT handle Replace mode.
+ * Caller must have prepared for undo.
+ */
+    void
+ins_str(s)
+    char_u	*s;
+{
+    char_u	*oldp, *newp;
+    int		newlen = (int)STRLEN(s);
+    int		oldlen;
+    colnr_T	col;
+    linenr_T	lnum = curwin->w_cursor.lnum;
+
+#ifdef FEAT_VIRTUALEDIT
+    if (virtual_active() && curwin->w_cursor.coladd > 0)
+	coladvance_force(getviscol());
+#endif
+
+    col = curwin->w_cursor.col;
+    oldp = ml_get(lnum);
+    oldlen = (int)STRLEN(oldp);
+
+    newp = alloc_check((unsigned)(oldlen + newlen + 1));
+    if (newp == NULL)
+	return;
+    if (col > 0)
+	mch_memmove(newp, oldp, (size_t)col);
+    mch_memmove(newp + col, s, (size_t)newlen);
+    mch_memmove(newp + col + newlen, oldp + col, (size_t)(oldlen - col + 1));
+    ml_replace(lnum, newp, FALSE);
+    changed_bytes(lnum, col);
+    curwin->w_cursor.col += newlen;
+}
+
+/*
+ * Delete one character under the cursor.
+ * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
+ * Caller must have prepared for undo.
+ *
+ * return FAIL for failure, OK otherwise
+ */
+    int
+del_char(fixpos)
+    int		fixpos;
+{
+#ifdef FEAT_MBYTE
+    if (has_mbyte)
+    {
+	/* Make sure the cursor is at the start of a character. */
+	mb_adjust_cursor();
+	if (*ml_get_cursor() == NUL)
+	    return FAIL;
+	return del_chars(1L, fixpos);
+    }
+#endif
+    return del_bytes(1L, fixpos);
+}
+
+#if defined(FEAT_MBYTE) || defined(PROTO)
+/*
+ * Like del_bytes(), but delete characters instead of bytes.
+ */
+    int
+del_chars(count, fixpos)
+    long	count;
+    int		fixpos;
+{
+    long	bytes = 0;
+    long	i;
+    char_u	*p;
+    int		l;
+
+    p = ml_get_cursor();
+    for (i = 0; i < count && *p != NUL; ++i)
+    {
+	l = (*mb_ptr2len_check)(p);
+	bytes += l;
+	p += l;
+    }
+    return del_bytes(bytes, fixpos);
+}
+#endif
+
+/*
+ * Delete "count" bytes under the cursor.
+ * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
+ * Caller must have prepared for undo.
+ *
+ * return FAIL for failure, OK otherwise
+ */
+    int
+del_bytes(count, fixpos)
+    long	count;
+    int		fixpos;
+{
+    char_u	*oldp, *newp;
+    colnr_T	oldlen;
+    linenr_T	lnum = curwin->w_cursor.lnum;
+    colnr_T	col = curwin->w_cursor.col;
+    int		was_alloced;
+    long	movelen;
+
+    oldp = ml_get(lnum);
+    oldlen = (int)STRLEN(oldp);
+
+    /*
+     * Can't do anything when the cursor is on the NUL after the line.
+     */
+    if (col >= oldlen)
+	return FAIL;
+
+#ifdef FEAT_MBYTE
+    /* If 'delcombine' is set and deleting (less than) one character, only
+     * delete the last combining character. */
+    if (p_deco && enc_utf8 && (*mb_ptr2len_check)(oldp + col) <= count)
+    {
+	int	c1, c2;
+	int	n;
+
+	(void)utfc_ptr2char(oldp + col, &c1, &c2);
+	if (c1 != NUL)
+	{
+	    /* Find the last composing char, there can be several. */
+	    n = col;
+	    do
+	    {
+		col = n;
+		count = utf_ptr2len_check(oldp + n);
+		n += count;
+	    } while (UTF_COMPOSINGLIKE(oldp + col, oldp + n));
+	    fixpos = 0;
+	}
+    }
+#endif
+
+    /*
+     * When count is too big, reduce it.
+     */
+    movelen = (long)oldlen - (long)col - count + 1; /* includes trailing NUL */
+    if (movelen <= 1)
+    {
+	/*
+	 * If we just took off the last character of a non-blank line, and
+	 * fixpos is TRUE, we don't want to end up positioned at the NUL.
+	 */
+	if (col > 0 && fixpos)
+	{
+	    --curwin->w_cursor.col;
+#ifdef FEAT_VIRTUALEDIT
+	    curwin->w_cursor.coladd = 0;
+#endif
+#ifdef FEAT_MBYTE
+	    if (has_mbyte)
+		curwin->w_cursor.col -=
+			    (*mb_head_off)(oldp, oldp + curwin->w_cursor.col);
+#endif
+	}
+	count = oldlen - col;
+	movelen = 1;
+    }
+
+    /*
+     * If the old line has been allocated the deletion can be done in the
+     * existing line. Otherwise a new line has to be allocated
+     */
+    was_alloced = ml_line_alloced();	    /* check if oldp was allocated */
+#ifdef FEAT_NETBEANS_INTG
+    if (was_alloced && usingNetbeans)
+	netbeans_removed(curbuf, lnum, col, count);
+    /* else is handled by ml_replace() */
+#endif
+    if (was_alloced)
+	newp = oldp;			    /* use same allocated memory */
+    else
+    {					    /* need to allocate a new line */
+	newp = alloc((unsigned)(oldlen + 1 - count));
+	if (newp == NULL)
+	    return FAIL;
+	mch_memmove(newp, oldp, (size_t)col);
+    }
+    mch_memmove(newp + col, oldp + col + count, (size_t)movelen);
+    if (!was_alloced)
+	ml_replace(lnum, newp, FALSE);
+
+    /* mark the buffer as changed and prepare for displaying */
+    changed_bytes(lnum, curwin->w_cursor.col);
+
+    return OK;
+}
+
+/*
+ * Delete from cursor to end of line.
+ * Caller must have prepared for undo.
+ *
+ * return FAIL for failure, OK otherwise
+ */
+    int
+truncate_line(fixpos)
+    int		fixpos;	    /* if TRUE fix the cursor position when done */
+{
+    char_u	*newp;
+    linenr_T	lnum = curwin->w_cursor.lnum;
+    colnr_T	col = curwin->w_cursor.col;
+
+    if (col == 0)
+	newp = vim_strsave((char_u *)"");
+    else
+	newp = vim_strnsave(ml_get(lnum), col);
+
+    if (newp == NULL)
+	return FAIL;
+
+    ml_replace(lnum, newp, FALSE);
+
+    /* mark the buffer as changed and prepare for displaying */
+    changed_bytes(lnum, curwin->w_cursor.col);
+
+    /*
+     * If "fixpos" is TRUE we don't want to end up positioned at the NUL.
+     */
+    if (fixpos && curwin->w_cursor.col > 0)
+	--curwin->w_cursor.col;
+
+    return OK;
+}
+
+/*
+ * Delete "nlines" lines at the cursor.
+ * Saves the lines for undo first if "undo" is TRUE.
+ */
+    void
+del_lines(nlines, undo)
+    long	nlines;		/* number of lines to delete */
+    int		undo;		/* if TRUE, prepare for undo */
+{
+    long	n;
+
+    if (nlines <= 0)
+	return;
+
+    /* save the deleted lines for undo */
+    if (undo && u_savedel(curwin->w_cursor.lnum, nlines) == FAIL)
+	return;
+
+    for (n = 0; n < nlines; )
+    {
+	if (curbuf->b_ml.ml_flags & ML_EMPTY)	    /* nothing to delete */
+	    break;
+
+	ml_delete(curwin->w_cursor.lnum, TRUE);
+	++n;
+
+	/* If we delete the last line in the file, stop */
+	if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
+	    break;
+    }
+    /* adjust marks, mark the buffer as changed and prepare for displaying */
+    deleted_lines_mark(curwin->w_cursor.lnum, n);
+
+    curwin->w_cursor.col = 0;
+    check_cursor_lnum();
+}
+
+    int
+gchar_pos(pos)
+    pos_T *pos;
+{
+    char_u	*ptr = ml_get_pos(pos);
+
+#ifdef FEAT_MBYTE
+    if (has_mbyte)
+	return (*mb_ptr2char)(ptr);
+#endif
+    return (int)*ptr;
+}
+
+    int
+gchar_cursor()
+{
+#ifdef FEAT_MBYTE
+    if (has_mbyte)
+	return (*mb_ptr2char)(ml_get_cursor());
+#endif
+    return (int)*ml_get_cursor();
+}
+
+/*
+ * Write a character at the current cursor position.
+ * It is directly written into the block.
+ */
+    void
+pchar_cursor(c)
+    int c;
+{
+    *(ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE)
+						  + curwin->w_cursor.col) = c;
+}
+
+#if 0 /* not used */
+/*
+ * Put *pos at end of current buffer
+ */
+    void
+goto_endofbuf(pos)
+    pos_T    *pos;
+{
+    char_u  *p;
+
+    pos->lnum = curbuf->b_ml.ml_line_count;
+    pos->col = 0;
+    p = ml_get(pos->lnum);
+    while (*p++)
+	++pos->col;
+}
+#endif
+
+/*
+ * When extra == 0: Return TRUE if the cursor is before or on the first
+ *		    non-blank in the line.
+ * When extra == 1: Return TRUE if the cursor is before the first non-blank in
+ *		    the line.
+ */
+    int
+inindent(extra)
+    int	    extra;
+{
+    char_u	*ptr;
+    colnr_T	col;
+
+    for (col = 0, ptr = ml_get_curline(); vim_iswhite(*ptr); ++col)
+	++ptr;
+    if (col >= curwin->w_cursor.col + extra)
+	return TRUE;
+    else
+	return FALSE;
+}
+
+/*
+ * Skip to next part of an option argument: Skip space and comma.
+ */
+    char_u *
+skip_to_option_part(p)
+    char_u  *p;
+{
+    if (*p == ',')
+	++p;
+    while (*p == ' ')
+	++p;
+    return p;
+}
+
+/*
+ * changed() is called when something in the current buffer is changed.
+ *
+ * Most often called through changed_bytes() and changed_lines(), which also
+ * mark the area of the display to be redrawn.
+ */
+    void
+changed()
+{
+#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
+    /* The text of the preediting area is inserted, but this doesn't
+     * mean a change of the buffer yet.  That is delayed until the
+     * text is committed. (this means preedit becomes empty) */
+    if (im_is_preediting() && !xim_changed_while_preediting)
+	return;
+    xim_changed_while_preediting = FALSE;
+#endif
+
+    if (!curbuf->b_changed)
+    {
+	int	save_msg_scroll = msg_scroll;
+
+	change_warning(0);
+	/* Create a swap file if that is wanted.
+	 * Don't do this for "nofile" and "nowrite" buffer types. */
+	if (curbuf->b_may_swap
+#ifdef FEAT_QUICKFIX
+		&& !bt_dontwrite(curbuf)
+#endif
+		)
+	{
+	    ml_open_file(curbuf);
+
+	    /* The ml_open_file() can cause an ATTENTION message.
+	     * Wait two seconds, to make sure the user reads this unexpected
+	     * message.  Since we could be anywhere, call wait_return() now,
+	     * and don't let the emsg() set msg_scroll. */
+	    if (need_wait_return && emsg_silent == 0)
+	    {
+		out_flush();
+		ui_delay(2000L, TRUE);
+		wait_return(TRUE);
+		msg_scroll = save_msg_scroll;
+	    }
+	}
+	curbuf->b_changed = TRUE;
+	ml_setdirty(curbuf, TRUE);
+#ifdef FEAT_WINDOWS
+	check_status(curbuf);
+#endif
+#ifdef FEAT_TITLE
+	need_maketitle = TRUE;	    /* set window title later */
+#endif
+    }
+    ++curbuf->b_changedtick;
+    ++global_changedtick;
+}
+
+static void changedOneline __ARGS((linenr_T lnum));
+static void changed_common __ARGS((linenr_T lnum, colnr_T col, linenr_T lnume, long xtra));
+
+/*
+ * Changed bytes within a single line for the current buffer.
+ * - marks the windows on this buffer to be redisplayed
+ * - marks the buffer changed by calling changed()
+ * - invalidates cached values
+ */
+    void
+changed_bytes(lnum, col)
+    linenr_T	lnum;
+    colnr_T	col;
+{
+    changedOneline(lnum);
+    changed_common(lnum, col, lnum + 1, 0L);
+}
+
+    static void
+changedOneline(lnum)
+    linenr_T	lnum;
+{
+    if (curbuf->b_mod_set)
+    {
+	/* find the maximum area that must be redisplayed */
+	if (lnum < curbuf->b_mod_top)
+	    curbuf->b_mod_top = lnum;
+	else if (lnum >= curbuf->b_mod_bot)
+	    curbuf->b_mod_bot = lnum + 1;
+    }
+    else
+    {
+	/* set the area that must be redisplayed to one line */
+	curbuf->b_mod_set = TRUE;
+	curbuf->b_mod_top = lnum;
+	curbuf->b_mod_bot = lnum + 1;
+	curbuf->b_mod_xlines = 0;
+    }
+}
+
+/*
+ * Appended "count" lines below line "lnum" in the current buffer.
+ * Must be called AFTER the change and after mark_adjust().
+ * Takes care of marking the buffer to be redrawn and sets the changed flag.
+ */
+    void
+appended_lines(lnum, count)
+    linenr_T	lnum;
+    long	count;
+{
+    changed_lines(lnum + 1, 0, lnum + 1, count);
+}
+
+/*
+ * Like appended_lines(), but adjust marks first.
+ */
+    void
+appended_lines_mark(lnum, count)
+    linenr_T	lnum;
+    long	count;
+{
+    mark_adjust(lnum + 1, (linenr_T)MAXLNUM, count, 0L);
+    changed_lines(lnum + 1, 0, lnum + 1, count);
+}
+
+/*
+ * Deleted "count" lines at line "lnum" in the current buffer.
+ * Must be called AFTER the change and after mark_adjust().
+ * Takes care of marking the buffer to be redrawn and sets the changed flag.
+ */
+    void
+deleted_lines(lnum, count)
+    linenr_T	lnum;
+    long	count;
+{
+    changed_lines(lnum, 0, lnum + count, -count);
+}
+
+/*
+ * Like deleted_lines(), but adjust marks first.
+ */
+    void
+deleted_lines_mark(lnum, count)
+    linenr_T	lnum;
+    long	count;
+{
+    mark_adjust(lnum, (linenr_T)(lnum + count - 1), (long)MAXLNUM, -count);
+    changed_lines(lnum, 0, lnum + count, -count);
+}
+
+/*
+ * Changed lines for the current buffer.
+ * Must be called AFTER the change and after mark_adjust().
+ * - mark the buffer changed by calling changed()
+ * - mark the windows on this buffer to be redisplayed
+ * - invalidate cached values
+ * "lnum" is the first line that needs displaying, "lnume" the first line
+ * below the changed lines (BEFORE the change).
+ * When only inserting lines, "lnum" and "lnume" are equal.
+ * Takes care of calling changed() and updating b_mod_*.
+ */
+    void
+changed_lines(lnum, col, lnume, xtra)
+    linenr_T	lnum;	    /* first line with change */
+    colnr_T	col;	    /* column in first line with change */
+    linenr_T	lnume;	    /* line below last changed line */
+    long	xtra;	    /* number of extra lines (negative when deleting) */
+{
+    if (curbuf->b_mod_set)
+    {
+	/* find the maximum area that must be redisplayed */
+	if (lnum < curbuf->b_mod_top)
+	    curbuf->b_mod_top = lnum;
+	if (lnum < curbuf->b_mod_bot)
+	{
+	    /* adjust old bot position for xtra lines */
+	    curbuf->b_mod_bot += xtra;
+	    if (curbuf->b_mod_bot < lnum)
+		curbuf->b_mod_bot = lnum;
+	}
+	if (lnume + xtra > curbuf->b_mod_bot)
+	    curbuf->b_mod_bot = lnume + xtra;
+	curbuf->b_mod_xlines += xtra;
+    }
+    else
+    {
+	/* set the area that must be redisplayed */
+	curbuf->b_mod_set = TRUE;
+	curbuf->b_mod_top = lnum;
+	curbuf->b_mod_bot = lnume + xtra;
+	curbuf->b_mod_xlines = xtra;
+    }
+
+    changed_common(lnum, col, lnume, xtra);
+}
+
+    static void
+changed_common(lnum, col, lnume, xtra)
+    linenr_T	lnum;
+    colnr_T	col;
+    linenr_T	lnume;
+    long	xtra;
+{
+    win_T	*wp;
+    int		i;
+#ifdef FEAT_JUMPLIST
+    int		cols;
+    pos_T	*p;
+    int		add;
+#endif
+
+    /* mark the buffer as modified */
+    changed();
+
+    /* set the '. mark */
+    if (!cmdmod.keepjumps)
+    {
+	curbuf->b_last_change.lnum = lnum;
+	curbuf->b_last_change.col = col;
+
+#ifdef FEAT_JUMPLIST
+	/* Create a new entry if a new undo-able change was started or we
+	 * don't have an entry yet. */
+	if (curbuf->b_new_change || curbuf->b_changelistlen == 0)
+	{
+	    if (curbuf->b_changelistlen == 0)
+		add = TRUE;
+	    else
+	    {
+		/* Don't create a new entry when the line number is the same
+		 * as the last one and the column is not too far away.  Avoids
+		 * creating many entries for typing "xxxxx". */
+		p = &curbuf->b_changelist[curbuf->b_changelistlen - 1];
+		if (p->lnum != lnum)
+		    add = TRUE;
+		else
+		{
+		    cols = comp_textwidth(FALSE);
+		    if (cols == 0)
+			cols = 79;
+		    add = (p->col + cols < col || col + cols < p->col);
+		}
+	    }
+	    if (add)
+	    {
+		/* This is the first of a new sequence of undo-able changes
+		 * and it's at some distance of the last change.  Use a new
+		 * position in the changelist. */
+		curbuf->b_new_change = FALSE;
+
+		if (curbuf->b_changelistlen == JUMPLISTSIZE)
+		{
+		    /* changelist is full: remove oldest entry */
+		    curbuf->b_changelistlen = JUMPLISTSIZE - 1;
+		    mch_memmove(curbuf->b_changelist, curbuf->b_changelist + 1,
+					  sizeof(pos_T) * (JUMPLISTSIZE - 1));
+		    FOR_ALL_WINDOWS(wp)
+		    {
+			/* Correct position in changelist for other windows on
+			 * this buffer. */
+			if (wp->w_buffer == curbuf && wp->w_changelistidx > 0)
+			    --wp->w_changelistidx;
+		    }
+		}
+		FOR_ALL_WINDOWS(wp)
+		{
+		    /* For other windows, if the position in the changelist is
+		     * at the end it stays at the end. */
+		    if (wp->w_buffer == curbuf
+			    && wp->w_changelistidx == curbuf->b_changelistlen)
+			++wp->w_changelistidx;
+		}
+		++curbuf->b_changelistlen;
+	    }
+	}
+	curbuf->b_changelist[curbuf->b_changelistlen - 1] =
+							curbuf->b_last_change;
+	/* The current window is always after the last change, so that "g,"
+	 * takes you back to it. */
+	curwin->w_changelistidx = curbuf->b_changelistlen;
+#endif
+    }
+
+    FOR_ALL_WINDOWS(wp)
+    {
+	if (wp->w_buffer == curbuf)
+	{
+	    /* Mark this window to be redrawn later. */
+	    if (wp->w_redr_type < VALID)
+		wp->w_redr_type = VALID;
+
+	    /* Check if a change in the buffer has invalidated the cached
+	     * values for the cursor. */
+#ifdef FEAT_FOLDING
+	    /*
+	     * Update the folds for this window.  Can't postpone this, because
+	     * a following operator might work on the whole fold: ">>dd".
+	     */
+	    foldUpdate(wp, lnum, lnume + xtra - 1);
+
+	    /* The change may cause lines above or below the change to become
+	     * included in a fold.  Set lnum/lnume to the first/last line that
+	     * might be displayed differently.
+	     * Set w_cline_folded here as an efficient way to update it when
+	     * inserting lines just above a closed fold. */
+	    i = hasFoldingWin(wp, lnum, &lnum, NULL, FALSE, NULL);
+	    if (wp->w_cursor.lnum == lnum)
+		wp->w_cline_folded = i;
+	    i = hasFoldingWin(wp, lnume, NULL, &lnume, FALSE, NULL);
+	    if (wp->w_cursor.lnum == lnume)
+		wp->w_cline_folded = i;
+
+	    /* If the changed line is in a range of previously folded lines,
+	     * compare with the first line in that range. */
+	    if (wp->w_cursor.lnum <= lnum)
+	    {
+		i = find_wl_entry(wp, lnum);
+		if (i >= 0 && wp->w_cursor.lnum > wp->w_lines[i].wl_lnum)
+		    changed_line_abv_curs_win(wp);
+	    }
+#endif
+
+	    if (wp->w_cursor.lnum > lnum)
+		changed_line_abv_curs_win(wp);
+	    else if (wp->w_cursor.lnum == lnum && wp->w_cursor.col >= col)
+		changed_cline_bef_curs_win(wp);
+	    if (wp->w_botline >= lnum)
+	    {
+		/* Assume that botline doesn't change (inserted lines make
+		 * other lines scroll down below botline). */
+		approximate_botline_win(wp);
+	    }
+
+	    /* Check if any w_lines[] entries have become invalid.
+	     * For entries below the change: Correct the lnums for
+	     * inserted/deleted lines.  Makes it possible to stop displaying
+	     * after the change. */
+	    for (i = 0; i < wp->w_lines_valid; ++i)
+		if (wp->w_lines[i].wl_valid)
+		{
+		    if (wp->w_lines[i].wl_lnum >= lnum)
+		    {
+			if (wp->w_lines[i].wl_lnum < lnume)
+			{
+			    /* line included in change */
+			    wp->w_lines[i].wl_valid = FALSE;
+			}
+			else if (xtra != 0)
+			{
+			    /* line below change */
+			    wp->w_lines[i].wl_lnum += xtra;
+#ifdef FEAT_FOLDING
+			    wp->w_lines[i].wl_lastlnum += xtra;
+#endif
+			}
+		    }
+#ifdef FEAT_FOLDING
+		    else if (wp->w_lines[i].wl_lastlnum >= lnum)
+		    {
+			/* change somewhere inside this range of folded lines,
+			 * may need to be redrawn */
+			wp->w_lines[i].wl_valid = FALSE;
+		    }
+#endif
+		}
+	}
+    }
+
+    /* Call update_screen() later, which checks out what needs to be redrawn,
+     * since it notices b_mod_set and then uses b_mod_*. */
+    if (must_redraw < VALID)
+	must_redraw = VALID;
+}
+
+/*
+ * unchanged() is called when the changed flag must be reset for buffer 'buf'
+ */
+    void
+unchanged(buf, ff)
+    buf_T	*buf;
+    int		ff;	/* also reset 'fileformat' */
+{
+    if (buf->b_changed || (ff && file_ff_differs(buf)))
+    {
+	buf->b_changed = 0;
+	ml_setdirty(buf, FALSE);
+	if (ff)
+	    save_file_ff(buf);
+#ifdef FEAT_WINDOWS
+	check_status(buf);
+#endif
+#ifdef FEAT_TITLE
+	need_maketitle = TRUE;	    /* set window title later */
+#endif
+    }
+    ++buf->b_changedtick;
+    ++global_changedtick;
+#ifdef FEAT_NETBEANS_INTG
+    netbeans_unmodified(buf);
+#endif
+}
+
+#if defined(FEAT_WINDOWS) || defined(PROTO)
+/*
+ * check_status: called when the status bars for the buffer 'buf'
+ *		 need to be updated
+ */
+    void
+check_status(buf)
+    buf_T	*buf;
+{
+    win_T	*wp;
+
+    for (wp = firstwin; wp != NULL; wp = wp->w_next)
+	if (wp->w_buffer == buf && wp->w_status_height)
+	{
+	    wp->w_redr_status = TRUE;
+	    if (must_redraw < VALID)
+		must_redraw = VALID;
+	}
+}
+#endif
+
+/*
+ * If the file is readonly, give a warning message with the first change.
+ * Don't do this for autocommands.
+ * Don't use emsg(), because it flushes the macro buffer.
+ * If we have undone all changes b_changed will be FALSE, but b_did_warn
+ * will be TRUE.
+ */
+    void
+change_warning(col)
+    int	    col;		/* column for message; non-zero when in insert
+				   mode and 'showmode' is on */
+{
+    if (curbuf->b_did_warn == FALSE
+	    && curbufIsChanged() == 0
+#ifdef FEAT_AUTOCMD
+	    && !autocmd_busy
+#endif
+	    && curbuf->b_p_ro)
+    {
+#ifdef FEAT_AUTOCMD
+	apply_autocmds(EVENT_FILECHANGEDRO, NULL, NULL, FALSE, curbuf);
+	if (!curbuf->b_p_ro)
+	    return;
+#endif
+	/*
+	 * Do what msg() does, but with a column offset if the warning should
+	 * be after the mode message.
+	 */
+	msg_start();
+	if (msg_row == Rows - 1)
+	    msg_col = col;
+	MSG_PUTS_ATTR(_("W10: Warning: Changing a readonly file"),
+						   hl_attr(HLF_W) | MSG_HIST);
+	msg_clr_eos();
+	(void)msg_end();
+	if (msg_silent == 0 && !silent_mode)
+	{
+	    out_flush();
+	    ui_delay(1000L, TRUE); /* give the user time to think about it */
+	}
+	curbuf->b_did_warn = TRUE;
+	redraw_cmdline = FALSE;	/* don't redraw and erase the message */
+	if (msg_row < Rows - 1)
+	    showmode();
+    }
+}
+
+/*
+ * Ask for a reply from the user, a 'y' or a 'n'.
+ * No other characters are accepted, the message is repeated until a valid
+ * reply is entered or CTRL-C is hit.
+ * If direct is TRUE, don't use vgetc() but ui_inchar(), don't get characters
+ * from any buffers but directly from the user.
+ *
+ * return the 'y' or 'n'
+ */
+    int
+ask_yesno(str, direct)
+    char_u  *str;
+    int	    direct;
+{
+    int	    r = ' ';
+    int	    save_State = State;
+
+    if (exiting)		/* put terminal in raw mode for this question */
+	settmode(TMODE_RAW);
+    ++no_wait_return;
+#ifdef USE_ON_FLY_SCROLL
+    dont_scroll = TRUE;		/* disallow scrolling here */
+#endif
+    State = CONFIRM;		/* mouse behaves like with :confirm */
+#ifdef FEAT_MOUSE
+    setmouse();			/* disables mouse for xterm */
+#endif
+    ++no_mapping;
+    ++allow_keys;		/* no mapping here, but recognize keys */
+
+    while (r != 'y' && r != 'n')
+    {
+	/* same highlighting as for wait_return */
+	smsg_attr(hl_attr(HLF_R), (char_u *)"%s (y/n)?", str);
+	if (direct)
+	    r = get_keystroke();
+	else
+	    r = safe_vgetc();
+	if (r == Ctrl_C || r == ESC)
+	    r = 'n';
+	msg_putchar(r);	    /* show what you typed */
+	out_flush();
+    }
+    --no_wait_return;
+    State = save_State;
+#ifdef FEAT_MOUSE
+    setmouse();
+#endif
+    --no_mapping;
+    --allow_keys;
+
+    return r;
+}
+
+/*
+ * Get a key stroke directly from the user.
+ * Ignores mouse clicks and scrollbar events, except a click for the left
+ * button (used at the more prompt).
+ * Doesn't use vgetc(), because it syncs undo and eats mapped characters.
+ * Disadvantage: typeahead is ignored.
+ * Translates the interrupt character for unix to ESC.
+ */
+    int
+get_keystroke()
+{
+#define CBUFLEN 151
+    char_u	buf[CBUFLEN];
+    int		len = 0;
+    int		n;
+    int		save_mapped_ctrl_c = mapped_ctrl_c;
+
+    mapped_ctrl_c = FALSE;	/* mappings are not used here */
+    for (;;)
+    {
+	cursor_on();
+	out_flush();
+
+	/* First time: blocking wait.  Second time: wait up to 100ms for a
+	 * terminal code to complete.  Leave some room for check_termcode() to
+	 * insert a key code into (max 5 chars plus NUL).  And
+	 * fix_input_buffer() can triple the number of bytes. */
+	n = ui_inchar(buf + len, (CBUFLEN - 6 - len) / 3,
+						    len == 0 ? -1L : 100L, 0);
+	if (n > 0)
+	{
+	    /* Replace zero and CSI by a special key code. */
+	    n = fix_input_buffer(buf + len, n, FALSE);
+	    len += n;
+	}
+
+	/* incomplete termcode: get more characters */
+	if ((n = check_termcode(1, buf, len)) < 0)
+	    continue;
+	/* found a termcode: adjust length */
+	if (n > 0)
+	    len = n;
+	if (len == 0)	    /* nothing typed yet */
+	    continue;
+
+	/* Handle modifier and/or special key code. */
+	n = buf[0];
+	if (n == K_SPECIAL)
+	{
+	    n = TO_SPECIAL(buf[1], buf[2]);
+	    if (buf[1] == KS_MODIFIER
+		    || n == K_IGNORE
+#ifdef FEAT_MOUSE
+		    || n == K_LEFTMOUSE_NM
+		    || n == K_LEFTDRAG
+		    || n == K_LEFTRELEASE
+		    || n == K_LEFTRELEASE_NM
+		    || n == K_MIDDLEMOUSE
+		    || n == K_MIDDLEDRAG
+		    || n == K_MIDDLERELEASE
+		    || n == K_RIGHTMOUSE
+		    || n == K_RIGHTDRAG
+		    || n == K_RIGHTRELEASE
+		    || n == K_MOUSEDOWN
+		    || n == K_MOUSEUP
+		    || n == K_X1MOUSE
+		    || n == K_X1DRAG
+		    || n == K_X1RELEASE
+		    || n == K_X2MOUSE
+		    || n == K_X2DRAG
+		    || n == K_X2RELEASE
+# ifdef FEAT_GUI
+		    || n == K_VER_SCROLLBAR
+		    || n == K_HOR_SCROLLBAR
+# endif
+#endif
+	       )
+	    {
+		if (buf[1] == KS_MODIFIER)
+		    mod_mask = buf[2];
+		len -= 3;
+		if (len > 0)
+		    mch_memmove(buf, buf + 3, (size_t)len);
+		continue;
+	    }
+	}
+#ifdef FEAT_MBYTE
+	if (has_mbyte)
+	{
+	    if (MB_BYTE2LEN(n) > len)
+		continue;	/* more bytes to get */
+	    buf[len >= CBUFLEN ? CBUFLEN - 1 : len] = NUL;
+	    n = (*mb_ptr2char)(buf);
+	}
+#endif
+#ifdef UNIX
+	if (n == intr_char)
+	    n = ESC;
+#endif
+	break;
+    }
+
+    mapped_ctrl_c = save_mapped_ctrl_c;
+    return n;
+}
+
+/*
+ * get a number from the user
+ */
+    int
+get_number(colon)
+    int	colon;			/* allow colon to abort */
+{
+    int	n = 0;
+    int	c;
+
+    /* When not printing messages, the user won't know what to type, return a
+     * zero (as if CR was hit). */
+    if (msg_silent != 0)
+	return 0;
+
+#ifdef USE_ON_FLY_SCROLL
+    dont_scroll = TRUE;		/* disallow scrolling here */
+#endif
+    ++no_mapping;
+    ++allow_keys;		/* no mapping here, but recognize keys */
+    for (;;)
+    {
+	windgoto(msg_row, msg_col);
+	c = safe_vgetc();
+	if (VIM_ISDIGIT(c))
+	{
+	    n = n * 10 + c - '0';
+	    msg_putchar(c);
+	}
+	else if (c == K_DEL || c == K_KDEL || c == K_BS || c == Ctrl_H)
+	{
+	    n /= 10;
+	    MSG_PUTS("\b \b");
+	}
+	else if (n == 0 && c == ':' && colon)
+	{
+	    stuffcharReadbuff(':');
+	    if (!exmode_active)
+		cmdline_row = msg_row;
+	    skip_redraw = TRUE;	    /* skip redraw once */
+	    do_redraw = FALSE;
+	    break;
+	}
+	else if (c == CAR || c == NL || c == Ctrl_C || c == ESC)
+	    break;
+    }
+    --no_mapping;
+    --allow_keys;
+    return n;
+}
+
+    void
+msgmore(n)
+    long n;
+{
+    long pn;
+
+    if (global_busy	    /* no messages now, wait until global is finished */
+	    || keep_msg != NULL /* there is a message already, skip this one */
+	    || !messaging())  /* 'lazyredraw' set, don't do messages now */
+	return;
+
+    if (n > 0)
+	pn = n;
+    else
+	pn = -n;
+
+    if (pn > p_report)
+    {
+	if (pn == 1)
+	{
+	    if (n > 0)
+		STRCPY(msg_buf, _("1 more line"));
+	    else
+		STRCPY(msg_buf, _("1 line less"));
+	}
+	else
+	{
+	    if (n > 0)
+		sprintf((char *)msg_buf, _("%ld more lines"), pn);
+	    else
+		sprintf((char *)msg_buf, _("%ld fewer lines"), pn);
+	}
+	if (got_int)
+	    STRCAT(msg_buf, _(" (Interrupted)"));
+	if (msg(msg_buf))
+	{
+	    set_keep_msg(msg_buf);
+	    keep_msg_attr = 0;
+	}
+    }
+}
+
+/*
+ * flush map and typeahead buffers and give a warning for an error
+ */
+    void
+beep_flush()
+{
+    if (emsg_silent == 0)
+    {
+	flush_buffers(FALSE);
+	vim_beep();
+    }
+}
+
+/*
+ * give a warning for an error
+ */
+    void
+vim_beep()
+{
+    if (emsg_silent == 0)
+    {
+	if (p_vb
+#ifdef FEAT_GUI
+		/* While the GUI is starting up the termcap is set for the GUI
+		 * but the output still goes to a terminal. */
+		&& !(gui.in_use && gui.starting)
+#endif
+		)
+	{
+	    out_str(T_VB);
+	}
+	else
+	{
+#ifdef MSDOS
+	    /*
+	     * The number of beeps outputted is reduced to avoid having to wait
+	     * for all the beeps to finish. This is only a problem on systems
+	     * where the beeps don't overlap.
+	     */
+	    if (beep_count == 0 || beep_count == 10)
+	    {
+		out_char(BELL);
+		beep_count = 1;
+	    }
+	    else
+		++beep_count;
+#else
+	    out_char(BELL);
+#endif
+	}
+    }
+}
+
+/*
+ * To get the "real" home directory:
+ * - get value of $HOME
+ * For Unix:
+ *  - go to that directory
+ *  - do mch_dirname() to get the real name of that directory.
+ *  This also works with mounts and links.
+ *  Don't do this for MS-DOS, it will change the "current dir" for a drive.
+ */
+static char_u	*homedir = NULL;
+
+    void
+init_homedir()
+{
+    char_u  *var;
+
+#ifdef VMS
+    var = mch_getenv((char_u *)"SYS$LOGIN");
+#else
+    var = mch_getenv((char_u *)"HOME");
+#endif
+
+    if (var != NULL && *var == NUL)	/* empty is same as not set */
+	var = NULL;
+
+#ifdef WIN3264
+    /*
+     * Weird but true: $HOME may contain an indirect reference to another
+     * variable, esp. "%USERPROFILE%".  Happens when $USERPROFILE isn't set
+     * when $HOME is being set.
+     */
+    if (var != NULL && *var == '%')
+    {
+	char_u	*p;
+	char_u	*exp;
+
+	p = vim_strchr(var + 1, '%');
+	if (p != NULL)
+	{
+	    STRNCPY(NameBuff, var + 1, p - (var + 1));
+	    NameBuff[p - (var + 1)] = NUL;
+	    exp = mch_getenv(NameBuff);
+	    if (exp != NULL && *exp != NUL
+					&& STRLEN(exp) + STRLEN(p) < MAXPATHL)
+	    {
+		sprintf((char *)NameBuff, "%s%s", exp, p + 1);
+		var = NameBuff;
+		/* Also set $HOME, it's needed for _viminfo. */
+		vim_setenv((char_u *)"HOME", NameBuff);
+	    }
+	}
+    }
+
+    /*
+     * Typically, $HOME is not defined on Windows, unless the user has
+     * specifically defined it for Vim's sake.  However, on Windows NT
+     * platforms, $HOMEDRIVE and $HOMEPATH are automatically defined for
+     * each user.  Try constructing $HOME from these.
+     */
+    if (var == NULL)
+    {
+	char_u *homedrive, *homepath;
+
+	homedrive = mch_getenv((char_u *)"HOMEDRIVE");
+	homepath = mch_getenv((char_u *)"HOMEPATH");
+	if (homedrive != NULL && homepath != NULL
+			   && STRLEN(homedrive) + STRLEN(homepath) < MAXPATHL)
+	{
+	    sprintf((char *)NameBuff, "%s%s", homedrive, homepath);
+	    if (NameBuff[0] != NUL)
+	    {
+		var = NameBuff;
+		/* Also set $HOME, it's needed for _viminfo. */
+		vim_setenv((char_u *)"HOME", NameBuff);
+	    }
+	}
+    }
+#endif
+
+#if defined(OS2) || defined(MSDOS) || defined(MSWIN)
+    /*
+     * Default home dir is C:/
+     * Best assumption we can make in such a situation.
+     */
+    if (var == NULL)
+	var = "C:/";
+#endif
+    if (var != NULL)
+    {
+#ifdef UNIX
+	/*
+	 * Change to the directory and get the actual path.  This resolves
+	 * links.  Don't do it when we can't return.
+	 */
+	if (mch_dirname(NameBuff, MAXPATHL) == OK
+					  && mch_chdir((char *)NameBuff) == 0)
+	{
+	    if (!mch_chdir((char *)var) && mch_dirname(IObuff, IOSIZE) == OK)
+		var = IObuff;
+	    if (mch_chdir((char *)NameBuff) != 0)
+		EMSG(_(e_prev_dir));
+	}
+#endif
+	homedir = vim_strsave(var);
+    }
+}
+
+/*
+ * Expand environment variable with path name.
+ * "~/" is also expanded, using $HOME.	For Unix "~user/" is expanded.
+ * Skips over "\ ", "\~" and "\$".
+ * If anything fails no expansion is done and dst equals src.
+ */
+    void
+expand_env(src, dst, dstlen)
+    char_u	*src;		/* input string e.g. "$HOME/vim.hlp" */
+    char_u	*dst;		/* where to put the result */
+    int		dstlen;		/* maximum length of the result */
+{
+    expand_env_esc(src, dst, dstlen, FALSE);
+}
+
+    void
+expand_env_esc(src, dst, dstlen, esc)
+    char_u	*src;		/* input string e.g. "$HOME/vim.hlp" */
+    char_u	*dst;		/* where to put the result */
+    int		dstlen;		/* maximum length of the result */
+    int		esc;		/* escape spaces in expanded variables */
+{
+    char_u	*tail;
+    int		c;
+    char_u	*var;
+    int		copy_char;
+    int		mustfree;	/* var was allocated, need to free it later */
+    int		at_start = TRUE; /* at start of a name */
+
+    src = skipwhite(src);
+    --dstlen;		    /* leave one char space for "\," */
+    while (*src && dstlen > 0)
+    {
+	copy_char = TRUE;
+	if (*src == '$'
+#if defined(MSDOS) || defined(MSWIN) || defined(OS2)
+		|| *src == '%'
+#endif
+		|| (*src == '~' && at_start))
+	{
+	    mustfree = FALSE;
+
+	    /*
+	     * The variable name is copied into dst temporarily, because it may
+	     * be a string in read-only memory and a NUL needs to be appended.
+	     */
+	    if (*src != '~')				/* environment var */
+	    {
+		tail = src + 1;
+		var = dst;
+		c = dstlen - 1;
+
+#ifdef UNIX
+		/* Unix has ${var-name} type environment vars */
+		if (*tail == '{' && !vim_isIDc('{'))
+		{
+		    tail++;	/* ignore '{' */
+		    while (c-- > 0 && *tail && *tail != '}')
+			*var++ = *tail++;
+		}
+		else
+#endif
+		{
+		    while (c-- > 0 && *tail != NUL && ((vim_isIDc(*tail))
+#if defined(MSDOS) || defined(MSWIN) || defined(OS2)
+			    || (*src == '%' && *tail != '%')
+#endif
+			    ))
+		    {
+#ifdef OS2		/* env vars only in uppercase */
+			*var++ = TOUPPER_LOC(*tail);
+			tail++;	    /* toupper() may be a macro! */
+#else
+			*var++ = *tail++;
+#endif
+		    }
+		}
+
+#if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
+# ifdef UNIX
+		if (src[1] == '{' && *tail != '}')
+# else
+		if (*src == '%' && *tail != '%')
+# endif
+		    var = NULL;
+		else
+		{
+# ifdef UNIX
+		    if (src[1] == '{')
+# else
+		    if (*src == '%')
+#endif
+			++tail;
+#endif
+		    *var = NUL;
+		    var = vim_getenv(dst, &mustfree);
+#if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
+		}
+#endif
+	    }
+							/* home directory */
+	    else if (  src[1] == NUL
+		    || vim_ispathsep(src[1])
+		    || vim_strchr((char_u *)" ,\t\n", src[1]) != NULL)
+	    {
+		var = homedir;
+		tail = src + 1;
+	    }
+	    else					/* user directory */
+	    {
+#if defined(UNIX) || (defined(VMS) && defined(USER_HOME))
+		/*
+		 * Copy ~user to dst[], so we can put a NUL after it.
+		 */
+		tail = src;
+		var = dst;
+		c = dstlen - 1;
+		while (	   c-- > 0
+			&& *tail
+			&& vim_isfilec(*tail)
+			&& !vim_ispathsep(*tail))
+		    *var++ = *tail++;
+		*var = NUL;
+# ifdef UNIX
+		/*
+		 * If the system supports getpwnam(), use it.
+		 * Otherwise, or if getpwnam() fails, the shell is used to
+		 * expand ~user.  This is slower and may fail if the shell
+		 * does not support ~user (old versions of /bin/sh).
+		 */
+#  if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H)
+		{
+		    struct passwd *pw;
+
+		    pw = getpwnam((char *)dst + 1);
+		    if (pw != NULL)
+			var = (char_u *)pw->pw_dir;
+		    else
+			var = NULL;
+		}
+		if (var == NULL)
+#  endif
+		{
+		    expand_T	xpc;
+
+		    ExpandInit(&xpc);
+		    xpc.xp_context = EXPAND_FILES;
+		    var = ExpandOne(&xpc, dst, NULL,
+				WILD_ADD_SLASH|WILD_SILENT, WILD_EXPAND_FREE);
+		    ExpandCleanup(&xpc);
+		    mustfree = TRUE;
+		}
+
+# else	/* !UNIX, thus VMS */
+		/*
+		 * USER_HOME is a comma-separated list of
+		 * directories to search for the user account in.
+		 */
+		{
+		    char_u	test[MAXPATHL], paths[MAXPATHL];
+		    char_u	*path, *next_path, *ptr;
+		    struct stat	st;
+
+		    STRCPY(paths, USER_HOME);
+		    next_path = paths;
+		    while (*next_path)
+		    {
+			for (path = next_path; *next_path && *next_path != ',';
+				next_path++);
+			if (*next_path)
+			    *next_path++ = NUL;
+			STRCPY(test, path);
+			STRCAT(test, "/");
+			STRCAT(test, dst + 1);
+			if (mch_stat(test, &st) == 0)
+			{
+			    var = alloc(STRLEN(test) + 1);
+			    STRCPY(var, test);
+			    mustfree = TRUE;
+			    break;
+			}
+		    }
+		}
+# endif /* UNIX */
+#else
+		/* cannot expand user's home directory, so don't try */
+		var = NULL;
+		tail = (char_u *)"";	/* for gcc */
+#endif /* UNIX || VMS */
+	    }
+
+#ifdef BACKSLASH_IN_FILENAME
+	    /* If 'shellslash' is set change backslashes to forward slashes.
+	     * Can't use slash_adjust(), p_ssl may be set temporarily. */
+	    if (p_ssl && var != NULL && vim_strchr(var, '\\') != NULL)
+	    {
+		char_u	*p = vim_strsave(var);
+
+		if (p != NULL)
+		{
+		    if (mustfree)
+			vim_free(var);
+		    var = p;
+		    mustfree = TRUE;
+		    forward_slash(var);
+		}
+	    }
+#endif
+
+	    /* If "var" contains white space, escape it with a backslash.
+	     * Required for ":e ~/tt" when $HOME includes a space. */
+	    if (esc && var != NULL && vim_strpbrk(var, (char_u *)" \t") != NULL)
+	    {
+		char_u	*p = vim_strsave_escaped(var, (char_u *)" \t");
+
+		if (p != NULL)
+		{
+		    if (mustfree)
+			vim_free(var);
+		    var = p;
+		    mustfree = TRUE;
+		}
+	    }
+
+	    if (var != NULL && *var != NUL
+		    && (STRLEN(var) + STRLEN(tail) + 1 < (unsigned)dstlen))
+	    {
+		STRCPY(dst, var);
+		dstlen -= (int)STRLEN(var);
+		dst += STRLEN(var);
+		/* if var[] ends in a path separator and tail[] starts
+		 * with it, skip a character */
+		if (*var != NUL && vim_ispathsep(dst[-1])
+#if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA)
+			&& dst[-1] != ':'
+#endif
+			&& vim_ispathsep(*tail))
+		    ++tail;
+		src = tail;
+		copy_char = FALSE;
+	    }
+	    if (mustfree)
+		vim_free(var);
+	}
+
+	if (copy_char)	    /* copy at least one char */
+	{
+	    /*
+	     * Recogize the start of a new name, for '~'.
+	     */
+	    at_start = FALSE;
+	    if (src[0] == '\\' && src[1] != NUL)
+	    {
+		*dst++ = *src++;
+		--dstlen;
+	    }
+	    else if (src[0] == ' ' || src[0] == ',')
+		at_start = TRUE;
+	    *dst++ = *src++;
+	    --dstlen;
+	}
+    }
+    *dst = NUL;
+}
+
+/*
+ * Vim's version of getenv().
+ * Special handling of $HOME, $VIM and $VIMRUNTIME.
+ */
+    char_u *
+vim_getenv(name, mustfree)
+    char_u	*name;
+    int		*mustfree;	/* set to TRUE when returned is allocated */
+{
+    char_u	*p;
+    char_u	*pend;
+    int		vimruntime;
+
+#if defined(OS2) || defined(MSDOS) || defined(MSWIN)
+    /* use "C:/" when $HOME is not set */
+    if (STRCMP(name, "HOME") == 0)
+	return homedir;
+#endif
+
+    p = mch_getenv(name);
+    if (p != NULL && *p == NUL)	    /* empty is the same as not set */
+	p = NULL;
+
+    if (p != NULL)
+	return p;
+
+    vimruntime = (STRCMP(name, "VIMRUNTIME") == 0);
+    if (!vimruntime && STRCMP(name, "VIM") != 0)
+	return NULL;
+
+    /*
+     * When expanding $VIMRUNTIME fails, try using $VIM/vim<version> or $VIM.
+     * Don't do this when default_vimruntime_dir is non-empty.
+     */
+    if (vimruntime
+#ifdef HAVE_PATHDEF
+	    && *default_vimruntime_dir == NUL
+#endif
+       )
+    {
+	p = mch_getenv((char_u *)"VIM");
+	if (p != NULL && *p == NUL)	    /* empty is the same as not set */
+	    p = NULL;
+	if (p != NULL)
+	{
+	    p = vim_version_dir(p);
+	    if (p != NULL)
+		*mustfree = TRUE;
+	    else
+		p = mch_getenv((char_u *)"VIM");
+	}
+    }
+
+    /*
+     * When expanding $VIM or $VIMRUNTIME fails, try using:
+     * - the directory name from 'helpfile' (unless it contains '$')
+     * - the executable name from argv[0]
+     */
+    if (p == NULL)
+    {
+	if (p_hf != NULL && vim_strchr(p_hf, '$') == NULL)
+	    p = p_hf;
+#ifdef USE_EXE_NAME
+	/*
+	 * Use the name of the executable, obtained from argv[0].
+	 */
+	else
+	    p = exe_name;
+#endif
+	if (p != NULL)
+	{
+	    /* remove the file name */
+	    pend = gettail(p);
+
+	    /* remove "doc/" from 'helpfile', if present */
+	    if (p == p_hf)
+		pend = remove_tail(p, pend, (char_u *)"doc");
+
+#ifdef USE_EXE_NAME
+# ifdef MACOS_X
+	    /* remove "build/..." from exe_name, if present */
+	    if (p == exe_name)
+	    {
+		char_u	*pend1;
+		char_u  *pend2;
+
+		pend1 = remove_tail(p, pend, (char_u *)"Contents/MacOS");
+		pend2 = remove_tail_with_ext(p, pend1, (char_u *)".app");
+		pend = remove_tail(p, pend2, (char_u *)"build");
+		/* When runnig from project builder get rid of the
+		 * build/???.app, otherwise keep the ???.app */
+		if (pend2 == pend)
+		    pend = pend1;
+	    }
+# endif
+	    /* remove "src/" from exe_name, if present */
+	    if (p == exe_name)
+		pend = remove_tail(p, pend, (char_u *)"src");
+#endif
+
+	    /* for $VIM, remove "runtime/" or "vim54/", if present */
+	    if (!vimruntime)
+	    {
+		pend = remove_tail(p, pend, (char_u *)RUNTIME_DIRNAME);
+		pend = remove_tail(p, pend, (char_u *)VIM_VERSION_NODOT);
+	    }
+
+	    /* remove trailing path separator */
+#ifndef MACOS_CLASSIC
+	    /* With MacOS path (with  colons) the final colon is required */
+	    /* to avoid confusion between absoulute and relative path */
+	    if (pend > p && vim_ispathsep(*(pend - 1)))
+		--pend;
+#endif
+
+	    /* check that the result is a directory name */
+	    p = vim_strnsave(p, (int)(pend - p));
+
+	    if (p != NULL && !mch_isdir(p))
+	    {
+		vim_free(p);
+		p = NULL;
+	    }
+	    else
+	    {
+#ifdef USE_EXE_NAME
+		/* may add "/vim54" or "/runtime" if it exists */
+		if (vimruntime && (pend = vim_version_dir(p)) != NULL)
+		{
+		    vim_free(p);
+		    p = pend;
+		}
+#endif
+		*mustfree = TRUE;
+	    }
+	}
+    }
+
+#ifdef HAVE_PATHDEF
+    /* When there is a pathdef.c file we can use default_vim_dir and
+     * default_vimruntime_dir */
+    if (p == NULL)
+    {
+	/* Only use default_vimruntime_dir when it is not empty */
+	if (vimruntime && *default_vimruntime_dir != NUL)
+	{
+	    p = default_vimruntime_dir;
+	    *mustfree = FALSE;
+	}
+	else if (*default_vim_dir != NUL)
+	{
+	    if (vimruntime && (p = vim_version_dir(default_vim_dir)) != NULL)
+		*mustfree = TRUE;
+	    else
+	    {
+		p = default_vim_dir;
+		*mustfree = FALSE;
+	    }
+	}
+    }
+#endif
+
+    /*
+     * Set the environment variable, so that the new value can be found fast
+     * next time, and others can also use it (e.g. Perl).
+     */
+    if (p != NULL)
+    {
+	if (vimruntime)
+	{
+	    vim_setenv((char_u *)"VIMRUNTIME", p);
+	    didset_vimruntime = TRUE;
+#ifdef FEAT_GETTEXT
+	    {
+		char_u	*buf = alloc((unsigned int)STRLEN(p) + 6);
+
+		if (buf != NULL)
+		{
+		    STRCPY(buf, p);
+		    STRCAT(buf, "/lang");
+		    bindtextdomain(VIMPACKAGE, (char *)buf);
+		    vim_free(buf);
+		}
+	    }
+#endif
+	}
+	else
+	{
+	    vim_setenv((char_u *)"VIM", p);
+	    didset_vim = TRUE;
+	}
+    }
+    return p;
+}
+
+/*
+ * Check if the directory "vimdir/<version>" or "vimdir/runtime" exists.
+ * Return NULL if not, return its name in allocated memory otherwise.
+ */
+    static char_u *
+vim_version_dir(vimdir)
+    char_u	*vimdir;
+{
+    char_u	*p;
+
+    if (vimdir == NULL || *vimdir == NUL)
+	return NULL;
+    p = concat_fnames(vimdir, (char_u *)VIM_VERSION_NODOT, TRUE);
+    if (p != NULL && mch_isdir(p))
+	return p;
+    vim_free(p);
+    p = concat_fnames(vimdir, (char_u *)RUNTIME_DIRNAME, TRUE);
+    if (p != NULL && mch_isdir(p))
+	return p;
+    vim_free(p);
+    return NULL;
+}
+
+/*
+ * If the string between "p" and "pend" ends in "name/", return "pend" minus
+ * the length of "name/".  Otherwise return "pend".
+ */
+    static char_u *
+remove_tail(p, pend, name)
+    char_u	*p;
+    char_u	*pend;
+    char_u	*name;
+{
+    int		len = (int)STRLEN(name) + 1;
+    char_u	*newend = pend - len;
+
+    if (newend >= p
+	    && fnamencmp(newend, name, len - 1) == 0
+	    && (newend == p || vim_ispathsep(*(newend - 1))))
+	return newend;
+    return pend;
+}
+
+#if defined(USE_EXE_NAME) && defined(MACOS_X)
+/*
+ * If the string between "p" and "pend" ends in "???.ext/", return "pend"
+ * minus the length of "???.ext/".  Otherwise return "pend".
+ */
+    static char_u *
+remove_tail_with_ext(p, pend, ext)
+    char_u	*p;
+    char_u	*pend;
+    char_u	*ext;
+{
+    int		len = (int)STRLEN(ext) + 1;
+    char_u	*newend = pend - len;
+
+    if (newend >= p && fnamencmp(newend, ext, len - 1) == 0)
+	while (newend != p && !vim_ispathsep(*(newend - 1)))
+	    --newend;
+    if (newend == p || vim_ispathsep(*(newend - 1)))
+	return newend;
+    return pend;
+}
+#endif
+
+/*
+ * Call expand_env() and store the result in an allocated string.
+ * This is not very memory efficient, this expects the result to be freed
+ * again soon.
+ */
+    char_u *
+expand_env_save(src)
+    char_u	*src;
+{
+    char_u	*p;
+
+    p = alloc(MAXPATHL);
+    if (p != NULL)
+	expand_env(src, p, MAXPATHL);
+    return p;
+}
+
+/*
+ * Our portable version of setenv.
+ */
+    void
+vim_setenv(name, val)
+    char_u	*name;
+    char_u	*val;
+{
+#ifdef HAVE_SETENV
+    mch_setenv((char *)name, (char *)val, 1);
+#else
+    char_u	*envbuf;
+
+    /*
+     * Putenv does not copy the string, it has to remain
+     * valid.  The allocated memory will never be freed.
+     */
+    envbuf = alloc((unsigned)(STRLEN(name) + STRLEN(val) + 2));
+    if (envbuf != NULL)
+    {
+	sprintf((char *)envbuf, "%s=%s", name, val);
+	putenv((char *)envbuf);
+    }
+#endif
+}
+
+#if defined(FEAT_CMDL_COMPL) || defined(PROTO)
+/*
+ * Function given to ExpandGeneric() to obtain an environment variable name.
+ */
+/*ARGSUSED*/
+    char_u *
+get_env_name(xp, idx)
+    expand_T	*xp;
+    int		idx;
+{
+# if defined(AMIGA) || defined(__MRC__) || defined(__SC__)
+    /*
+     * No environ[] on the Amiga and on the Mac (using MPW).
+     */
+    return NULL;
+# else
+# ifndef __WIN32__
+    /* Borland C++ 5.2 has this in a header file. */
+    extern char		**environ;
+# endif
+    static char_u	name[100];
+    char_u		*str;
+    int			n;
+
+    str = (char_u *)environ[idx];
+    if (str == NULL)
+	return NULL;
+
+    for (n = 0; n < 99; ++n)
+    {
+	if (str[n] == '=' || str[n] == NUL)
+	    break;
+	name[n] = str[n];
+    }
+    name[n] = NUL;
+    return name;
+# endif
+}
+#endif
+
+/*
+ * Replace home directory by "~" in each space or comma separated file name in
+ * 'src'.
+ * If anything fails (except when out of space) dst equals src.
+ */
+    void
+home_replace(buf, src, dst, dstlen, one)
+    buf_T	*buf;	/* when not NULL, check for help files */
+    char_u	*src;	/* input file name */
+    char_u	*dst;	/* where to put the result */
+    int		dstlen;	/* maximum length of the result */
+    int		one;	/* if TRUE, only replace one file name, include
+			   spaces and commas in the file name. */
+{
+    size_t	dirlen = 0, envlen = 0;
+    size_t	len;
+    char_u	*homedir_env;
+    char_u	*p;
+
+    if (src == NULL)
+    {
+	*dst = NUL;
+	return;
+    }
+
+    /*
+     * If the file is a help file, remove the path completely.
+     */
+    if (buf != NULL && buf->b_help)
+    {
+	STRCPY(dst, gettail(src));
+	return;
+    }
+
+    /*
+     * We check both the value of the $HOME environment variable and the
+     * "real" home directory.
+     */
+    if (homedir != NULL)
+	dirlen = STRLEN(homedir);
+
+#ifdef VMS
+    homedir_env = mch_getenv((char_u *)"SYS$LOGIN");
+#else
+    homedir_env = mch_getenv((char_u *)"HOME");
+#endif
+
+    if (homedir_env != NULL && *homedir_env == NUL)
+	homedir_env = NULL;
+    if (homedir_env != NULL)
+	envlen = STRLEN(homedir_env);
+
+    if (!one)
+	src = skipwhite(src);
+    while (*src && dstlen > 0)
+    {
+	/*
+	 * Here we are at the beginning of a file name.
+	 * First, check to see if the beginning of the file name matches
+	 * $HOME or the "real" home directory. Check that there is a '/'
+	 * after the match (so that if e.g. the file is "/home/pieter/bla",
+	 * and the home directory is "/home/piet", the file does not end up
+	 * as "~er/bla" (which would seem to indicate the file "bla" in user
+	 * er's home directory)).
+	 */
+	p = homedir;
+	len = dirlen;
+	for (;;)
+	{
+	    if (   len
+		&& fnamencmp(src, p, len) == 0
+		&& (vim_ispathsep(src[len])
+		    || (!one && (src[len] == ',' || src[len] == ' '))
+		    || src[len] == NUL))
+	    {
+		src += len;
+		if (--dstlen > 0)
+		    *dst++ = '~';
+
+		/*
+		 * If it's just the home directory, add  "/".
+		 */
+		if (!vim_ispathsep(src[0]) && --dstlen > 0)
+		    *dst++ = '/';
+		break;
+	    }
+	    if (p == homedir_env)
+		break;
+	    p = homedir_env;
+	    len = envlen;
+	}
+
+	/* if (!one) skip to separator: space or comma */
+	while (*src && (one || (*src != ',' && *src != ' ')) && --dstlen > 0)
+	    *dst++ = *src++;
+	/* skip separator */
+	while ((*src == ' ' || *src == ',') && --dstlen > 0)
+	    *dst++ = *src++;
+    }
+    /* if (dstlen == 0) out of space, what to do??? */
+
+    *dst = NUL;
+}
+
+/*
+ * Like home_replace, store the replaced string in allocated memory.
+ * When something fails, NULL is returned.
+ */
+    char_u  *
+home_replace_save(buf, src)
+    buf_T	*buf;	/* when not NULL, check for help files */
+    char_u	*src;	/* input file name */
+{
+    char_u	*dst;
+    unsigned	len;
+
+    len = 3;			/* space for "~/" and trailing NUL */
+    if (src != NULL)		/* just in case */
+	len += (unsigned)STRLEN(src);
+    dst = alloc(len);
+    if (dst != NULL)
+	home_replace(buf, src, dst, len, TRUE);
+    return dst;
+}
+
+/*
+ * Compare two file names and return:
+ * FPC_SAME   if they both exist and are the same file.
+ * FPC_SAMEX  if they both don't exist and have the same file name.
+ * FPC_DIFF   if they both exist and are different files.
+ * FPC_NOTX   if they both don't exist.
+ * FPC_DIFFX  if one of them doesn't exist.
+ * For the first name environment variables are expanded
+ */
+    int
+fullpathcmp(s1, s2, checkname)
+    char_u *s1, *s2;
+    int	    checkname;		/* when both don't exist, check file names */
+{
+#ifdef UNIX
+    char_u	    exp1[MAXPATHL];
+    char_u	    full1[MAXPATHL];
+    char_u	    full2[MAXPATHL];
+    struct stat	    st1, st2;
+    int		    r1, r2;
+
+    expand_env(s1, exp1, MAXPATHL);
+    r1 = mch_stat((char *)exp1, &st1);
+    r2 = mch_stat((char *)s2, &st2);
+    if (r1 != 0 && r2 != 0)
+    {
+	/* if mch_stat() doesn't work, may compare the names */
+	if (checkname)
+	{
+	    if (fnamecmp(exp1, s2) == 0)
+		return FPC_SAMEX;
+	    r1 = vim_FullName(exp1, full1, MAXPATHL, FALSE);
+	    r2 = vim_FullName(s2, full2, MAXPATHL, FALSE);
+	    if (r1 == OK && r2 == OK && fnamecmp(full1, full2) == 0)
+		return FPC_SAMEX;
+	}
+	return FPC_NOTX;
+    }
+    if (r1 != 0 || r2 != 0)
+	return FPC_DIFFX;
+    if (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino)
+	return FPC_SAME;
+    return FPC_DIFF;
+#else
+    char_u  *exp1;		/* expanded s1 */
+    char_u  *full1;		/* full path of s1 */
+    char_u  *full2;		/* full path of s2 */
+    int	    retval = FPC_DIFF;
+    int	    r1, r2;
+
+    /* allocate one buffer to store three paths (alloc()/free() is slow!) */
+    if ((exp1 = alloc(MAXPATHL * 3)) != NULL)
+    {
+	full1 = exp1 + MAXPATHL;
+	full2 = full1 + MAXPATHL;
+
+	expand_env(s1, exp1, MAXPATHL);
+	r1 = vim_FullName(exp1, full1, MAXPATHL, FALSE);
+	r2 = vim_FullName(s2, full2, MAXPATHL, FALSE);
+
+	/* If vim_FullName() fails, the file probably doesn't exist. */
+	if (r1 != OK && r2 != OK)
+	{
+	    if (checkname && fnamecmp(exp1, s2) == 0)
+		retval = FPC_SAMEX;
+	    else
+		retval = FPC_NOTX;
+	}
+	else if (r1 != OK || r2 != OK)
+	    retval = FPC_DIFFX;
+	else if (fnamecmp(full1, full2))
+	    retval = FPC_DIFF;
+	else
+	    retval = FPC_SAME;
+	vim_free(exp1);
+    }
+    return retval;
+#endif
+}
+
+/*
+ * get the tail of a path: the file name.
+ */
+    char_u *
+gettail(fname)
+    char_u *fname;
+{
+    char_u  *p1, *p2;
+
+    if (fname == NULL)
+	return (char_u *)"";
+    for (p1 = p2 = fname; *p2; )	/* find last part of path */
+    {
+	if (vim_ispathsep(*p2))
+	    p1 = p2 + 1;
+#ifdef FEAT_MBYTE
+	if (has_mbyte)
+	    p2 += (*mb_ptr2len_check)(p2);
+	else
+#endif
+	    ++p2;
+    }
+    return p1;
+}
+
+/*
+ * get the next path component (just after the next path separator).
+ */
+    char_u *
+getnextcomp(fname)
+    char_u *fname;
+{
+    while (*fname && !vim_ispathsep(*fname))
+	++fname;
+    if (*fname)
+	++fname;
+    return fname;
+}
+
+#if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \
+	|| defined(FEAT_SESSION) || defined(MSWIN) \
+	|| (defined(FEAT_GUI_GTK) \
+			    && (defined(FEAT_WINDOWS) || defined(FEAT_DND))) \
+	|| defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \
+	|| defined(PROTO)
+/*
+ * Get a pointer to one character past the head of a path name.
+ * Unix: after "/"; DOS: after "c:\"; Amiga: after "disk:/"; Mac: no head.
+ * If there is no head, path is returned.
+ */
+    char_u *
+get_past_head(path)
+    char_u  *path;
+{
+    char_u  *retval;
+
+#if defined(MSDOS) || defined(MSWIN) || defined(OS2)
+    /* may skip "c:" */
+    if (isalpha(path[0]) && path[1] == ':')
+	retval = path + 2;
+    else
+	retval = path;
+#else
+# if defined(AMIGA)
+    /* may skip "label:" */
+    retval = vim_strchr(path, ':');
+    if (retval == NULL)
+	retval = path;
+# else	/* Unix */
+    retval = path;
+# endif
+#endif
+
+    while (vim_ispathsep(*retval))
+	++retval;
+
+    return retval;
+}
+#endif
+
+/*
+ * return TRUE if 'c' is a path separator.
+ */
+    int
+vim_ispathsep(c)
+    int c;
+{
+#ifdef RISCOS
+    return (c == '.' || c == ':');
+#else
+# ifdef UNIX
+    return (c == '/');	    /* UNIX has ':' inside file names */
+# else
+#  ifdef BACKSLASH_IN_FILENAME
+    return (c == ':' || c == '/' || c == '\\');
+#  else
+#   ifdef VMS
+    /* server"user passwd"::device:[full.path.name]fname.extension;version" */
+    return (c == ':' || c == '[' || c == ']' || c == '/'
+	    || c == '<' || c == '>' || c == '"' );
+#   else
+#    ifdef COLON_AS_PATHSEP
+    return (c == ':');
+#    else		/* Amiga */
+    return (c == ':' || c == '/');
+#    endif
+#   endif /* VMS */
+#  endif
+# endif
+#endif /* RISC OS */
+}
+
+#if defined(FEAT_SEARCHPATH) || defined(PROTO)
+/*
+ * return TRUE if 'c' is a path list separator.
+ */
+    int
+vim_ispathlistsep(c)
+    int c;
+{
+#ifdef UNIX
+    return (c == ':');
+#else
+    return (c == ';');	/* might not be rigth for every system... */
+#endif
+}
+#endif
+
+#if (defined(CASE_INSENSITIVE_FILENAME) && defined(BACKSLASH_IN_FILENAME)) \
+	|| defined(PROTO)
+/*
+ * Versions of fnamecmp() and fnamencmp() that handle '/' and '\' equally.
+ */
+    int
+vim_fnamecmp(x, y)
+    char_u	*x, *y;
+{
+    return vim_fnamencmp(x, y, MAXPATHL);
+}
+
+    int
+vim_fnamencmp(x, y, len)
+    char_u	*x, *y;
+    size_t	len;
+{
+    while (len > 0 && *x && *y)
+    {
+	if (TOLOWER_LOC(*x) != TOLOWER_LOC(*y)
+		&& !(*x == '/' && *y == '\\')
+		&& !(*x == '\\' && *y == '/'))
+	    break;
+	++x;
+	++y;
+	--len;
+    }
+    if (len == 0)
+	return 0;
+    return (*x - *y);
+}
+#endif
+
+/*
+ * Concatenate file names fname1 and fname2 into allocated memory.
+ * Only add a '/' or '\\' when 'sep' is TRUE and it is neccesary.
+ */
+    char_u  *
+concat_fnames(fname1, fname2, sep)
+    char_u  *fname1;
+    char_u  *fname2;
+    int	    sep;
+{
+    char_u  *dest;
+
+    dest = alloc((unsigned)(STRLEN(fname1) + STRLEN(fname2) + 3));
+    if (dest != NULL)
+    {
+	STRCPY(dest, fname1);
+	if (sep)
+	    add_pathsep(dest);
+	STRCAT(dest, fname2);
+    }
+    return dest;
+}
+
+/*
+ * Add a path separator to a file name, unless it already ends in a path
+ * separator.
+ */
+    void
+add_pathsep(p)
+    char_u	*p;
+{
+    if (*p != NUL && !vim_ispathsep(*(p + STRLEN(p) - 1)))
+	STRCAT(p, PATHSEPSTR);
+}
+
+/*
+ * FullName_save - Make an allocated copy of a full file name.
+ * Returns NULL when out of memory.
+ */
+    char_u  *
+FullName_save(fname, force)
+    char_u	*fname;
+    int		force;	    /* force expansion, even when it already looks
+			       like a full path name */
+{
+    char_u	*buf;
+    char_u	*new_fname = NULL;
+
+    if (fname == NULL)
+	return NULL;
+
+    buf = alloc((unsigned)MAXPATHL);
+    if (buf != NULL)
+    {
+	if (vim_FullName(fname, buf, MAXPATHL, force) != FAIL)
+	    new_fname = vim_strsave(buf);
+	else
+	    new_fname = vim_strsave(fname);
+	vim_free(buf);
+    }
+    return new_fname;
+}
+
+#if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
+
+static char_u	*skip_string __ARGS((char_u *p));
+
+/*
+ * Find the start of a comment, not knowing if we are in a comment right now.
+ * Search starts at w_cursor.lnum and goes backwards.
+ */
+    pos_T *
+find_start_comment(ind_maxcomment)	    /* XXX */
+    int		ind_maxcomment;
+{
+    pos_T	*pos;
+    char_u	*line;
+    char_u	*p;
+
+    if ((pos = findmatchlimit(NULL, '*', FM_BACKWARD, ind_maxcomment)) == NULL)
+	return NULL;
+
+    /*
+     * Check if the comment start we found is inside a string.
+     */
+    line = ml_get(pos->lnum);
+    for (p = line; *p && (unsigned)(p - line) < pos->col; ++p)
+	p = skip_string(p);
+    if ((unsigned)(p - line) > pos->col)
+	return NULL;
+    return pos;
+}
+
+/*
+ * Skip to the end of a "string" and a 'c' character.
+ * If there is no string or character, return argument unmodified.
+ */
+    static char_u *
+skip_string(p)
+    char_u  *p;
+{
+    int	    i;
+
+    /*
+     * We loop, because strings may be concatenated: "date""time".
+     */
+    for ( ; ; ++p)
+    {
+	if (p[0] == '\'')		    /* 'c' or '\n' or '\000' */
+	{
+	    if (!p[1])			    /* ' at end of line */
+		break;
+	    i = 2;
+	    if (p[1] == '\\')		    /* '\n' or '\000' */
+	    {
+		++i;
+		while (vim_isdigit(p[i - 1]))   /* '\000' */
+		    ++i;
+	    }
+	    if (p[i] == '\'')		    /* check for trailing ' */
+	    {
+		p += i;
+		continue;
+	    }
+	}
+	else if (p[0] == '"')		    /* start of string */
+	{
+	    for (++p; p[0]; ++p)
+	    {
+		if (p[0] == '\\' && p[1] != NUL)
+		    ++p;
+		else if (p[0] == '"')	    /* end of string */
+		    break;
+	    }
+	    if (p[0] == '"')
+		continue;
+	}
+	break;				    /* no string found */
+    }
+    if (!*p)
+	--p;				    /* backup from NUL */
+    return p;
+}
+#endif /* FEAT_CINDENT || FEAT_SYN_HL */
+
+#if defined(FEAT_CINDENT) || defined(PROTO)
+
+/*
+ * Do C or expression indenting on the current line.
+ */
+    void
+do_c_expr_indent()
+{
+# ifdef FEAT_EVAL
+    if (*curbuf->b_p_inde != NUL)
+	fixthisline(get_expr_indent);
+    else
+# endif
+	fixthisline(get_c_indent);
+}
+
+/*
+ * Functions for C-indenting.
+ * Most of this originally comes from Eric Fischer.
+ */
+/*
+ * Below "XXX" means that this function may unlock the current line.
+ */
+
+static char_u	*cin_skipcomment __ARGS((char_u *));
+static int	cin_nocode __ARGS((char_u *));
+static pos_T	*find_line_comment __ARGS((void));
+static int	cin_islabel_skip __ARGS((char_u **));
+static int	cin_isdefault __ARGS((char_u *));
+static char_u	*after_label __ARGS((char_u *l));
+static int	get_indent_nolabel __ARGS((linenr_T lnum));
+static int	skip_label __ARGS((linenr_T, char_u **pp, int ind_maxcomment));
+static int	cin_first_id_amount __ARGS((void));
+static int	cin_get_equal_amount __ARGS((linenr_T lnum));
+static int	cin_ispreproc __ARGS((char_u *));
+static int	cin_ispreproc_cont __ARGS((char_u **pp, linenr_T *lnump));
+static int	cin_iscomment __ARGS((char_u *));
+static int	cin_islinecomment __ARGS((char_u *));
+static int	cin_isterminated __ARGS((char_u *, int, int));
+static int	cin_isinit __ARGS((void));
+static int	cin_isfuncdecl __ARGS((char_u **, linenr_T));
+static int	cin_isif __ARGS((char_u *));
+static int	cin_iselse __ARGS((char_u *));
+static int	cin_isdo __ARGS((char_u *));
+static int	cin_iswhileofdo __ARGS((char_u *, linenr_T, int));
+static int	cin_isbreak __ARGS((char_u *));
+static int	cin_is_cpp_baseclass __ARGS((char_u *line, colnr_T *col));
+static int	cin_ends_in __ARGS((char_u *, char_u *, char_u *));
+static int	cin_skip2pos __ARGS((pos_T *trypos));
+static pos_T	*find_start_brace __ARGS((int));
+static pos_T	*find_match_paren __ARGS((int, int));
+static int	corr_ind_maxparen __ARGS((int ind_maxparen, pos_T *startpos));
+static int	find_last_paren __ARGS((char_u *l, int start, int end));
+static int	find_match __ARGS((int lookfor, linenr_T ourscope, int ind_maxparen, int ind_maxcomment));
+
+/*
+ * Skip over white space and C comments within the line.
+ */
+    static char_u *
+cin_skipcomment(s)
+    char_u	*s;
+{
+    while (*s)
+    {
+	s = skipwhite(s);
+	if (*s != '/')
+	    break;
+	++s;
+	if (*s == '/')		/* slash-slash comment continues till eol */
+	{
+	    s += STRLEN(s);
+	    break;
+	}
+	if (*s != '*')
+	    break;
+	for (++s; *s; ++s)	/* skip slash-star comment */
+	    if (s[0] == '*' && s[1] == '/')
+	    {
+		s += 2;
+		break;
+	    }
+    }
+    return s;
+}
+
+/*
+ * Return TRUE if there there is no code at *s.  White space and comments are
+ * not considered code.
+ */
+    static int
+cin_nocode(s)
+    char_u	*s;
+{
+    return *cin_skipcomment(s) == NUL;
+}
+
+/*
+ * Check previous lines for a "//" line comment, skipping over blank lines.
+ */
+    static pos_T *
+find_line_comment() /* XXX */
+{
+    static pos_T pos;
+    char_u	 *line;
+    char_u	 *p;
+
+    pos = curwin->w_cursor;
+    while (--pos.lnum > 0)
+    {
+	line = ml_get(pos.lnum);
+	p = skipwhite(line);
+	if (cin_islinecomment(p))
+	{
+	    pos.col = (int)(p - line);
+	    return &pos;
+	}
+	if (*p != NUL)
+	    break;
+    }
+    return NULL;
+}
+
+/*
+ * Check if string matches "label:"; move to character after ':' if true.
+ */
+    static int
+cin_islabel_skip(s)
+    char_u	**s;
+{
+    if (!vim_isIDc(**s))	    /* need at least one ID character */
+	return FALSE;
+
+    while (vim_isIDc(**s))
+	(*s)++;
+
+    *s = cin_skipcomment(*s);
+
+    /* "::" is not a label, it's C++ */
+    return (**s == ':' && *++*s != ':');
+}
+
+/*
+ * Recognize a label: "label:".
+ * Note: curwin->w_cursor must be where we are looking for the label.
+ */
+    int
+cin_islabel(ind_maxcomment)		/* XXX */
+    int		ind_maxcomment;
+{
+    char_u	*s;
+
+    s = cin_skipcomment(ml_get_curline());
+
+    /*
+     * Exclude "default" from labels, since it should be indented
+     * like a switch label.  Same for C++ scope declarations.
+     */
+    if (cin_isdefault(s))
+	return FALSE;
+    if (cin_isscopedecl(s))
+	return FALSE;
+
+    if (cin_islabel_skip(&s))
+    {
+	/*
+	 * Only accept a label if the previous line is terminated or is a case
+	 * label.
+	 */
+	pos_T	cursor_save;
+	pos_T	*trypos;
+	char_u	*line;
+
+	cursor_save = curwin->w_cursor;
+	while (curwin->w_cursor.lnum > 1)
+	{
+	    --curwin->w_cursor.lnum;
+
+	    /*
+	     * If we're in a comment now, skip to the start of the comment.
+	     */
+	    curwin->w_cursor.col = 0;
+	    if ((trypos = find_start_comment(ind_maxcomment)) != NULL) /* XXX */
+		curwin->w_cursor = *trypos;
+
+	    line = ml_get_curline();
+	    if (cin_ispreproc(line))	/* ignore #defines, #if, etc. */
+		continue;
+	    if (*(line = cin_skipcomment(line)) == NUL)
+		continue;
+
+	    curwin->w_cursor = cursor_save;
+	    if (cin_isterminated(line, TRUE, FALSE)
+		    || cin_isscopedecl(line)
+		    || cin_iscase(line)
+		    || (cin_islabel_skip(&line) && cin_nocode(line)))
+		return TRUE;
+	    return FALSE;
+	}
+	curwin->w_cursor = cursor_save;
+	return TRUE;		/* label at start of file??? */
+    }
+    return FALSE;
+}
+
+/*
+ * Recognize structure initialization and enumerations.
+ * Q&D-Implementation:
+ * check for "=" at end or "[typedef] enum" at beginning of line.
+ */
+    static int
+cin_isinit(void)
+{
+    char_u	*s;
+
+    s = cin_skipcomment(ml_get_curline());
+
+    if (STRNCMP(s, "typedef", 7) == 0 && !vim_isIDc(s[7]))
+	s = cin_skipcomment(s + 7);
+
+    if (STRNCMP(s, "enum", 4) == 0 && !vim_isIDc(s[4]))
+	return TRUE;
+
+    if (cin_ends_in(s, (char_u *)"=", (char_u *)"{"))
+	return TRUE;
+
+    return FALSE;
+}
+
+/*
+ * Recognize a switch label: "case .*:" or "default:".
+ */
+     int
+cin_iscase(s)
+    char_u *s;
+{
+    s = cin_skipcomment(s);
+    if (STRNCMP(s, "case", 4) == 0 && !vim_isIDc(s[4]))
+    {
+	for (s += 4; *s; ++s)
+	{
+	    s = cin_skipcomment(s);
+	    if (*s == ':')
+	    {
+		if (s[1] == ':')	/* skip over "::" for C++ */
+		    ++s;
+		else
+		    return TRUE;
+	    }
+	    if (*s == '\'' && s[1] && s[2] == '\'')
+		s += 2;			/* skip over '.' */
+	    else if (*s == '/' && (s[1] == '*' || s[1] == '/'))
+		return FALSE;		/* stop at comment */
+	    else if (*s == '"')
+		return FALSE;		/* stop at string */
+	}
+	return FALSE;
+    }
+
+    if (cin_isdefault(s))
+	return TRUE;
+    return FALSE;
+}
+
+/*
+ * Recognize a "default" switch label.
+ */
+    static int
+cin_isdefault(s)
+    char_u  *s;
+{
+    return (STRNCMP(s, "default", 7) == 0
+	    && *(s = cin_skipcomment(s + 7)) == ':'
+	    && s[1] != ':');
+}
+
+/*
+ * Recognize a "public/private/proctected" scope declaration label.
+ */
+    int
+cin_isscopedecl(s)
+    char_u	*s;
+{
+    int		i;
+
+    s = cin_skipcomment(s);
+    if (STRNCMP(s, "public", 6) == 0)
+	i = 6;
+    else if (STRNCMP(s, "protected", 9) == 0)
+	i = 9;
+    else if (STRNCMP(s, "private", 7) == 0)
+	i = 7;
+    else
+	return FALSE;
+    return (*(s = cin_skipcomment(s + i)) == ':' && s[1] != ':');
+}
+
+/*
+ * Return a pointer to the first non-empty non-comment character after a ':'.
+ * Return NULL if not found.
+ *	  case 234:    a = b;
+ *		       ^
+ */
+    static char_u *
+after_label(l)
+    char_u  *l;
+{
+    for ( ; *l; ++l)
+    {
+	if (*l == ':')
+	{
+	    if (l[1] == ':')	    /* skip over "::" for C++ */
+		++l;
+	    else if (!cin_iscase(l + 1))
+		break;
+	}
+	else if (*l == '\'' && l[1] && l[2] == '\'')
+	    l += 2;		    /* skip over 'x' */
+    }
+    if (*l == NUL)
+	return NULL;
+    l = cin_skipcomment(l + 1);
+    if (*l == NUL)
+	return NULL;
+    return l;
+}
+
+/*
+ * Get indent of line "lnum", skipping a label.
+ * Return 0 if there is nothing after the label.
+ */
+    static int
+get_indent_nolabel(lnum)		/* XXX */
+    linenr_T	lnum;
+{
+    char_u	*l;
+    pos_T	fp;
+    colnr_T	col;
+    char_u	*p;
+
+    l = ml_get(lnum);
+    p = after_label(l);
+    if (p == NULL)
+	return 0;
+
+    fp.col = (colnr_T)(p - l);
+    fp.lnum = lnum;
+    getvcol(curwin, &fp, &col, NULL, NULL);
+    return (int)col;
+}
+
+/*
+ * Find indent for line "lnum", ignoring any case or jump label.
+ * Also return a pointer to the text (after the label).
+ *   label:	if (asdf && asdfasdf)
+ *		^
+ */
+    static int
+skip_label(lnum, pp, ind_maxcomment)
+    linenr_T	lnum;
+    char_u	**pp;
+    int		ind_maxcomment;
+{
+    char_u	*l;
+    int		amount;
+    pos_T	cursor_save;
+
+    cursor_save = curwin->w_cursor;
+    curwin->w_cursor.lnum = lnum;
+    l = ml_get_curline();
+				    /* XXX */
+    if (cin_iscase(l) || cin_isscopedecl(l) || cin_islabel(ind_maxcomment))
+    {
+	amount = get_indent_nolabel(lnum);
+	l = after_label(ml_get_curline());
+	if (l == NULL)		/* just in case */
+	    l = ml_get_curline();
+    }
+    else
+    {
+	amount = get_indent();
+	l = ml_get_curline();
+    }
+    *pp = l;
+
+    curwin->w_cursor = cursor_save;
+    return amount;
+}
+
+/*
+ * Return the indent of the first variable name after a type in a declaration.
+ *  int	    a,			indent of "a"
+ *  static struct foo    b,	indent of "b"
+ *  enum bla    c,		indent of "c"
+ * Returns zero when it doesn't look like a declaration.
+ */
+    static int
+cin_first_id_amount()
+{
+    char_u	*line, *p, *s;
+    int		len;
+    pos_T	fp;
+    colnr_T	col;
+
+    line = ml_get_curline();
+    p = skipwhite(line);
+    len = skiptowhite(p) - p;
+    if (len == 6 && STRNCMP(p, "static", 6) == 0)
+    {
+	p = skipwhite(p + 6);
+	len = skiptowhite(p) - p;
+    }
+    if (len == 6 && STRNCMP(p, "struct", 6) == 0)
+	p = skipwhite(p + 6);
+    else if (len == 4 && STRNCMP(p, "enum", 4) == 0)
+	p = skipwhite(p + 4);
+    else if ((len == 8 && STRNCMP(p, "unsigned", 8) == 0)
+	    || (len == 6 && STRNCMP(p, "signed", 6) == 0))
+    {
+	s = skipwhite(p + len);
+	if ((STRNCMP(s, "int", 3) == 0 && vim_iswhite(s[3]))
+		|| (STRNCMP(s, "long", 4) == 0 && vim_iswhite(s[4]))
+		|| (STRNCMP(s, "short", 5) == 0 && vim_iswhite(s[5]))
+		|| (STRNCMP(s, "char", 4) == 0 && vim_iswhite(s[4])))
+	    p = s;
+    }
+    for (len = 0; vim_isIDc(p[len]); ++len)
+	;
+    if (len == 0 || !vim_iswhite(p[len]) || cin_nocode(p))
+	return 0;
+
+    p = skipwhite(p + len);
+    fp.lnum = curwin->w_cursor.lnum;
+    fp.col = (colnr_T)(p - line);
+    getvcol(curwin, &fp, &col, NULL, NULL);
+    return (int)col;
+}
+
+/*
+ * Return the indent of the first non-blank after an equal sign.
+ *       char *foo = "here";
+ * Return zero if no (useful) equal sign found.
+ * Return -1 if the line above "lnum" ends in a backslash.
+ *      foo = "asdf\
+ *	       asdf\
+ *	       here";
+ */
+    static int
+cin_get_equal_amount(lnum)
+    linenr_T	lnum;
+{
+    char_u	*line;
+    char_u	*s;
+    colnr_T	col;
+    pos_T	fp;
+
+    if (lnum > 1)
+    {
+	line = ml_get(lnum - 1);
+	if (*line != NUL && line[STRLEN(line) - 1] == '\\')
+	    return -1;
+    }
+
+    line = s = ml_get(lnum);
+    while (*s != NUL && vim_strchr((char_u *)"=;{}\"'", *s) == NULL)
+    {
+	if (cin_iscomment(s))	/* ignore comments */
+	    s = cin_skipcomment(s);
+	else
+	    ++s;
+    }
+    if (*s != '=')
+	return 0;
+
+    s = skipwhite(s + 1);
+    if (cin_nocode(s))
+	return 0;
+
+    if (*s == '"')	/* nice alignment for continued strings */
+	++s;
+
+    fp.lnum = lnum;
+    fp.col = (colnr_T)(s - line);
+    getvcol(curwin, &fp, &col, NULL, NULL);
+    return (int)col;
+}
+
+/*
+ * Recognize a preprocessor statement: Any line that starts with '#'.
+ */
+    static int
+cin_ispreproc(s)
+    char_u *s;
+{
+    s = skipwhite(s);
+    if (*s == '#')
+	return TRUE;
+    return FALSE;
+}
+
+/*
+ * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a
+ * continuation line of a preprocessor statement.  Decrease "*lnump" to the
+ * start and return the line in "*pp".
+ */
+    static int
+cin_ispreproc_cont(pp, lnump)
+    char_u	**pp;
+    linenr_T	*lnump;
+{
+    char_u	*line = *pp;
+    linenr_T	lnum = *lnump;
+    int		retval = FALSE;
+
+    while (1)
+    {
+	if (cin_ispreproc(line))
+	{
+	    retval = TRUE;
+	    *lnump = lnum;
+	    break;
+	}
+	if (lnum == 1)
+	    break;
+	line = ml_get(--lnum);
+	if (*line == NUL || line[STRLEN(line) - 1] != '\\')
+	    break;
+    }
+
+    if (lnum != *lnump)
+	*pp = ml_get(*lnump);
+    return retval;
+}
+
+/*
+ * Recognize the start of a C or C++ comment.
+ */
+    static int
+cin_iscomment(p)
+    char_u  *p;
+{
+    return (p[0] == '/' && (p[1] == '*' || p[1] == '/'));
+}
+
+/*
+ * Recognize the start of a "//" comment.
+ */
+    static int
+cin_islinecomment(p)
+    char_u *p;
+{
+    return (p[0] == '/' && p[1] == '/');
+}
+
+/*
+ * Recognize a line that starts with '{' or '}', or ends with ';', '{' or '}'.
+ * Don't consider "} else" a terminated line.
+ * Return the character terminating the line (ending char's have precedence if
+ * both apply in order to determine initializations).
+ */
+    static int
+cin_isterminated(s, incl_open, incl_comma)
+    char_u	*s;
+    int		incl_open;	/* include '{' at the end as terminator */
+    int		incl_comma;	/* recognize a trailing comma */
+{
+    char_u found_start = 0;
+
+    s = cin_skipcomment(s);
+
+    if (*s == '{' || (*s == '}' && !cin_iselse(s)))
+	found_start = *s;
+
+    while (*s)
+    {
+	/* skip over comments, "" strings and 'c'haracters */
+	s = skip_string(cin_skipcomment(s));
+	if ((*s == ';' || (incl_open && *s == '{') || *s == '}'
+						 || (incl_comma && *s == ','))
+		&& cin_nocode(s + 1))
+	    return *s;
+
+	if (*s)
+	    s++;
+    }
+    return found_start;
+}
+
+/*
+ * Recognize the basic picture of a function declaration -- it needs to
+ * have an open paren somewhere and a close paren at the end of the line and
+ * no semicolons anywhere.
+ * When a line ends in a comma we continue looking in the next line.
+ * "sp" points to a string with the line.  When looking at other lines it must
+ * be restored to the line.  When it's NULL fetch lines here.
+ * "lnum" is where we start looking.
+ */
+    static int
+cin_isfuncdecl(sp, first_lnum)
+    char_u	**sp;
+    linenr_T	first_lnum;
+{
+    char_u	*s;
+    linenr_T	lnum = first_lnum;
+    int		retval = FALSE;
+
+    if (sp == NULL)
+	s = ml_get(lnum);
+    else
+	s = *sp;
+
+    while (*s && *s != '(' && *s != ';' && *s != '\'' && *s != '"')
+    {
+	if (cin_iscomment(s))	/* ignore comments */
+	    s = cin_skipcomment(s);
+	else
+	    ++s;
+    }
+    if (*s != '(')
+	return FALSE;		/* ';', ' or "  before any () or no '(' */
+
+    while (*s && *s != ';' && *s != '\'' && *s != '"')
+    {
+	if (*s == ')' && cin_nocode(s + 1))
+	{
+	    /* ')' at the end: may have found a match
+	     * Check for he previous line not to end in a backslash:
+	     *       #if defined(x) && \
+	     *		 defined(y)
+	     */
+	    lnum = first_lnum - 1;
+	    s = ml_get(lnum);
+	    if (*s == NUL || s[STRLEN(s) - 1] != '\\')
+		retval = TRUE;
+	    goto done;
+	}
+	if (*s == ',' && cin_nocode(s + 1))
+	{
+	    /* ',' at the end: continue looking in the next line */
+	    if (lnum >= curbuf->b_ml.ml_line_count)
+		break;
+
+	    s = ml_get(++lnum);
+	}
+	else if (cin_iscomment(s))	/* ignore comments */
+	    s = cin_skipcomment(s);
+	else
+	    ++s;
+    }
+
+done:
+    if (lnum != first_lnum && sp != NULL)
+	*sp = ml_get(first_lnum);
+
+    return retval;
+}
+
+    static int
+cin_isif(p)
+    char_u  *p;
+{
+    return (STRNCMP(p, "if", 2) == 0 && !vim_isIDc(p[2]));
+}
+
+    static int
+cin_iselse(p)
+    char_u  *p;
+{
+    if (*p == '}')	    /* accept "} else" */
+	p = cin_skipcomment(p + 1);
+    return (STRNCMP(p, "else", 4) == 0 && !vim_isIDc(p[4]));
+}
+
+    static int
+cin_isdo(p)
+    char_u  *p;
+{
+    return (STRNCMP(p, "do", 2) == 0 && !vim_isIDc(p[2]));
+}
+
+/*
+ * Check if this is a "while" that should have a matching "do".
+ * We only accept a "while (condition) ;", with only white space between the
+ * ')' and ';'. The condition may be spread over several lines.
+ */
+    static int
+cin_iswhileofdo(p, lnum, ind_maxparen)	    /* XXX */
+    char_u	*p;
+    linenr_T	lnum;
+    int		ind_maxparen;
+{
+    pos_T	cursor_save;
+    pos_T	*trypos;
+    int		retval = FALSE;
+
+    p = cin_skipcomment(p);
+    if (*p == '}')		/* accept "} while (cond);" */
+	p = cin_skipcomment(p + 1);
+    if (STRNCMP(p, "while", 5) == 0 && !vim_isIDc(p[5]))
+    {
+	cursor_save = curwin->w_cursor;
+	curwin->w_cursor.lnum = lnum;
+	curwin->w_cursor.col = 0;
+	p = ml_get_curline();
+	while (*p && *p != 'w')	/* skip any '}', until the 'w' of the "while" */
+	{
+	    ++p;
+	    ++curwin->w_cursor.col;
+	}
+	if ((trypos = findmatchlimit(NULL, 0, 0, ind_maxparen)) != NULL
+		&& *cin_skipcomment(ml_get_pos(trypos) + 1) == ';')
+	    retval = TRUE;
+	curwin->w_cursor = cursor_save;
+    }
+    return retval;
+}
+
+    static int
+cin_isbreak(p)
+    char_u  *p;
+{
+    return (STRNCMP(p, "break", 5) == 0 && !vim_isIDc(p[5]));
+}
+
+/* Find the position of a C++ base-class declaration or
+ * constructor-initialization. eg:
+ *
+ * class MyClass :
+ *	baseClass		<-- here
+ * class MyClass : public baseClass,
+ *	anotherBaseClass	<-- here (should probably lineup ??)
+ * MyClass::MyClass(...) :
+ *	baseClass(...)		<-- here (constructor-initialization)
+ */
+    static int
+cin_is_cpp_baseclass(line, col)
+    char_u	*line;
+    colnr_T	*col;
+{
+    char_u	*s;
+    int		class_or_struct, lookfor_ctor_init, cpp_base_class;
+
+    *col = 0;
+
+    s = cin_skipcomment(line);
+    if (*s == NUL)
+	return FALSE;
+
+    cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE;
+
+    while(*s != NUL)
+    {
+	if (s[0] == ':')
+	{
+	    if (s[1] == ':')
+	    {
+		/* skip double colon. It can't be a constructor
+		 * initialization any more */
+		lookfor_ctor_init = FALSE;
+		s = cin_skipcomment(s + 2);
+	    }
+	    else if (lookfor_ctor_init || class_or_struct)
+	    {
+		/* we have something found, that looks like the start of
+		 * cpp-base-class-declaration or contructor-initialization */
+		cpp_base_class = TRUE;
+		lookfor_ctor_init = class_or_struct = FALSE;
+		*col = 0;
+		s = cin_skipcomment(s + 1);
+	    }
+	    else
+		s = cin_skipcomment(s + 1);
+	}
+	else if ((STRNCMP(s, "class", 5) == 0 && !vim_isIDc(s[5]))
+		|| (STRNCMP(s, "struct", 6) == 0 && !vim_isIDc(s[6])))
+	{
+	    class_or_struct = TRUE;
+	    lookfor_ctor_init = FALSE;
+
+	    if (*s == 'c')
+		s = cin_skipcomment(s + 5);
+	    else
+		s = cin_skipcomment(s + 6);
+	}
+	else
+	{
+	    if (s[0] == '{' || s[0] == '}' || s[0] == ';')
+	    {
+		cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE;
+	    }
+	    else if (s[0] == ')')
+	    {
+		/* Constructor-initialization is assumed if we come across
+		 * something like "):" */
+		class_or_struct = FALSE;
+		lookfor_ctor_init = TRUE;
+	    }
+	    else if (!vim_isIDc(s[0]))
+	    {
+		/* if it is not an identifier, we are wrong */
+		class_or_struct = FALSE;
+		lookfor_ctor_init = FALSE;
+	    }
+	    else if (*col == 0)
+	    {
+		/* it can't be a constructor-initialization any more */
+		lookfor_ctor_init = FALSE;
+
+		/* the first statement starts here: lineup with this one... */
+		if (cpp_base_class && *col == 0)
+		    *col = (colnr_T)(s - line);
+	    }
+
+	    s = cin_skipcomment(s + 1);
+	}
+    }
+
+    return cpp_base_class;
+}
+
+/*
+ * Return TRUE if string "s" ends with the string "find", possibly followed by
+ * white space and comments.  Skip strings and comments.
+ * Ignore "ignore" after "find" if it's not NULL.
+ */
+    static int
+cin_ends_in(s, find, ignore)
+    char_u	*s;
+    char_u	*find;
+    char_u	*ignore;
+{
+    char_u	*p = s;
+    char_u	*r;
+    int		len = (int)STRLEN(find);
+
+    while (*p != NUL)
+    {
+	p = cin_skipcomment(p);
+	if (STRNCMP(p, find, len) == 0)
+	{
+	    r = skipwhite(p + len);
+	    if (ignore != NULL && STRNCMP(r, ignore, STRLEN(ignore)) == 0)
+		r = skipwhite(r + STRLEN(ignore));
+	    if (cin_nocode(r))
+		return TRUE;
+	}
+	if (*p != NUL)
+	    ++p;
+    }
+    return FALSE;
+}
+
+/*
+ * Skip strings, chars and comments until at or past "trypos".
+ * Return the column found.
+ */
+    static int
+cin_skip2pos(trypos)
+    pos_T	*trypos;
+{
+    char_u	*line;
+    char_u	*p;
+
+    p = line = ml_get(trypos->lnum);
+    while (*p && (colnr_T)(p - line) < trypos->col)
+    {
+	if (cin_iscomment(p))
+	    p = cin_skipcomment(p);
+	else
+	{
+	    p = skip_string(p);
+	    ++p;
+	}
+    }
+    return (int)(p - line);
+}
+
+/*
+ * Find the '{' at the start of the block we are in.
+ * Return NULL if no match found.
+ * Ignore a '{' that is in a comment, makes indenting the next three lines
+ * work. */
+/* foo()    */
+/* {	    */
+/* }	    */
+
+    static pos_T *
+find_start_brace(ind_maxcomment)	    /* XXX */
+    int		ind_maxcomment;
+{
+    pos_T	cursor_save;
+    pos_T	*trypos;
+    pos_T	*pos;
+    static pos_T	pos_copy;
+
+    cursor_save = curwin->w_cursor;
+    while ((trypos = findmatchlimit(NULL, '{', FM_BLOCKSTOP, 0)) != NULL)
+    {
+	pos_copy = *trypos;	/* copy pos_T, next findmatch will change it */
+	trypos = &pos_copy;
+	curwin->w_cursor = *trypos;
+	pos = NULL;
+	/* ignore the { if it's in a // comment */
+	if ((colnr_T)cin_skip2pos(trypos) == trypos->col
+		&& (pos = find_start_comment(ind_maxcomment)) == NULL) /* XXX */
+	    break;
+	if (pos != NULL)
+	    curwin->w_cursor.lnum = pos->lnum;
+    }
+    curwin->w_cursor = cursor_save;
+    return trypos;
+}
+
+/*
+ * Find the matching '(', failing if it is in a comment.
+ * Return NULL of no match found.
+ */
+    static pos_T *
+find_match_paren(ind_maxparen, ind_maxcomment)	    /* XXX */
+    int		ind_maxparen;
+    int		ind_maxcomment;
+{
+    pos_T	cursor_save;
+    pos_T	*trypos;
+    static pos_T	pos_copy;
+
+    cursor_save = curwin->w_cursor;
+    if ((trypos = findmatchlimit(NULL, '(', 0, ind_maxparen)) != NULL)
+    {
+	/* check if the ( is in a // comment */
+	if ((colnr_T)cin_skip2pos(trypos) > trypos->col)
+	    trypos = NULL;
+	else
+	{
+	    pos_copy = *trypos;	    /* copy trypos, findmatch will change it */
+	    trypos = &pos_copy;
+	    curwin->w_cursor = *trypos;
+	    if (find_start_comment(ind_maxcomment) != NULL) /* XXX */
+		trypos = NULL;
+	}
+    }
+    curwin->w_cursor = cursor_save;
+    return trypos;
+}
+
+/*
+ * Return ind_maxparen corrected for the difference in line number between the
+ * cursor position and "startpos".  This makes sure that searching for a
+ * matching paren above the cursor line doesn't find a match because of
+ * looking a few lines further.
+ */
+    static int
+corr_ind_maxparen(ind_maxparen, startpos)
+    int		ind_maxparen;
+    pos_T	*startpos;
+{
+    long	n = (long)startpos->lnum - (long)curwin->w_cursor.lnum;
+
+    if (n > 0 && n < ind_maxparen / 2)
+	return ind_maxparen - (int)n;
+    return ind_maxparen;
+}
+
+/*
+ * Set w_cursor.col to the column number of the last unmatched ')' or '{' in
+ * line "l".
+ */
+    static int
+find_last_paren(l, start, end)
+    char_u	*l;
+    int		start, end;
+{
+    int		i;
+    int		retval = FALSE;
+    int		open_count = 0;
+
+    curwin->w_cursor.col = 0;		    /* default is start of line */
+
+    for (i = 0; l[i]; i++)
+    {
+	i = (int)(cin_skipcomment(l + i) - l); /* ignore parens in comments */
+	i = (int)(skip_string(l + i) - l);    /* ignore parens in quotes */
+	if (l[i] == start)
+	    ++open_count;
+	else if (l[i] == end)
+	{
+	    if (open_count > 0)
+		--open_count;
+	    else
+	    {
+		curwin->w_cursor.col = i;
+		retval = TRUE;
+	    }
+	}
+    }
+    return retval;
+}
+
+    int
+get_c_indent()
+{
+    /*
+     * spaces from a block's opening brace the prevailing indent for that
+     * block should be
+     */
+    int ind_level = curbuf->b_p_sw;
+
+    /*
+     * spaces from the edge of the line an open brace that's at the end of a
+     * line is imagined to be.
+     */
+    int ind_open_imag = 0;
+
+    /*
+     * spaces from the prevailing indent for a line that is not precededof by
+     * an opening brace.
+     */
+    int ind_no_brace = 0;
+
+    /*
+     * column where the first { of a function should be located }
+     */
+    int ind_first_open = 0;
+
+    /*
+     * spaces from the prevailing indent a leftmost open brace should be
+     * located
+     */
+    int ind_open_extra = 0;
+
+    /*
+     * spaces from the matching open brace (real location for one at the left
+     * edge; imaginary location from one that ends a line) the matching close
+     * brace should be located
+     */
+    int ind_close_extra = 0;
+
+    /*
+     * spaces from the edge of the line an open brace sitting in the leftmost
+     * column is imagined to be
+     */
+    int ind_open_left_imag = 0;
+
+    /*
+     * spaces from the switch() indent a "case xx" label should be located
+     */
+    int ind_case = curbuf->b_p_sw;
+
+    /*
+     * spaces from the "case xx:" code after a switch() should be located
+     */
+    int ind_case_code = curbuf->b_p_sw;
+
+    /*
+     * lineup break at end of case in switch() with case label
+     */
+    int ind_case_break = 0;
+
+    /*
+     * spaces from the class declaration indent a scope declaration label
+     * should be located
+     */
+    int ind_scopedecl = curbuf->b_p_sw;
+
+    /*
+     * spaces from the scope declaration label code should be located
+     */
+    int ind_scopedecl_code = curbuf->b_p_sw;
+
+    /*
+     * amount K&R-style parameters should be indented
+     */
+    int ind_param = curbuf->b_p_sw;
+
+    /*
+     * amount a function type spec should be indented
+     */
+    int ind_func_type = curbuf->b_p_sw;
+
+    /*
+     * amount a cpp base class declaration or constructor initialization
+     * should be indented
+     */
+    int ind_cpp_baseclass = curbuf->b_p_sw;
+
+    /*
+     * additional spaces beyond the prevailing indent a continuation line
+     * should be located
+     */
+    int ind_continuation = curbuf->b_p_sw;
+
+    /*
+     * spaces from the indent of the line with an unclosed parentheses
+     */
+    int ind_unclosed = curbuf->b_p_sw * 2;
+
+    /*
+     * spaces from the indent of the line with an unclosed parentheses, which
+     * itself is also unclosed
+     */
+    int ind_unclosed2 = curbuf->b_p_sw;
+
+    /*
+     * suppress ignoring spaces from the indent of a line starting with an
+     * unclosed parentheses.
+     */
+    int ind_unclosed_noignore = 0;
+
+    /*
+     * If the opening paren is the last nonwhite character on the line, and
+     * ind_unclosed_wrapped is nonzero, use this indent relative to the outer
+     * context (for very long lines).
+     */
+    int ind_unclosed_wrapped = 0;
+
+    /*
+     * suppress ignoring white space when lining up with the character after
+     * an unclosed parentheses.
+     */
+    int ind_unclosed_whiteok = 0;
+
+    /*
+     * indent a closing parentheses under the line start of the matching
+     * opening parentheses.
+     */
+    int ind_matching_paren = 0;
+
+    /*
+     * Extra indent for comments.
+     */
+    int ind_comment = 0;
+
+    /*
+     * spaces from the comment opener when there is nothing after it.
+     */
+    int ind_in_comment = 3;
+
+    /*
+     * boolean: if non-zero, use ind_in_comment even if there is something
+     * after the comment opener.
+     */
+    int ind_in_comment2 = 0;
+
+    /*
+     * max lines to search for an open paren
+     */
+    int ind_maxparen = 20;
+
+    /*
+     * max lines to search for an open comment
+     */
+    int ind_maxcomment = 70;
+
+    /*
+     * handle braces for java code
+     */
+    int	ind_java = 0;
+
+    /*
+     * handle blocked cases correctly
+     */
+    int ind_keep_case_label = 0;
+
+    pos_T	cur_curpos;
+    int		amount;
+    int		scope_amount;
+    int		cur_amount;
+    colnr_T	col;
+    char_u	*theline;
+    char_u	*linecopy;
+    pos_T	*trypos;
+    pos_T	*tryposBrace = NULL;
+    pos_T	our_paren_pos;
+    char_u	*start;
+    int		start_brace;
+#define BRACE_IN_COL0		1	    /* '{' is in comumn 0 */
+#define BRACE_AT_START		2	    /* '{' is at start of line */
+#define BRACE_AT_END		3	    /* '{' is at end of line */
+    linenr_T	ourscope;
+    char_u	*l;
+    char_u	*look;
+    char_u	terminated;
+    int		lookfor;
+#define LOOKFOR_INITIAL		0
+#define LOOKFOR_IF		1
+#define LOOKFOR_DO		2
+#define LOOKFOR_CASE		3
+#define LOOKFOR_ANY		4
+#define LOOKFOR_TERM		5
+#define LOOKFOR_UNTERM		6
+#define LOOKFOR_SCOPEDECL	7
+#define LOOKFOR_NOBREAK		8
+#define LOOKFOR_CPP_BASECLASS	9
+#define LOOKFOR_ENUM_OR_INIT	10
+
+    int		whilelevel;
+    linenr_T	lnum;
+    char_u	*options;
+    int		fraction = 0;	    /* init for GCC */
+    int		divider;
+    int		n;
+    int		iscase;
+    int		lookfor_break;
+    int		cont_amount = 0;    /* amount for continuation line */
+
+    for (options = curbuf->b_p_cino; *options; )
+    {
+	l = options++;
+	if (*options == '-')
+	    ++options;
+	n = getdigits(&options);
+	divider = 0;
+	if (*options == '.')	    /* ".5s" means a fraction */
+	{
+	    fraction = atol((char *)++options);
+	    while (VIM_ISDIGIT(*options))
+	    {
+		++options;
+		if (divider)
+		    divider *= 10;
+		else
+		    divider = 10;
+	    }
+	}
+	if (*options == 's')	    /* "2s" means two times 'shiftwidth' */
+	{
+	    if (n == 0 && fraction == 0)
+		n = curbuf->b_p_sw;	/* just "s" is one 'shiftwidth' */
+	    else
+	    {
+		n *= curbuf->b_p_sw;
+		if (divider)
+		    n += (curbuf->b_p_sw * fraction + divider / 2) / divider;
+	    }
+	    ++options;
+	}
+	if (l[1] == '-')
+	    n = -n;
+	/* When adding an entry here, also update the default 'cinoptions' in
+	 * change.txt, and add explanation for it! */
+	switch (*l)
+	{
+	    case '>': ind_level = n; break;
+	    case 'e': ind_open_imag = n; break;
+	    case 'n': ind_no_brace = n; break;
+	    case 'f': ind_first_open = n; break;
+	    case '{': ind_open_extra = n; break;
+	    case '}': ind_close_extra = n; break;
+	    case '^': ind_open_left_imag = n; break;
+	    case ':': ind_case = n; break;
+	    case '=': ind_case_code = n; break;
+	    case 'b': ind_case_break = n; break;
+	    case 'p': ind_param = n; break;
+	    case 't': ind_func_type = n; break;
+	    case '/': ind_comment = n; break;
+	    case 'c': ind_in_comment = n; break;
+	    case 'C': ind_in_comment2 = n; break;
+	    case 'i': ind_cpp_baseclass = n; break;
+	    case '+': ind_continuation = n; break;
+	    case '(': ind_unclosed = n; break;
+	    case 'u': ind_unclosed2 = n; break;
+	    case 'U': ind_unclosed_noignore = n; break;
+	    case 'W': ind_unclosed_wrapped = n; break;
+	    case 'w': ind_unclosed_whiteok = n; break;
+	    case 'm': ind_matching_paren = n; break;
+	    case ')': ind_maxparen = n; break;
+	    case '*': ind_maxcomment = n; break;
+	    case 'g': ind_scopedecl = n; break;
+	    case 'h': ind_scopedecl_code = n; break;
+	    case 'j': ind_java = n; break;
+	    case 'l': ind_keep_case_label = n; break;
+	}
+    }
+
+    /* remember where the cursor was when we started */
+    cur_curpos = curwin->w_cursor;
+
+    /* Get a copy of the current contents of the line.
+     * This is required, because only the most recent line obtained with
+     * ml_get is valid! */
+    linecopy = vim_strsave(ml_get(cur_curpos.lnum));
+    if (linecopy == NULL)
+	return 0;
+
+    /*
+     * In insert mode and the cursor is on a ')' truncate the line at the
+     * cursor position.  We don't want to line up with the matching '(' when
+     * inserting new stuff.
+     * For unknown reasons the cursor might be past the end of the line, thus
+     * check for that.
+     */
+    if ((State & INSERT)
+	    && curwin->w_cursor.col < STRLEN(linecopy)
+	    && linecopy[curwin->w_cursor.col] == ')')
+	linecopy[curwin->w_cursor.col] = NUL;
+
+    theline = skipwhite(linecopy);
+
+    /* move the cursor to the start of the line */
+
+    curwin->w_cursor.col = 0;
+
+    /*
+     * #defines and so on always go at the left when included in 'cinkeys'.
+     */
+    if (*theline == '#' && (*linecopy == '#' || in_cinkeys('#', ' ', TRUE)))
+    {
+	amount = 0;
+    }
+
+    /*
+     * Is it a non-case label?	Then that goes at the left margin too.
+     */
+    else if (cin_islabel(ind_maxcomment))	    /* XXX */
+    {
+	amount = 0;
+    }
+
+    /*
+     * If we're inside a "//" comment and there is a "//" comment in a
+     * previous line, lineup with that one.
+     */
+    else if (cin_islinecomment(theline)
+	    && (trypos = find_line_comment()) != NULL) /* XXX */
+    {
+	/* find how indented the line beginning the comment is */
+	getvcol(curwin, trypos, &col, NULL, NULL);
+	amount = col;
+    }
+
+    /*
+     * If we're inside a comment and not looking at the start of the
+     * comment, try using the 'comments' option.
+     */
+    else if (!cin_iscomment(theline)
+	    && (trypos = find_start_comment(ind_maxcomment)) != NULL) /* XXX */
+    {
+	int	lead_start_len = 2;
+	int	lead_middle_len = 1;
+	char_u	lead_start[COM_MAX_LEN];	/* start-comment string */
+	char_u	lead_middle[COM_MAX_LEN];	/* middle-comment string */
+	char_u	lead_end[COM_MAX_LEN];		/* end-comment string */
+	char_u	*p;
+	int	start_align = 0;
+	int	start_off = 0;
+	int	done = FALSE;
+
+	/* find how indented the line beginning the comment is */
+	getvcol(curwin, trypos, &col, NULL, NULL);
+	amount = col;
+
+	p = curbuf->b_p_com;
+	while (*p != NUL)
+	{
+	    int	align = 0;
+	    int	off = 0;
+	    int what = 0;
+
+	    while (*p != NUL && *p != ':')
+	    {
+		if (*p == COM_START || *p == COM_END || *p == COM_MIDDLE)
+		    what = *p++;
+		else if (*p == COM_LEFT || *p == COM_RIGHT)
+		    align = *p++;
+		else if (VIM_ISDIGIT(*p) || *p == '-')
+		    off = getdigits(&p);
+		else
+		    ++p;
+	    }
+
+	    if (*p == ':')
+		++p;
+	    (void)copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
+	    if (what == COM_START)
+	    {
+		STRCPY(lead_start, lead_end);
+		lead_start_len = (int)STRLEN(lead_start);
+		start_off = off;
+		start_align = align;
+	    }
+	    else if (what == COM_MIDDLE)
+	    {
+		STRCPY(lead_middle, lead_end);
+		lead_middle_len = (int)STRLEN(lead_middle);
+	    }
+	    else if (what == COM_END)
+	    {
+		/* If our line starts with the middle comment string, line it
+		 * up with the comment opener per the 'comments' option. */
+		if (STRNCMP(theline, lead_middle, lead_middle_len) == 0
+			&& STRNCMP(theline, lead_end, STRLEN(lead_end)) != 0)
+		{
+		    done = TRUE;
+		    if (curwin->w_cursor.lnum > 1)
+		    {
+			/* If the start comment string matches in the previous
+			 * line, use the indent of that line pluss offset.  If
+			 * the middle comment string matches in the previous
+			 * line, use the indent of that line.  XXX */
+			look = skipwhite(ml_get(curwin->w_cursor.lnum - 1));
+			if (STRNCMP(look, lead_start, lead_start_len) == 0)
+			    amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
+			else if (STRNCMP(look, lead_middle,
+							lead_middle_len) == 0)
+			{
+			    amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
+			    break;
+			}
+			/* If the start comment string doesn't match with the
+			 * start of the comment, skip this entry. XXX */
+			else if (STRNCMP(ml_get(trypos->lnum) + trypos->col,
+					     lead_start, lead_start_len) != 0)
+			    continue;
+		    }
+		    if (start_off != 0)
+			amount += start_off;
+		    else if (start_align == COM_RIGHT)
+			amount += lead_start_len - lead_middle_len;
+		    break;
+		}
+
+		/* If our line starts with the end comment string, line it up
+		 * with the middle comment */
+		if (STRNCMP(theline, lead_middle, lead_middle_len) != 0
+			&& STRNCMP(theline, lead_end, STRLEN(lead_end)) == 0)
+		{
+		    amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
+								     /* XXX */
+		    if (off != 0)
+			amount += off;
+		    else if (align == COM_RIGHT)
+			amount += lead_start_len - lead_middle_len;
+		    done = TRUE;
+		    break;
+		}
+	    }
+	}
+
+	/* If our line starts with an asterisk, line up with the
+	 * asterisk in the comment opener; otherwise, line up
+	 * with the first character of the comment text.
+	 */
+	if (done)
+	    ;
+	else if (theline[0] == '*')
+	    amount += 1;
+	else
+	{
+	    /*
+	     * If we are more than one line away from the comment opener, take
+	     * the indent of the previous non-empty line.  If 'cino' has "CO"
+	     * and we are just below the comment opener and there are any
+	     * white characters after it line up with the text after it;
+	     * otherwise, add the amount specified by "c" in 'cino'
+	     */
+	    amount = -1;
+	    for (lnum = cur_curpos.lnum - 1; lnum > trypos->lnum; --lnum)
+	    {
+		if (linewhite(lnum))		    /* skip blank lines */
+		    continue;
+		amount = get_indent_lnum(lnum);	    /* XXX */
+		break;
+	    }
+	    if (amount == -1)			    /* use the comment opener */
+	    {
+		if (!ind_in_comment2)
+		{
+		    start = ml_get(trypos->lnum);
+		    look = start + trypos->col + 2; /* skip / and * */
+		    if (*look != NUL)		    /* if something after it */
+			trypos->col = (colnr_T)(skipwhite(look) - start);
+		}
+		getvcol(curwin, trypos, &col, NULL, NULL);
+		amount = col;
+		if (ind_in_comment2 || *look == NUL)
+		    amount += ind_in_comment;
+	    }
+	}
+    }
+
+    /*
+     * Are we inside parentheses or braces?
+     */						    /* XXX */
+    else if (((trypos = find_match_paren(ind_maxparen, ind_maxcomment)) != NULL
+		&& ind_java == 0)
+	    || (tryposBrace = find_start_brace(ind_maxcomment)) != NULL
+	    || trypos != NULL)
+    {
+      if (trypos != NULL && tryposBrace != NULL)
+      {
+	  /* Both an unmatched '(' and '{' is found.  Use the one which is
+	   * closer to the current cursor position, set the other to NULL. */
+	  if (trypos->lnum != tryposBrace->lnum
+		  ? trypos->lnum < tryposBrace->lnum
+		  : trypos->col < tryposBrace->col)
+	      trypos = NULL;
+	  else
+	      tryposBrace = NULL;
+      }
+
+      if (trypos != NULL)
+      {
+	/*
+	 * If the matching paren is more than one line away, use the indent of
+	 * a previous non-empty line that matches the same paren.
+	 */
+	amount = -1;
+	cur_amount = MAXCOL;
+	our_paren_pos = *trypos;
+	for (lnum = cur_curpos.lnum - 1; lnum > our_paren_pos.lnum; --lnum)
+	{
+	    l = skipwhite(ml_get(lnum));
+	    if (cin_nocode(l))		/* skip comment lines */
+		continue;
+	    if (cin_ispreproc_cont(&l, &lnum))	/* ignore #defines, #if, etc. */
+		continue;
+	    curwin->w_cursor.lnum = lnum;
+
+	    /* Skip a comment. XXX */
+	    if ((trypos = find_start_comment(ind_maxcomment)) != NULL)
+	    {
+		lnum = trypos->lnum + 1;
+		continue;
+	    }
+
+	    /* XXX */
+	    if ((trypos = find_match_paren(
+			    corr_ind_maxparen(ind_maxparen, &cur_curpos),
+						      ind_maxcomment)) != NULL
+		    && trypos->lnum == our_paren_pos.lnum
+		    && trypos->col == our_paren_pos.col)
+	    {
+		    amount = get_indent_lnum(lnum);	/* XXX */
+
+		    if (theline[0] == ')')
+		    {
+			if (our_paren_pos.lnum != lnum && cur_amount > amount)
+			    cur_amount = amount;
+			amount = -1;
+		    }
+		break;
+	    }
+	}
+
+	/*
+	 * Line up with line where the matching paren is. XXX
+	 * If the line starts with a '(' or the indent for unclosed
+	 * parentheses is zero, line up with the unclosed parentheses.
+	 */
+	if (amount == -1)
+	{
+	    amount = skip_label(our_paren_pos.lnum, &look, ind_maxcomment);
+	    if (theline[0] == ')' || ind_unclosed == 0
+		       || (!ind_unclosed_noignore && *skipwhite(look) == '('))
+	    {
+		/*
+		 * If we're looking at a close paren, line up right there;
+		 * otherwise, line up with the next (non-white) character.
+		 * When ind_unclosed_wrapped is set and the matching paren is
+		 * the last nonwhite character of the line, use either the
+		 * indent of the current line or the indentation of the next
+		 * outer paren and add ind_unclosed_wrapped (for very long
+		 * lines).
+		 */
+		if (theline[0] != ')')
+		{
+		    cur_amount = MAXCOL;
+		    l = ml_get(our_paren_pos.lnum);
+		    if (ind_unclosed_wrapped
+				       && cin_ends_in(l, (char_u *)"(", NULL))
+		    {
+			/* look for opening unmatched paren, indent one level
+			 * for each additional level */
+			n = 1;
+			for (col = 0; col < our_paren_pos.col; ++col)
+			{
+			    switch (l[col])
+			    {
+				case '(':
+				case '{': ++n;
+					  break;
+
+				case ')':
+				case '}': if (n > 1)
+					      --n;
+					  break;
+			    }
+			}
+
+			our_paren_pos.col = 0;
+			amount += n * ind_unclosed_wrapped;
+		    }
+		    else if (ind_unclosed_whiteok)
+			our_paren_pos.col++;
+		    else
+		    {
+			col = our_paren_pos.col + 1;
+			while (vim_iswhite(l[col]))
+			    col++;
+			if (l[col] != NUL)	/* In case of trailing space */
+			    our_paren_pos.col = col;
+			else
+			    our_paren_pos.col++;
+		    }
+		}
+
+		/*
+		 * Find how indented the paren is, or the character after it
+		 * if we did the above "if".
+		 */
+		if (our_paren_pos.col > 0)
+		{
+		    getvcol(curwin, &our_paren_pos, &col, NULL, NULL);
+		    if (cur_amount > (int)col)
+			cur_amount = col;
+		}
+	    }
+
+	    if (theline[0] == ')' && ind_matching_paren)
+	    {
+		/* Line up with the start of the matching paren line. */
+	    }
+	    else if (ind_unclosed == 0 || (!ind_unclosed_noignore
+						  && *skipwhite(look) == '('))
+	    {
+		if (cur_amount != MAXCOL)
+		    amount = cur_amount;
+	    }
+	    else
+	    {
+		/* add ind_unclosed2 for each '(' before our matching one */
+		col = our_paren_pos.col;
+		while (our_paren_pos.col > 0)
+		{
+		    --our_paren_pos.col;
+		    switch (*ml_get_pos(&our_paren_pos))
+		    {
+			case '(': amount += ind_unclosed2;
+				  col = our_paren_pos.col;
+				  break;
+			case ')': amount -= ind_unclosed2;
+				  col = MAXCOL;
+				  break;
+		    }
+		}
+
+		/* Use ind_unclosed once, when the first '(' is not inside
+		 * braces */
+		if (col == MAXCOL)
+		    amount += ind_unclosed;
+		else
+		{
+		    curwin->w_cursor.lnum = our_paren_pos.lnum;
+		    curwin->w_cursor.col = col;
+		    if ((trypos = find_match_paren(ind_maxparen,
+						     ind_maxcomment)) != NULL)
+			amount += ind_unclosed2;
+		    else
+			amount += ind_unclosed;
+		}
+		/*
+		 * For a line starting with ')' use the minimum of the two
+		 * positions, to avoid giving it more indent than the previous
+		 * lines:
+		 *  func_long_name(		    if (x
+		 *	arg				    && yy
+		 *	)	  ^ not here	       )    ^ not here
+		 */
+		if (cur_amount < amount)
+		    amount = cur_amount;
+	    }
+	}
+
+	/* add extra indent for a comment */
+	if (cin_iscomment(theline))
+	    amount += ind_comment;
+      }
+
+      /*
+       * Are we at least inside braces, then?
+       */
+      else
+      {
+	trypos = tryposBrace;
+
+	ourscope = trypos->lnum;
+	start = ml_get(ourscope);
+
+	/*
+	 * Now figure out how indented the line is in general.
+	 * If the brace was at the start of the line, we use that;
+	 * otherwise, check out the indentation of the line as
+	 * a whole and then add the "imaginary indent" to that.
+	 */
+	look = skipwhite(start);
+	if (*look == '{')
+	{
+	    getvcol(curwin, trypos, &col, NULL, NULL);
+	    amount = col;
+	    if (*start == '{')
+		start_brace = BRACE_IN_COL0;
+	    else
+		start_brace = BRACE_AT_START;
+	}
+	else
+	{
+	    /*
+	     * that opening brace might have been on a continuation
+	     * line.  if so, find the start of the line.
+	     */
+	    curwin->w_cursor.lnum = ourscope;
+
+	    /*
+	     * position the cursor over the rightmost paren, so that
+	     * matching it will take us back to the start of the line.
+	     */
+	    lnum = ourscope;
+	    if (find_last_paren(start, '(', ')')
+		    && (trypos = find_match_paren(ind_maxparen,
+						     ind_maxcomment)) != NULL)
+		lnum = trypos->lnum;
+
+	    /*
+	     * It could have been something like
+	     *	   case 1: if (asdf &&
+	     *			ldfd) {
+	     *		    }
+	     */
+	    if (ind_keep_case_label && cin_iscase(skipwhite(ml_get_curline())))
+		amount = get_indent();
+	    else
+		amount = skip_label(lnum, &l, ind_maxcomment);
+
+	    start_brace = BRACE_AT_END;
+	}
+
+	/*
+	 * if we're looking at a closing brace, that's where
+	 * we want to be.  otherwise, add the amount of room
+	 * that an indent is supposed to be.
+	 */
+	if (theline[0] == '}')
+	{
+	    /*
+	     * they may want closing braces to line up with something
+	     * other than the open brace.  indulge them, if so.
+	     */
+	    amount += ind_close_extra;
+	}
+	else
+	{
+	    /*
+	     * If we're looking at an "else", try to find an "if"
+	     * to match it with.
+	     * If we're looking at a "while", try to find a "do"
+	     * to match it with.
+	     */
+	    lookfor = LOOKFOR_INITIAL;
+	    if (cin_iselse(theline))
+		lookfor = LOOKFOR_IF;
+	    else if (cin_iswhileofdo(theline, cur_curpos.lnum, ind_maxparen))
+								    /* XXX */
+		lookfor = LOOKFOR_DO;
+	    if (lookfor != LOOKFOR_INITIAL)
+	    {
+		curwin->w_cursor.lnum = cur_curpos.lnum;
+		if (find_match(lookfor, ourscope, ind_maxparen,
+							ind_maxcomment) == OK)
+		{
+		    amount = get_indent();	/* XXX */
+		    goto theend;
+		}
+	    }
+
+	    /*
+	     * We get here if we are not on an "while-of-do" or "else" (or
+	     * failed to find a matching "if").
+	     * Search backwards for something to line up with.
+	     * First set amount for when we don't find anything.
+	     */
+
+	    /*
+	     * if the '{' is  _really_ at the left margin, use the imaginary
+	     * location of a left-margin brace.  Otherwise, correct the
+	     * location for ind_open_extra.
+	     */
+
+	    if (start_brace == BRACE_IN_COL0)	    /* '{' is in column 0 */
+	    {
+		amount = ind_open_left_imag;
+	    }
+	    else
+	    {
+		if (start_brace == BRACE_AT_END)    /* '{' is at end of line */
+		    amount += ind_open_imag;
+		else
+		{
+		    /* Compensate for adding ind_open_extra later. */
+		    amount -= ind_open_extra;
+		    if (amount < 0)
+			amount = 0;
+		}
+	    }
+
+	    lookfor_break = FALSE;
+
+	    if (cin_iscase(theline))	/* it's a switch() label */
+	    {
+		lookfor = LOOKFOR_CASE;	/* find a previous switch() label */
+		amount += ind_case;
+	    }
+	    else if (cin_isscopedecl(theline))	/* private:, ... */
+	    {
+		lookfor = LOOKFOR_SCOPEDECL;	/* class decl is this block */
+		amount += ind_scopedecl;
+	    }
+	    else
+	    {
+		if (ind_case_break && cin_isbreak(theline))	/* break; ... */
+		    lookfor_break = TRUE;
+
+		lookfor = LOOKFOR_INITIAL;
+		amount += ind_level;	/* ind_level from start of block */
+	    }
+	    scope_amount = amount;
+	    whilelevel = 0;
+
+	    /*
+	     * Search backwards.  If we find something we recognize, line up
+	     * with that.
+	     *
+	     * if we're looking at an open brace, indent
+	     * the usual amount relative to the conditional
+	     * that opens the block.
+	     */
+	    curwin->w_cursor = cur_curpos;
+	    for (;;)
+	    {
+		curwin->w_cursor.lnum--;
+		curwin->w_cursor.col = 0;
+
+		/*
+		 * If we went all the way back to the start of our scope, line
+		 * up with it.
+		 */
+		if (curwin->w_cursor.lnum <= ourscope)
+		{
+		    /* we reached end of scope:
+		     * if looking for a enum or structure initialization
+		     * go further back:
+		     * if it is an initializer (enum xxx or xxx =), then
+		     * don't add ind_continuation, otherwise it is a variable
+		     * declaration:
+		     * int x,
+		     *     here; <-- add ind_continuation
+		     */
+		    if (lookfor == LOOKFOR_ENUM_OR_INIT)
+		    {
+			if (curwin->w_cursor.lnum == 0
+				|| curwin->w_cursor.lnum
+						    < ourscope - ind_maxparen)
+			{
+			    /* nothing found (abuse ind_maxparen as limit)
+			     * assume terminated line (i.e. a variable
+			     * initialization) */
+			    if (cont_amount > 0)
+				amount = cont_amount;
+			    else
+				amount += ind_continuation;
+			    break;
+			}
+
+			l = ml_get_curline();
+
+			/*
+			 * If we're in a comment now, skip to the start of the
+			 * comment.
+			 */
+			trypos = find_start_comment(ind_maxcomment);
+			if (trypos != NULL)
+			{
+			    curwin->w_cursor.lnum = trypos->lnum + 1;
+			    continue;
+			}
+
+			/*
+			 * Skip preprocessor directives and blank lines.
+			 */
+			if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum))
+			    continue;
+
+			if (cin_nocode(l))
+			    continue;
+
+			terminated = cin_isterminated(l, FALSE, TRUE);
+
+			/*
+			 * If we are at top level and the line looks like a
+			 * function declaration, we are done
+			 * (it's a variable declaration).
+			 */
+			if (start_brace != BRACE_IN_COL0
+				|| !cin_isfuncdecl(&l, curwin->w_cursor.lnum))
+			{
+			    /* if the line is terminated with another ','
+			     * it is a continued variable initialization.
+			     * don't add extra indent.
+			     * TODO: does not work, if  a function
+			     * declaration is split over multiple lines:
+			     * cin_isfuncdecl returns FALSE then.
+			     */
+			    if (terminated == ',')
+				break;
+
+			    /* if it es a enum declaration or an assignment,
+			     * we are done.
+			     */
+			    if (terminated != ';' && cin_isinit())
+				break;
+
+			    /* nothing useful found */
+			    if (terminated == 0 || terminated == '{')
+				continue;
+			}
+
+			if (terminated != ';')
+			{
+			    /* Skip parens and braces. Position the cursor
+			     * over the rightmost paren, so that matching it
+			     * will take us back to the start of the line.
+			     */					/* XXX */
+			    trypos = NULL;
+			    if (find_last_paren(l, '(', ')'))
+				trypos = find_match_paren(ind_maxparen,
+					ind_maxcomment);
+
+			    if (trypos == NULL && find_last_paren(l, '{', '}'))
+				trypos = find_start_brace(ind_maxcomment);
+
+			    if (trypos != NULL)
+			    {
+				curwin->w_cursor.lnum = trypos->lnum + 1;
+				continue;
+			    }
+			}
+
+			/* it's a variable declaration, add indentation
+			 * like in
+			 * int a,
+			 *    b;
+			 */
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+		    }
+		    else if (lookfor == LOOKFOR_UNTERM)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+		    }
+		    else if (lookfor != LOOKFOR_TERM
+					  && lookfor != LOOKFOR_CPP_BASECLASS)
+		    {
+			amount = scope_amount;
+			if (theline[0] == '{')
+			    amount += ind_open_extra;
+		    }
+		    break;
+		}
+
+		/*
+		 * If we're in a comment now, skip to the start of the comment.
+		 */					    /* XXX */
+		if ((trypos = find_start_comment(ind_maxcomment)) != NULL)
+		{
+		    curwin->w_cursor.lnum = trypos->lnum + 1;
+		    continue;
+		}
+
+		l = ml_get_curline();
+
+		/*
+		 * If this is a switch() label, may line up relative to that.
+		 * if this is a C++ scope declaration, do the same.
+		 */
+		iscase = cin_iscase(l);
+		if (iscase || cin_isscopedecl(l))
+		{
+		    /* we are only looking for cpp base class
+		     * declaration/initialization any longer */
+		    if (lookfor == LOOKFOR_CPP_BASECLASS)
+			break;
+
+		    /* When looking for a "do" we are not interested in
+		     * labels. */
+		    if (whilelevel > 0)
+			continue;
+
+		    /*
+		     *	case xx:
+		     *	    c = 99 +	    <- this indent plus continuation
+		     *->	   here;
+		     */
+		    if (lookfor == LOOKFOR_UNTERM
+					   || lookfor == LOOKFOR_ENUM_OR_INIT)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+			break;
+		    }
+
+		    /*
+		     *	case xx:	<- line up with this case
+		     *	    x = 333;
+		     *	case yy:
+		     */
+		    if (       (iscase && lookfor == LOOKFOR_CASE)
+			    || (iscase && lookfor_break)
+			    || (!iscase && lookfor == LOOKFOR_SCOPEDECL))
+		    {
+			/*
+			 * Check that this case label is not for another
+			 * switch()
+			 */				    /* XXX */
+			if ((trypos = find_start_brace(ind_maxcomment)) ==
+					     NULL || trypos->lnum == ourscope)
+			{
+			    amount = get_indent();	/* XXX */
+			    break;
+			}
+			continue;
+		    }
+
+		    n = get_indent_nolabel(curwin->w_cursor.lnum);  /* XXX */
+
+		    /*
+		     *	 case xx: if (cond)	    <- line up with this if
+		     *		      y = y + 1;
+		     * ->	  s = 99;
+		     *
+		     *	 case xx:
+		     *	     if (cond)		<- line up with this line
+		     *		 y = y + 1;
+		     * ->    s = 99;
+		     */
+		    if (lookfor == LOOKFOR_TERM)
+		    {
+			if (n)
+			    amount = n;
+
+			if (!lookfor_break)
+			    break;
+		    }
+
+		    /*
+		     *	 case xx: x = x + 1;	    <- line up with this x
+		     * ->	  y = y + 1;
+		     *
+		     *	 case xx: if (cond)	    <- line up with this if
+		     * ->	       y = y + 1;
+		     */
+		    if (n)
+		    {
+			amount = n;
+			l = after_label(ml_get_curline());
+			if (l != NULL && cin_is_cinword(l))
+			    amount += ind_level + ind_no_brace;
+			break;
+		    }
+
+		    /*
+		     * Try to get the indent of a statement before the switch
+		     * label.  If nothing is found, line up relative to the
+		     * switch label.
+		     *	    break;		<- may line up with this line
+		     *	 case xx:
+		     * ->   y = 1;
+		     */
+		    scope_amount = get_indent() + (iscase    /* XXX */
+					? ind_case_code : ind_scopedecl_code);
+		    lookfor = ind_case_break ? LOOKFOR_NOBREAK : LOOKFOR_ANY;
+		    continue;
+		}
+
+		/*
+		 * Looking for a switch() label or C++ scope declaration,
+		 * ignore other lines, skip {}-blocks.
+		 */
+		if (lookfor == LOOKFOR_CASE || lookfor == LOOKFOR_SCOPEDECL)
+		{
+		    if (find_last_paren(l, '{', '}') && (trypos =
+				    find_start_brace(ind_maxcomment)) != NULL)
+			curwin->w_cursor.lnum = trypos->lnum + 1;
+		    continue;
+		}
+
+		/*
+		 * Ignore jump labels with nothing after them.
+		 */
+		if (cin_islabel(ind_maxcomment))
+		{
+		    l = after_label(ml_get_curline());
+		    if (l == NULL || cin_nocode(l))
+			continue;
+		}
+
+		/*
+		 * Ignore #defines, #if, etc.
+		 * Ignore comment and empty lines.
+		 * (need to get the line again, cin_islabel() may have
+		 * unlocked it)
+		 */
+		l = ml_get_curline();
+		if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum)
+							     || cin_nocode(l))
+		    continue;
+
+		/*
+		 * Are we at the start of a cpp base class declaration or
+		 * constructor initialization?
+		 */						    /* XXX */
+		if (lookfor != LOOKFOR_TERM && ind_cpp_baseclass
+					     && cin_is_cpp_baseclass(l, &col))
+		{
+		    if (lookfor == LOOKFOR_UNTERM)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+		    }
+		    else if (col == 0 || theline[0] == '{')
+		    {
+			amount = get_indent();
+			if (find_last_paren(l, '(', ')')
+				&& (trypos = find_match_paren(ind_maxparen,
+					ind_maxcomment)) != NULL)
+			    amount = get_indent_lnum(trypos->lnum); /* XXX */
+			if (theline[0] != '{')
+			    amount += ind_cpp_baseclass;
+		    }
+		    else
+		    {
+			curwin->w_cursor.col = col;
+			getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
+			amount = (int)col;
+		    }
+		    break;
+		}
+		else if (lookfor == LOOKFOR_CPP_BASECLASS)
+		{
+		    /* only look, whether there is a cpp base class
+		     * declaration or initialization before the opening brace. */
+		    if (cin_isterminated(l, TRUE, FALSE))
+			break;
+		    else
+			continue;
+		}
+
+		/*
+		 * What happens next depends on the line being terminated.
+		 * If terminated with a ',' only consider it terminating if
+		 * there is anoter unterminated statement behind, eg:
+		 *   123,
+		 *   sizeof
+		 *	  here
+		 * Otherwise check whether it is a enumeration or structure
+		 * initialisation (not indented) or a variable declaration
+		 * (indented).
+		 */
+		terminated = cin_isterminated(l, FALSE, TRUE);
+
+		if (terminated == 0 || (lookfor != LOOKFOR_UNTERM
+							&& terminated == ','))
+		{
+		    /*
+		     * if we're in the middle of a paren thing,
+		     * go back to the line that starts it so
+		     * we can get the right prevailing indent
+		     *	   if ( foo &&
+		     *		    bar )
+		     */
+		    /*
+		     * position the cursor over the rightmost paren, so that
+		     * matching it will take us back to the start of the line.
+		     */
+		    (void)find_last_paren(l, '(', ')');
+		    trypos = find_match_paren(
+				 corr_ind_maxparen(ind_maxparen, &cur_curpos),
+							      ind_maxcomment);
+
+		    /*
+		     * If we are looking for ',', we also look for matching
+		     * braces.
+		     */
+		    if (trypos == NULL && find_last_paren(l, '{', '}'))
+			trypos = find_start_brace(ind_maxcomment);
+
+		    if (trypos != NULL)
+		    {
+			/*
+			 * Check if we are on a case label now.  This is
+			 * handled above.
+			 *     case xx:  if ( asdf &&
+			 *			asdf)
+			 */
+			curwin->w_cursor.lnum = trypos->lnum;
+			l = ml_get_curline();
+			if (cin_iscase(l) || cin_isscopedecl(l))
+			{
+			    ++curwin->w_cursor.lnum;
+			    continue;
+			}
+		    }
+
+		    /*
+		     * Skip over continuation lines to find the one to get the
+		     * indent from
+		     * char *usethis = "bla\
+		     *		 bla",
+		     *      here;
+		     */
+		    if (terminated == ',')
+		    {
+			while (curwin->w_cursor.lnum > 1)
+			{
+			    l = ml_get(curwin->w_cursor.lnum - 1);
+			    if (*l == NUL || l[STRLEN(l) - 1] != '\\')
+				break;
+			    --curwin->w_cursor.lnum;
+			}
+		    }
+
+		    /*
+		     * Get indent and pointer to text for current line,
+		     * ignoring any jump label.	    XXX
+		     */
+		    cur_amount = skip_label(curwin->w_cursor.lnum,
+							  &l, ind_maxcomment);
+
+		    /*
+		     * If this is just above the line we are indenting, and it
+		     * starts with a '{', line it up with this line.
+		     *		while (not)
+		     * ->	{
+		     *		}
+		     */
+		    if (terminated != ',' && lookfor != LOOKFOR_TERM
+							 && theline[0] == '{')
+		    {
+			amount = cur_amount;
+			/*
+			 * Only add ind_open_extra when the current line
+			 * doesn't start with a '{', which must have a match
+			 * in the same line (scope is the same).  Probably:
+			 *	{ 1, 2 },
+			 * ->	{ 3, 4 }
+			 */
+			if (*skipwhite(l) != '{')
+			    amount += ind_open_extra;
+
+			if (ind_cpp_baseclass)
+			{
+			    /* have to look back, whether it is a cpp base
+			     * class declaration or initialization */
+			    lookfor = LOOKFOR_CPP_BASECLASS;
+			    continue;
+			}
+			break;
+		    }
+
+		    /*
+		     * Check if we are after an "if", "while", etc.
+		     * Also allow "   } else".
+		     */
+		    if (cin_is_cinword(l) || cin_iselse(skipwhite(l)))
+		    {
+			/*
+			 * Found an unterminated line after an if (), line up
+			 * with the last one.
+			 *   if (cond)
+			 *	    100 +
+			 * ->		here;
+			 */
+			if (lookfor == LOOKFOR_UNTERM
+					   || lookfor == LOOKFOR_ENUM_OR_INIT)
+			{
+			    if (cont_amount > 0)
+				amount = cont_amount;
+			    else
+				amount += ind_continuation;
+			    break;
+			}
+
+			/*
+			 * If this is just above the line we are indenting, we
+			 * are finished.
+			 *	    while (not)
+			 * ->		here;
+			 * Otherwise this indent can be used when the line
+			 * before this is terminated.
+			 *	yyy;
+			 *	if (stat)
+			 *	    while (not)
+			 *		xxx;
+			 * ->	here;
+			 */
+			amount = cur_amount;
+			if (theline[0] == '{')
+			    amount += ind_open_extra;
+			if (lookfor != LOOKFOR_TERM)
+			{
+			    amount += ind_level + ind_no_brace;
+			    break;
+			}
+
+			/*
+			 * Special trick: when expecting the while () after a
+			 * do, line up with the while()
+			 *     do
+			 *	    x = 1;
+			 * ->  here
+			 */
+			l = skipwhite(ml_get_curline());
+			if (cin_isdo(l))
+			{
+			    if (whilelevel == 0)
+				break;
+			    --whilelevel;
+			}
+
+			/*
+			 * When searching for a terminated line, don't use the
+			 * one between the "if" and the "else".
+			 * Need to use the scope of this "else".  XXX
+			 * If whilelevel != 0 continue looking for a "do {".
+			 */
+			if (cin_iselse(l)
+				&& whilelevel == 0
+				&& ((trypos = find_start_brace(ind_maxcomment))
+								    == NULL
+				    || find_match(LOOKFOR_IF, trypos->lnum,
+					ind_maxparen, ind_maxcomment) == FAIL))
+			    break;
+		    }
+
+		    /*
+		     * If we're below an unterminated line that is not an
+		     * "if" or something, we may line up with this line or
+		     * add someting for a continuation line, depending on
+		     * the line before this one.
+		     */
+		    else
+		    {
+			/*
+			 * Found two unterminated lines on a row, line up with
+			 * the last one.
+			 *   c = 99 +
+			 *	    100 +
+			 * ->	    here;
+			 */
+			if (lookfor == LOOKFOR_UNTERM)
+			{
+			    /* When line ends in a comma add extra indent */
+			    if (terminated == ',')
+				amount += ind_continuation;
+			    break;
+			}
+
+			if (lookfor == LOOKFOR_ENUM_OR_INIT)
+			{
+			    /* Found two lines ending in ',', lineup with the
+			     * lowest one, but check for cpp base class
+			     * declaration/initialization, if it is an
+			     * opening brace or we are looking just for
+			     * enumerations/initializations. */
+			    if (terminated == ',')
+			    {
+				if (ind_cpp_baseclass == 0)
+				    break;
+
+				lookfor = LOOKFOR_CPP_BASECLASS;
+				continue;
+			    }
+
+			    /* Ignore unterminated lines in between, but
+			     * reduce indent. */
+			    if (amount > cur_amount)
+				amount = cur_amount;
+			}
+			else
+			{
+			    /*
+			     * Found first unterminated line on a row, may
+			     * line up with this line, remember its indent
+			     *	    100 +
+			     * ->	    here;
+			     */
+			    amount = cur_amount;
+
+			    /*
+			     * If previous line ends in ',', check whether we
+			     * are in an initialization or enum
+			     * struct xxx =
+			     * {
+			     *      sizeof a,
+			     *      124 };
+			     * or a normal possible continuation line.
+			     * but only, of no other statement has been found
+			     * yet.
+			     */
+			    if (lookfor == LOOKFOR_INITIAL && terminated == ',')
+			    {
+				lookfor = LOOKFOR_ENUM_OR_INIT;
+				cont_amount = cin_first_id_amount();
+			    }
+			    else
+			    {
+				if (lookfor == LOOKFOR_INITIAL
+					&& *l != NUL
+					&& l[STRLEN(l) - 1] == '\\')
+								/* XXX */
+				    cont_amount = cin_get_equal_amount(
+						       curwin->w_cursor.lnum);
+				if (lookfor != LOOKFOR_TERM)
+				    lookfor = LOOKFOR_UNTERM;
+			    }
+			}
+		    }
+		}
+
+		/*
+		 * Check if we are after a while (cond);
+		 * If so: Ignore until the matching "do".
+		 */
+							/* XXX */
+		else if (cin_iswhileofdo(l,
+					 curwin->w_cursor.lnum, ind_maxparen))
+		{
+		    /*
+		     * Found an unterminated line after a while ();, line up
+		     * with the last one.
+		     *	    while (cond);
+		     *	    100 +		<- line up with this one
+		     * ->	    here;
+		     */
+		    if (lookfor == LOOKFOR_UNTERM
+					   || lookfor == LOOKFOR_ENUM_OR_INIT)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+			break;
+		    }
+
+		    if (whilelevel == 0)
+		    {
+			lookfor = LOOKFOR_TERM;
+			amount = get_indent();	    /* XXX */
+			if (theline[0] == '{')
+			    amount += ind_open_extra;
+		    }
+		    ++whilelevel;
+		}
+
+		/*
+		 * We are after a "normal" statement.
+		 * If we had another statement we can stop now and use the
+		 * indent of that other statement.
+		 * Otherwise the indent of the current statement may be used,
+		 * search backwards for the next "normal" statement.
+		 */
+		else
+		{
+		    /*
+		     * Skip single break line, if before a switch label. It
+		     * may be lined up with the case label.
+		     */
+		    if (lookfor == LOOKFOR_NOBREAK
+				  && cin_isbreak(skipwhite(ml_get_curline())))
+		    {
+			lookfor = LOOKFOR_ANY;
+			continue;
+		    }
+
+		    /*
+		     * Handle "do {" line.
+		     */
+		    if (whilelevel > 0)
+		    {
+			l = cin_skipcomment(ml_get_curline());
+			if (cin_isdo(l))
+			{
+			    amount = get_indent();	/* XXX */
+			    --whilelevel;
+			    continue;
+			}
+		    }
+
+		    /*
+		     * Found a terminated line above an unterminated line. Add
+		     * the amount for a continuation line.
+		     *	 x = 1;
+		     *	 y = foo +
+		     * ->	here;
+		     * or
+		     *	 int x = 1;
+		     *	 int foo,
+		     * ->	here;
+		     */
+		    if (lookfor == LOOKFOR_UNTERM
+					   || lookfor == LOOKFOR_ENUM_OR_INIT)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+			break;
+		    }
+
+		    /*
+		     * Found a terminated line above a terminated line or "if"
+		     * etc. line. Use the amount of the line below us.
+		     *	 x = 1;				x = 1;
+		     *	 if (asdf)		    y = 2;
+		     *	     while (asdf)	  ->here;
+		     *		here;
+		     * ->foo;
+		     */
+		    if (lookfor == LOOKFOR_TERM)
+		    {
+			if (!lookfor_break && whilelevel == 0)
+			    break;
+		    }
+
+		    /*
+		     * First line above the one we're indenting is terminated.
+		     * To know what needs to be done look further backward for
+		     * a terminated line.
+		     */
+		    else
+		    {
+			/*
+			 * position the cursor over the rightmost paren, so
+			 * that matching it will take us back to the start of
+			 * the line.  Helps for:
+			 *     func(asdr,
+			 *	      asdfasdf);
+			 *     here;
+			 */
+term_again:
+			l = ml_get_curline();
+			if (find_last_paren(l, '(', ')')
+				&& (trypos = find_match_paren(ind_maxparen,
+						     ind_maxcomment)) != NULL)
+			{
+			    /*
+			     * Check if we are on a case label now.  This is
+			     * handled above.
+			     *	   case xx:  if ( asdf &&
+			     *			    asdf)
+			     */
+			    curwin->w_cursor.lnum = trypos->lnum;
+			    l = ml_get_curline();
+			    if (cin_iscase(l) || cin_isscopedecl(l))
+			    {
+				++curwin->w_cursor.lnum;
+				continue;
+			    }
+			}
+
+			/* When aligning with the case statement, don't align
+			 * with a statement after it.
+			 *  case 1: {   <-- don't use this { position
+			 *	stat;
+			 *  }
+			 *  case 2:
+			 *	stat;
+			 * }
+			 */
+			iscase = (ind_keep_case_label && cin_iscase(l));
+
+			/*
+			 * Get indent and pointer to text for current line,
+			 * ignoring any jump label.
+			 */
+			amount = skip_label(curwin->w_cursor.lnum,
+							  &l, ind_maxcomment);
+
+			if (theline[0] == '{')
+			    amount += ind_open_extra;
+			/* See remark above: "Only add ind_open_extra.." */
+			if (*skipwhite(l) == '{')
+			    amount -= ind_open_extra;
+			lookfor = iscase ? LOOKFOR_ANY : LOOKFOR_TERM;
+
+			/*
+			 * If we're at the end of a block, skip to the start of
+			 * that block.
+			 */
+			curwin->w_cursor.col = 0;
+			if (*cin_skipcomment(l) == '}'
+				&& (trypos = find_start_brace(ind_maxcomment))
+							    != NULL) /* XXX */
+			{
+			    curwin->w_cursor.lnum = trypos->lnum;
+			    /* if not "else {" check for terminated again */
+			    /* but skip block for "} else {" */
+			    l = cin_skipcomment(ml_get_curline());
+			    if (*l == '}' || !cin_iselse(l))
+				goto term_again;
+			    ++curwin->w_cursor.lnum;
+			}
+		    }
+		}
+	    }
+	}
+      }
+
+      /* add extra indent for a comment */
+      if (cin_iscomment(theline))
+	  amount += ind_comment;
+    }
+
+    /*
+     * ok -- we're not inside any sort of structure at all!
+     *
+     * this means we're at the top level, and everything should
+     * basically just match where the previous line is, except
+     * for the lines immediately following a function declaration,
+     * which are K&R-style parameters and need to be indented.
+     */
+    else
+    {
+	/*
+	 * if our line starts with an open brace, forget about any
+	 * prevailing indent and make sure it looks like the start
+	 * of a function
+	 */
+
+	if (theline[0] == '{')
+	{
+	    amount = ind_first_open;
+	}
+
+	/*
+	 * If the NEXT line is a function declaration, the current
+	 * line needs to be indented as a function type spec.
+	 * Don't do this if the current line looks like a comment
+	 * or if the current line is terminated, ie. ends in ';'.
+	 */
+	else if (cur_curpos.lnum < curbuf->b_ml.ml_line_count
+		&& !cin_nocode(theline)
+		&& !cin_ends_in(theline, (char_u *)":", NULL)
+		&& !cin_ends_in(theline, (char_u *)",", NULL)
+		&& cin_isfuncdecl(NULL, cur_curpos.lnum + 1)
+		&& !cin_isterminated(theline, FALSE, TRUE))
+	{
+	    amount = ind_func_type;
+	}
+	else
+	{
+	    amount = 0;
+	    curwin->w_cursor = cur_curpos;
+
+	    /* search backwards until we find something we recognize */
+
+	    while (curwin->w_cursor.lnum > 1)
+	    {
+		curwin->w_cursor.lnum--;
+		curwin->w_cursor.col = 0;
+
+		l = ml_get_curline();
+
+		/*
+		 * If we're in a comment now, skip to the start of the comment.
+		 */						/* XXX */
+		if ((trypos = find_start_comment(ind_maxcomment)) != NULL)
+		{
+		    curwin->w_cursor.lnum = trypos->lnum + 1;
+		    continue;
+		}
+
+		/*
+		 * Are we at the start of a cpp base class declaration or constructor
+		 * initialization?
+		 */						    /* XXX */
+		if (ind_cpp_baseclass != 0 && theline[0] != '{'
+					     && cin_is_cpp_baseclass(l, &col))
+		{
+		    if (col == 0)
+		    {
+			amount = get_indent() + ind_cpp_baseclass;  /* XXX */
+			if (find_last_paren(l, '(', ')')
+				&& (trypos = find_match_paren(ind_maxparen,
+					ind_maxcomment)) != NULL)
+			    amount = get_indent_lnum(trypos->lnum)
+					   + ind_cpp_baseclass;	    /* XXX */
+		    }
+		    else
+		    {
+			curwin->w_cursor.col = col;
+			getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
+			amount = (int)col;
+		    }
+		    break;
+		}
+
+		/*
+		 * Skip preprocessor directives and blank lines.
+		 */
+		if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum))
+		    continue;
+
+		if (cin_nocode(l))
+		    continue;
+
+		/*
+		 * If the previous line ends in ',', use one level of
+		 * indentation:
+		 * int foo,
+		 *     bar;
+		 * do this before checking for '}' in case of eg.
+		 * enum foobar
+		 * {
+		 *   ...
+		 * } foo,
+		 *   bar;
+		 */
+		n = 0;
+		if (cin_ends_in(l, (char_u *)",", NULL)
+			     || (*l != NUL && (n = l[STRLEN(l) - 1]) == '\\'))
+		{
+		    /* take us back to opening paren */
+		    if (find_last_paren(l, '(', ')')
+			    && (trypos = find_match_paren(ind_maxparen,
+						     ind_maxcomment)) != NULL)
+			curwin->w_cursor.lnum = trypos->lnum;
+
+		    /* For a line ending in ',' that is a continuation line go
+		     * back to the first line with a backslash:
+		     * char *foo = "bla\
+		     *		 bla",
+		     *      here;
+		     */
+		    while (n == 0 && curwin->w_cursor.lnum > 1)
+		    {
+			l = ml_get(curwin->w_cursor.lnum - 1);
+			if (*l == NUL || l[STRLEN(l) - 1] != '\\')
+			    break;
+			--curwin->w_cursor.lnum;
+		    }
+
+		    amount = get_indent();	    /* XXX */
+
+		    if (amount == 0)
+			amount = cin_first_id_amount();
+		    if (amount == 0)
+			amount = ind_continuation;
+		    break;
+		}
+
+		/*
+		 * If the line looks like a function declaration, and we're
+		 * not in a comment, put it the left margin.
+		 */
+		if (cin_isfuncdecl(NULL, cur_curpos.lnum))  /* XXX */
+		    break;
+		l = ml_get_curline();
+
+		/*
+		 * Finding the closing '}' of a previous function.  Put
+		 * current line at the left margin.  For when 'cino' has "fs".
+		 */
+		if (*skipwhite(l) == '}')
+		    break;
+
+		/*			    (matching {)
+		 * If the previous line ends on '};' (maybe followed by
+		 * comments) align at column 0.  For example:
+		 * char *string_array[] = { "foo",
+		 *     / * x * / "b};ar" }; / * foobar * /
+		 */
+		if (cin_ends_in(l, (char_u *)"};", NULL))
+		    break;
+
+		/*
+		 * If the PREVIOUS line is a function declaration, the current
+		 * line (and the ones that follow) needs to be indented as
+		 * parameters.
+		 */
+		if (cin_isfuncdecl(&l, curwin->w_cursor.lnum))
+		{
+		    amount = ind_param;
+		    break;
+		}
+
+		/*
+		 * If the previous line ends in ';' and the line before the
+		 * previous line ends in ',' or '\', ident to column zero:
+		 * int foo,
+		 *     bar;
+		 * indent_to_0 here;
+		 */
+		if (cin_ends_in(l, (char_u*)";", NULL))
+		{
+		    l = ml_get(curwin->w_cursor.lnum - 1);
+		    if (cin_ends_in(l, (char_u *)",", NULL)
+			    || (*l != NUL && l[STRLEN(l) - 1] == '\\'))
+			break;
+		    l = ml_get_curline();
+		}
+
+		/*
+		 * Doesn't look like anything interesting -- so just
+		 * use the indent of this line.
+		 *
+		 * Position the cursor over the rightmost paren, so that
+		 * matching it will take us back to the start of the line.
+		 */
+		find_last_paren(l, '(', ')');
+
+		if ((trypos = find_match_paren(ind_maxparen,
+						     ind_maxcomment)) != NULL)
+		    curwin->w_cursor.lnum = trypos->lnum;
+		amount = get_indent();	    /* XXX */
+		break;
+	    }
+
+	    /* add extra indent for a comment */
+	    if (cin_iscomment(theline))
+		amount += ind_comment;
+
+	    /* add extra indent if the previous line ended in a backslash:
+	     *	      "asdfasdf\
+	     *		  here";
+	     *	    char *foo = "asdf\
+	     *			 here";
+	     */
+	    if (cur_curpos.lnum > 1)
+	    {
+		l = ml_get(cur_curpos.lnum - 1);
+		if (*l != NUL && l[STRLEN(l) - 1] == '\\')
+		{
+		    cur_amount = cin_get_equal_amount(cur_curpos.lnum - 1);
+		    if (cur_amount > 0)
+			amount = cur_amount;
+		    else if (cur_amount == 0)
+			amount += ind_continuation;
+		}
+	    }
+	}
+    }
+
+theend:
+    /* put the cursor back where it belongs */
+    curwin->w_cursor = cur_curpos;
+
+    vim_free(linecopy);
+
+    if (amount < 0)
+	return 0;
+    return amount;
+}
+
+    static int
+find_match(lookfor, ourscope, ind_maxparen, ind_maxcomment)
+    int		lookfor;
+    linenr_T	ourscope;
+    int		ind_maxparen;
+    int		ind_maxcomment;
+{
+    char_u	*look;
+    pos_T	*theirscope;
+    char_u	*mightbeif;
+    int		elselevel;
+    int		whilelevel;
+
+    if (lookfor == LOOKFOR_IF)
+    {
+	elselevel = 1;
+	whilelevel = 0;
+    }
+    else
+    {
+	elselevel = 0;
+	whilelevel = 1;
+    }
+
+    curwin->w_cursor.col = 0;
+
+    while (curwin->w_cursor.lnum > ourscope + 1)
+    {
+	curwin->w_cursor.lnum--;
+	curwin->w_cursor.col = 0;
+
+	look = cin_skipcomment(ml_get_curline());
+	if (cin_iselse(look)
+		|| cin_isif(look)
+		|| cin_isdo(look)			    /* XXX */
+		|| cin_iswhileofdo(look, curwin->w_cursor.lnum, ind_maxparen))
+	{
+	    /*
+	     * if we've gone outside the braces entirely,
+	     * we must be out of scope...
+	     */
+	    theirscope = find_start_brace(ind_maxcomment);  /* XXX */
+	    if (theirscope == NULL)
+		break;
+
+	    /*
+	     * and if the brace enclosing this is further
+	     * back than the one enclosing the else, we're
+	     * out of luck too.
+	     */
+	    if (theirscope->lnum < ourscope)
+		break;
+
+	    /*
+	     * and if they're enclosed in a *deeper* brace,
+	     * then we can ignore it because it's in a
+	     * different scope...
+	     */
+	    if (theirscope->lnum > ourscope)
+		continue;
+
+	    /*
+	     * if it was an "else" (that's not an "else if")
+	     * then we need to go back to another if, so
+	     * increment elselevel
+	     */
+	    look = cin_skipcomment(ml_get_curline());
+	    if (cin_iselse(look))
+	    {
+		mightbeif = cin_skipcomment(look + 4);
+		if (!cin_isif(mightbeif))
+		    ++elselevel;
+		continue;
+	    }
+
+	    /*
+	     * if it was a "while" then we need to go back to
+	     * another "do", so increment whilelevel.  XXX
+	     */
+	    if (cin_iswhileofdo(look, curwin->w_cursor.lnum, ind_maxparen))
+	    {
+		++whilelevel;
+		continue;
+	    }
+
+	    /* If it's an "if" decrement elselevel */
+	    look = cin_skipcomment(ml_get_curline());
+	    if (cin_isif(look))
+	    {
+		elselevel--;
+		/*
+		 * When looking for an "if" ignore "while"s that
+		 * get in the way.
+		 */
+		if (elselevel == 0 && lookfor == LOOKFOR_IF)
+		    whilelevel = 0;
+	    }
+
+	    /* If it's a "do" decrement whilelevel */
+	    if (cin_isdo(look))
+		whilelevel--;
+
+	    /*
+	     * if we've used up all the elses, then
+	     * this must be the if that we want!
+	     * match the indent level of that if.
+	     */
+	    if (elselevel <= 0 && whilelevel <= 0)
+	    {
+		return OK;
+	    }
+	}
+    }
+    return FAIL;
+}
+
+# if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * Get indent level from 'indentexpr'.
+ */
+    int
+get_expr_indent()
+{
+    int		indent;
+    pos_T	pos;
+    int		save_State;
+
+    pos = curwin->w_cursor;
+    set_vim_var_nr(VV_LNUM, curwin->w_cursor.lnum);
+    ++sandbox;
+    indent = eval_to_number(curbuf->b_p_inde);
+    --sandbox;
+
+    /* Restore the cursor position so that 'indentexpr' doesn't need to.
+     * Pretend to be in Insert mode, allow cursor past end of line for "o"
+     * command. */
+    save_State = State;
+    State = INSERT;
+    curwin->w_cursor = pos;
+    check_cursor();
+    State = save_State;
+
+    /* If there is an error, just keep the current indent. */
+    if (indent < 0)
+	indent = get_indent();
+
+    return indent;
+}
+# endif
+
+#endif /* FEAT_CINDENT */
+
+#if defined(FEAT_LISP) || defined(PROTO)
+
+static int lisp_match __ARGS((char_u *p));
+
+    static int
+lisp_match(p)
+    char_u	*p;
+{
+    char_u	buf[LSIZE];
+    int		len;
+    char_u	*word = p_lispwords;
+
+    while (*word != NUL)
+    {
+	(void)copy_option_part(&word, buf, LSIZE, ",");
+	len = (int)STRLEN(buf);
+	if (STRNCMP(buf, p, len) == 0 && p[len] == ' ')
+	    return TRUE;
+    }
+    return FALSE;
+}
+
+/*
+ * When 'p' is present in 'cpoptions, a Vi compatible method is used.
+ * The incompatible newer method is quite a bit better at indenting
+ * code in lisp-like languages than the traditional one; it's still
+ * mostly heuristics however -- Dirk van Deun, dirk@rave.org
+ *
+ * TODO:
+ * Findmatch() should be adapted for lisp, also to make showmatch
+ * work correctly: now (v5.3) it seems all C/C++ oriented:
+ * - it does not recognize the #\( and #\) notations as character literals
+ * - it doesn't know about comments starting with a semicolon
+ * - it incorrectly interprets '(' as a character literal
+ * All this messes up get_lisp_indent in some rare cases.
+ */
+    int
+get_lisp_indent()
+{
+    pos_T	*pos, realpos;
+    int		amount;
+    char_u	*that;
+    colnr_T	col;
+    colnr_T	firsttry;
+    int		parencount, quotecount;
+    int		vi_lisp;
+
+    /* Set vi_lisp to use the vi-compatible method */
+    vi_lisp = (vim_strchr(p_cpo, CPO_LISP) != NULL);
+
+    realpos = curwin->w_cursor;
+    curwin->w_cursor.col = 0;
+
+    if ((pos = findmatch(NULL, '(')) != NULL)
+    {
+	/* Extra trick: Take the indent of the first previous non-white
+	 * line that is at the same () level. */
+	amount = -1;
+	parencount = 0;
+
+	while (--curwin->w_cursor.lnum >= pos->lnum)
+	{
+	    if (linewhite(curwin->w_cursor.lnum))
+		continue;
+	    for (that = ml_get_curline(); *that != NUL; ++that)
+	    {
+		if (*that == ';')
+		{
+		    while (*(that + 1) != NUL)
+			++that;
+		    continue;
+		}
+		if (*that == '\\')
+		{
+		    if (*(that + 1) != NUL)
+			++that;
+		    continue;
+		}
+		if (*that == '"' && *(that + 1) != NUL)
+		{
+		    that++;
+		    while (*that && (*that != '"' || *(that - 1) == '\\'))
+			++that;
+		}
+		if (*that == '(')
+		    ++parencount;
+		else if (*that == ')')
+		    --parencount;
+	    }
+	    if (parencount == 0)
+	    {
+		amount = get_indent();
+		break;
+	    }
+	}
+
+	if (amount == -1)
+	{
+	    curwin->w_cursor.lnum = pos->lnum;
+	    curwin->w_cursor.col = pos->col;
+	    col = pos->col;
+
+	    that = ml_get_curline();
+
+	    if (vi_lisp && get_indent() == 0)
+		amount = 2;
+	    else
+	    {
+		amount = 0;
+		while (*that && col)
+		{
+		    amount += lbr_chartabsize_adv(&that, (colnr_T)amount);
+		    col--;
+		}
+
+		/*
+		 * Some keywords require "body" indenting rules (the
+		 * non-standard-lisp ones are Scheme special forms):
+		 *
+		 * (let ((a 1))    instead    (let ((a 1))
+		 *   (...))	      of	   (...))
+		 */
+
+		if (!vi_lisp && *that == '(' && lisp_match(that + 1))
+		    amount += 2;
+		else
+		{
+		    that++;
+		    amount++;
+		    firsttry = amount;
+
+		    while (vim_iswhite(*that))
+		    {
+			amount += lbr_chartabsize(that, (colnr_T)amount);
+			++that;
+		    }
+
+		    if (*that && *that != ';') /* not a comment line */
+		    {
+			/* test *that != '(' to accomodate first let/do
+			 * argument if it is more than one line */
+			if (!vi_lisp && *that != '(')
+			    firsttry++;
+
+			parencount = 0;
+			quotecount = 0;
+
+			if (vi_lisp
+				|| (*that != '"'
+				    && *that != '\''
+				    && *that != '#'
+				    && (*that < '0' || *that > '9')))
+			{
+			    while (*that
+				    && (!vim_iswhite(*that)
+					|| quotecount
+					|| parencount)
+				    && (!(*that == '('
+					    && !quotecount
+					    && !parencount
+					    && vi_lisp)))
+			    {
+				if (*that == '"')
+				    quotecount = !quotecount;
+				if (*that == '(' && !quotecount)
+				    ++parencount;
+				if (*that == ')' && !quotecount)
+				    --parencount;
+				if (*that == '\\' && *(that+1) != NUL)
+				    amount += lbr_chartabsize_adv(&that,
+							     (colnr_T)amount);
+				amount += lbr_chartabsize_adv(&that,
+							     (colnr_T)amount);
+			    }
+			}
+			while (vim_iswhite(*that))
+			{
+			    amount += lbr_chartabsize(that, (colnr_T)amount);
+			    that++;
+			}
+			if (!*that || *that == ';')
+			    amount = firsttry;
+		    }
+		}
+	    }
+	}
+    }
+    else
+	amount = 0;	/* no matching '(' found, use zero indent */
+
+    curwin->w_cursor = realpos;
+
+    return amount;
+}
+#endif /* FEAT_LISP */
+
+    void
+prepare_to_exit()
+{
+#ifdef FEAT_GUI
+    if (gui.in_use)
+    {
+	gui.dying = TRUE;
+	out_trash();	/* trash any pending output */
+    }
+    else
+#endif
+    {
+	windgoto((int)Rows - 1, 0);
+
+	/*
+	 * Switch terminal mode back now, so messages end up on the "normal"
+	 * screen (if there are two screens).
+	 */
+	settmode(TMODE_COOK);
+#ifdef WIN3264
+	if (can_end_termcap_mode(FALSE) == TRUE)
+#endif
+	    stoptermcap();
+	out_flush();
+    }
+}
+
+/*
+ * Preserve files and exit.
+ * When called IObuff must contain a message.
+ */
+    void
+preserve_exit()
+{
+    buf_T	*buf;
+
+    prepare_to_exit();
+
+    out_str(IObuff);
+    screen_start();		    /* don't know where cursor is now */
+    out_flush();
+
+    ml_close_notmod();		    /* close all not-modified buffers */
+
+    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
+    {
+	if (buf->b_ml.ml_mfp != NULL && buf->b_ml.ml_mfp->mf_fname != NULL)
+	{
+	    OUT_STR(_("Vim: preserving files...\n"));
+	    screen_start();	    /* don't know where cursor is now */
+	    out_flush();
+	    ml_sync_all(FALSE, FALSE);	/* preserve all swap files */
+	    break;
+	}
+    }
+
+    ml_close_all(FALSE);	    /* close all memfiles, without deleting */
+
+    OUT_STR(_("Vim: Finished.\n"));
+
+    getout(1);
+}
+
+/*
+ * return TRUE if "fname" exists.
+ */
+    int
+vim_fexists(fname)
+    char_u  *fname;
+{
+    struct stat st;
+
+    if (mch_stat((char *)fname, &st))
+	return FALSE;
+    return TRUE;
+}
+
+/*
+ * Check for CTRL-C pressed, but only once in a while.
+ * Should be used instead of ui_breakcheck() for functions that check for
+ * each line in the file.  Calling ui_breakcheck() each time takes too much
+ * time, because it can be a system call.
+ */
+
+#ifndef BREAKCHECK_SKIP
+# ifdef FEAT_GUI		    /* assume the GUI only runs on fast computers */
+#  define BREAKCHECK_SKIP 200
+# else
+#  define BREAKCHECK_SKIP 32
+# endif
+#endif
+
+static int	breakcheck_count = 0;
+
+    void
+line_breakcheck()
+{
+    if (++breakcheck_count >= BREAKCHECK_SKIP)
+    {
+	breakcheck_count = 0;
+	ui_breakcheck();
+    }
+}
+
+/*
+ * Like line_breakcheck() but check 10 times less often.
+ */
+    void
+fast_breakcheck()
+{
+    if (++breakcheck_count >= BREAKCHECK_SKIP * 10)
+    {
+	breakcheck_count = 0;
+	ui_breakcheck();
+    }
+}
+
+/*
+ * Expand wildcards.  Calls gen_expand_wildcards() and removes files matching
+ * 'wildignore'.
+ */
+    int
+expand_wildcards(num_pat, pat, num_file, file, flags)
+    int		   num_pat;	/* number of input patterns */
+    char_u	 **pat;		/* array of input patterns */
+    int		  *num_file;	/* resulting number of files */
+    char_u	***file;	/* array of resulting files */
+    int		   flags;	/* EW_DIR, etc. */
+{
+    int		retval;
+    int		i, j;
+    char_u	*p;
+    int		non_suf_match;	/* number without matching suffix */
+
+    retval = gen_expand_wildcards(num_pat, pat, num_file, file, flags);
+
+    /* When keeping all matches, return here */
+    if (flags & EW_KEEPALL)
+	return retval;
+
+#ifdef FEAT_WILDIGN
+    /*
+     * Remove names that match 'wildignore'.
+     */
+    if (*p_wig)
+    {
+	char_u	*ffname;
+
+	/* check all files in (*file)[] */
+	for (i = 0; i < *num_file; ++i)
+	{
+	    ffname = FullName_save((*file)[i], FALSE);
+	    if (ffname == NULL)		/* out of memory */
+		break;
+# ifdef VMS
+	    vms_remove_version(ffname);
+# endif
+	    if (match_file_list(p_wig, (*file)[i], ffname))
+	    {
+		/* remove this matching file from the list */
+		vim_free((*file)[i]);
+		for (j = i; j + 1 < *num_file; ++j)
+		    (*file)[j] = (*file)[j + 1];
+		--*num_file;
+		--i;
+	    }
+	    vim_free(ffname);
+	}
+    }
+#endif
+
+    /*
+     * Move the names where 'suffixes' match to the end.
+     */
+    if (*num_file > 1)
+    {
+	non_suf_match = 0;
+	for (i = 0; i < *num_file; ++i)
+	{
+	    if (!match_suffix((*file)[i]))
+	    {
+		/*
+		 * Move the name without matching suffix to the front
+		 * of the list.
+		 */
+		p = (*file)[i];
+		for (j = i; j > non_suf_match; --j)
+		    (*file)[j] = (*file)[j - 1];
+		(*file)[non_suf_match++] = p;
+	    }
+	}
+    }
+
+    return retval;
+}
+
+/*
+ * Return TRUE if "fname" matches with an entry in 'suffixes'.
+ */
+    int
+match_suffix(fname)
+    char_u	*fname;
+{
+    int		fnamelen, setsuflen;
+    char_u	*setsuf;
+#define MAXSUFLEN 30	    /* maximum length of a file suffix */
+    char_u	suf_buf[MAXSUFLEN];
+
+    fnamelen = (int)STRLEN(fname);
+    setsuflen = 0;
+    for (setsuf = p_su; *setsuf; )
+    {
+	setsuflen = copy_option_part(&setsuf, suf_buf, MAXSUFLEN, ".,");
+	if (fnamelen >= setsuflen
+		&& fnamencmp(suf_buf, fname + fnamelen - setsuflen,
+					      (size_t)setsuflen) == 0)
+	    break;
+	setsuflen = 0;
+    }
+    return (setsuflen != 0);
+}
+
+#if !defined(NO_EXPANDPATH) || defined(PROTO)
+
+# ifdef VIM_BACKTICK
+static int vim_backtick __ARGS((char_u *p));
+static int expand_backtick __ARGS((garray_T *gap, char_u *pat, int flags));
+# endif
+
+# if defined(MSDOS) || defined(FEAT_GUI_W16) || defined(WIN3264)
+/*
+ * File name expansion code for MS-DOS, Win16 and Win32.  It's here because
+ * it's shared between these systems.
+ */
+# if defined(DJGPP) || defined(PROTO)
+#  define _cdecl	    /* DJGPP doesn't have this */
+# else
+#  ifdef __BORLANDC__
+#   define _cdecl _RTLENTRYF
+#  endif
+# endif
+
+/*
+ * comparison function for qsort in dos_expandpath()
+ */
+    static int _cdecl
+pstrcmp(const void *a, const void *b)
+{
+    return (pathcmp(*(char **)a, *(char **)b));
+}
+
+# ifndef WIN3264
+    static void
+namelowcpy(
+    char_u *d,
+    char_u *s)
+{
+#  ifdef DJGPP
+    if (USE_LONG_FNAME)	    /* don't lower case on Windows 95/NT systems */
+	while (*s)
+	    *d++ = *s++;
+    else
+#  endif
+	while (*s)
+	    *d++ = TOLOWER_LOC(*s++);
+    *d = NUL;
+}
+# endif
+
+/*
+ * Recursively build up a list of files in "gap" matching the first wildcard
+ * in `path'.  Called by expand_wildcards().
+ * Return the number of matches found.
+ * "path" has backslashes before chars that are not to be expanded, starting
+ * at "path[wildoff]".
+ */
+    static int
+dos_expandpath(
+    garray_T	*gap,
+    char_u	*path,
+    int		wildoff,
+    int		flags)		/* EW_* flags */
+{
+    char_u		*buf;
+    char_u		*path_end;
+    char_u		*p, *s, *e;
+    int			start_len = gap->ga_len;
+    int			ok;
+#ifdef WIN3264
+    WIN32_FIND_DATA	fb;
+    HANDLE		hFind = (HANDLE)0;
+# ifdef FEAT_MBYTE
+    WIN32_FIND_DATAW    wfb;
+    WCHAR		*wn = NULL;	/* UCS-2 name, NULL when not used. */
+# endif
+#else
+    struct ffblk	fb;
+#endif
+    int			matches;
+    int			starts_with_dot;
+    int			len;
+    char_u		*pat;
+    regmatch_T		regmatch;
+    char_u		*matchname;
+
+    /* make room for file name */
+    buf = alloc((unsigned int)STRLEN(path) + BASENAMELEN + 5);
+    if (buf == NULL)
+	return 0;
+
+    /*
+     * Find the first part in the path name that contains a wildcard or a ~1.
+     * Copy it into buf, including the preceding characters.
+     */
+    p = buf;
+    s = buf;
+    e = NULL;
+    path_end = path;
+    while (*path_end != NUL)
+    {
+	/* May ignore a wildcard that has a backslash before it; it will
+	 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
+	if (path_end >= path + wildoff && rem_backslash(path_end))
+	    *p++ = *path_end++;
+	else if (*path_end == '\\' || *path_end == ':' || *path_end == '/')
+	{
+	    if (e != NULL)
+		break;
+	    s = p + 1;
+	}
+	else if (path_end >= path + wildoff
+			 && vim_strchr((char_u *)"*?[~", *path_end) != NULL)
+	    e = p;
+#ifdef FEAT_MBYTE
+	if (has_mbyte)
+	{
+	    len = (*mb_ptr2len_check)(path_end);
+	    STRNCPY(p, path_end, len);
+	    p += len;
+	    path_end += len;
+	}
+	else
+#endif
+	    *p++ = *path_end++;
+    }
+    e = p;
+    *e = NUL;
+
+    /* now we have one wildcard component between s and e */
+    /* Remove backslashes between "wildoff" and the start of the wildcard
+     * component. */
+    for (p = buf + wildoff; p < s; ++p)
+	if (rem_backslash(p))
+	{
+	    STRCPY(p, p + 1);
+	    --e;
+	    --s;
+	}
+
+    starts_with_dot = (*s == '.');
+    pat = file_pat_to_reg_pat(s, e, NULL, FALSE);
+    if (pat == NULL)
+    {
+	vim_free(buf);
+	return 0;
+    }
+
+    /* compile the regexp into a program */
+    regmatch.rm_ic = TRUE;		/* Always ignore case */
+    regmatch.regprog = vim_regcomp(pat, RE_MAGIC);
+    vim_free(pat);
+
+    if (regmatch.regprog == NULL)
+    {
+	vim_free(buf);
+	return 0;
+    }
+
+    /* remember the pattern or file name being looked for */
+    matchname = vim_strsave(s);
+
+    /* Scan all files in the directory with "dir/ *.*" */
+    STRCPY(s, "*.*");
+#ifdef WIN3264
+# ifdef FEAT_MBYTE
+    if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
+    {
+	/* The active codepage differs from 'encoding'.  Attempt using the
+	 * wide function.  If it fails because it is not implemented fall back
+	 * to the non-wide version (for Windows 98) */
+	wn = enc_to_ucs2(buf, NULL);
+	if (wn != NULL)
+	{
+	    hFind = FindFirstFileW(wn, &wfb);
+	    if (hFind == INVALID_HANDLE_VALUE
+			      && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
+	    {
+		vim_free(wn);
+		wn = NULL;
+	    }
+	}
+    }
+
+    if (wn == NULL)
+# endif
+	hFind = FindFirstFile(buf, &fb);
+    ok = (hFind != INVALID_HANDLE_VALUE);
+#else
+    /* If we are expanding wildcards we try both files and directories */
+    ok = (findfirst((char *)buf, &fb,
+		(*path_end != NUL || (flags & EW_DIR)) ? FA_DIREC : 0) == 0);
+#endif
+
+    while (ok)
+    {
+#ifdef WIN3264
+# ifdef FEAT_MBYTE
+	if (wn != NULL)
+	    p = ucs2_to_enc(wfb.cFileName, NULL);   /* p is allocated here */
+	else
+# endif
+	    p = (char_u *)fb.cFileName;
+#else
+	p = (char_u *)fb.ff_name;
+#endif
+	/* Ignore entries starting with a dot, unless when asked for.  Accept
+	 * all entries found with "matchname". */
+	if ((p[0] != '.' || starts_with_dot)
+		&& (matchname == NULL
+		    || vim_regexec(&regmatch, p, (colnr_T)0)))
+	{
+#ifdef WIN3264
+	    STRCPY(s, p);
+#else
+	    namelowcpy(s, p);
+#endif
+	    len = (int)STRLEN(buf);
+	    STRCPY(buf + len, path_end);
+	    if (mch_has_exp_wildcard(path_end))
+	    {
+		/* need to expand another component of the path */
+		/* remove backslashes for the remaining components only */
+		(void)dos_expandpath(gap, buf, len + 1, flags);
+	    }
+	    else
+	    {
+		/* no more wildcards, check if there is a match */
+		/* remove backslashes for the remaining components only */
+		if (*path_end != 0)
+		    backslash_halve(buf + len + 1);
+		if (mch_getperm(buf) >= 0)	/* add existing file */
+		    addfile(gap, buf, flags);
+	    }
+	}
+
+#ifdef WIN3264
+# ifdef FEAT_MBYTE
+	if (wn != NULL)
+	{
+	    vim_free(p);
+	    ok = FindNextFileW(hFind, &wfb);
+	}
+	else
+# endif
+	    ok = FindNextFile(hFind, &fb);
+#else
+	ok = (findnext(&fb) == 0);
+#endif
+
+	/* If no more matches and no match was used, try expanding the name
+	 * itself.  Finds the long name of a short filename. */
+	if (!ok && matchname != NULL && gap->ga_len == start_len)
+	{
+	    STRCPY(s, matchname);
+#ifdef WIN3264
+	    FindClose(hFind);
+# ifdef FEAT_MBYTE
+	    if (wn != NULL)
+	    {
+		vim_free(wn);
+		wn = enc_to_ucs2(buf, NULL);
+		if (wn != NULL)
+		    hFind = FindFirstFileW(wn, &wfb);
+	    }
+	    if (wn == NULL)
+# endif
+		hFind = FindFirstFile(buf, &fb);
+	    ok = (hFind != INVALID_HANDLE_VALUE);
+#else
+	    ok = (findfirst((char *)buf, &fb,
+		 (*path_end != NUL || (flags & EW_DIR)) ? FA_DIREC : 0) == 0);
+#endif
+	    vim_free(matchname);
+	    matchname = NULL;
+	}
+    }
+
+#ifdef WIN3264
+    FindClose(hFind);
+# ifdef FEAT_MBYTE
+    vim_free(wn);
+# endif
+#endif
+    vim_free(buf);
+    vim_free(regmatch.regprog);
+    vim_free(matchname);
+
+    matches = gap->ga_len - start_len;
+    if (matches > 0)
+	qsort(((char_u **)gap->ga_data) + start_len, (size_t)matches,
+						   sizeof(char_u *), pstrcmp);
+    return matches;
+}
+
+    int
+mch_expandpath(
+    garray_T	*gap,
+    char_u	*path,
+    int		flags)		/* EW_* flags */
+{
+    return dos_expandpath(gap, path, 0, flags);
+}
+# endif /* MSDOS || FEAT_GUI_W16 || WIN3264 */
+
+/*
+ * Generic wildcard expansion code.
+ *
+ * Characters in "pat" that should not be expanded must be preceded with a
+ * backslash. E.g., "/path\ with\ spaces/my\*star*"
+ *
+ * Return FAIL when no single file was found.  In this case "num_file" is not
+ * set, and "file" may contain an error message.
+ * Return OK when some files found.  "num_file" is set to the number of
+ * matches, "file" to the array of matches.  Call FreeWild() later.
+ */
+    int
+gen_expand_wildcards(num_pat, pat, num_file, file, flags)
+    int		num_pat;	/* number of input patterns */
+    char_u	**pat;		/* array of input patterns */
+    int		*num_file;	/* resulting number of files */
+    char_u	***file;	/* array of resulting files */
+    int		flags;		/* EW_* flags */
+{
+    int			i;
+    garray_T		ga;
+    char_u		*p;
+    static int		recursive = FALSE;
+    int			add_pat;
+
+    /*
+     * expand_env() is called to expand things like "~user".  If this fails,
+     * it calls ExpandOne(), which brings us back here.  In this case, always
+     * call the machine specific expansion function, if possible.  Otherwise,
+     * return FAIL.
+     */
+    if (recursive)
+#ifdef SPECIAL_WILDCHAR
+	return mch_expand_wildcards(num_pat, pat, num_file, file, flags);
+#else
+	return FAIL;
+#endif
+
+#ifdef SPECIAL_WILDCHAR
+    /*
+     * If there are any special wildcard characters which we cannot handle
+     * here, call machine specific function for all the expansion.  This
+     * avoids starting the shell for each argument separately.
+     * For `=expr` do use the internal function.
+     */
+    for (i = 0; i < num_pat; i++)
+    {
+	if (vim_strpbrk(pat[i], (char_u *)SPECIAL_WILDCHAR) != NULL
+# ifdef VIM_BACKTICK
+		&& !(vim_backtick(pat[i]) && pat[i][1] == '=')
+# endif
+	   )
+	    return mch_expand_wildcards(num_pat, pat, num_file, file, flags);
+    }
+#endif
+
+    recursive = TRUE;
+
+    /*
+     * The matching file names are stored in a growarray.  Init it empty.
+     */
+    ga_init2(&ga, (int)sizeof(char_u *), 30);
+
+    for (i = 0; i < num_pat; ++i)
+    {
+	add_pat = -1;
+	p = pat[i];
+
+#ifdef VIM_BACKTICK
+	if (vim_backtick(p))
+	    add_pat = expand_backtick(&ga, p, flags);
+	else
+#endif
+	{
+	    /*
+	     * First expand environment variables, "~/" and "~user/".
+	     */
+	    if (vim_strpbrk(p, (char_u *)"$~") != NULL)
+	    {
+		p = expand_env_save(p);
+		if (p == NULL)
+		    p = pat[i];
+#ifdef UNIX
+		/*
+		 * On Unix, if expand_env() can't expand an environment
+		 * variable, use the shell to do that.  Discard previously
+		 * found file names and start all over again.
+		 */
+		else if (vim_strpbrk(p, (char_u *)"$~") != NULL)
+		{
+		    vim_free(p);
+		    ga_clear(&ga);
+		    i = mch_expand_wildcards(num_pat, pat, num_file, file,
+								       flags);
+		    recursive = FALSE;
+		    return i;
+		}
+#endif
+	    }
+
+	    /*
+	     * If there are wildcards: Expand file names and add each match to
+	     * the list.  If there is no match, and EW_NOTFOUND is given, add
+	     * the pattern.
+	     * If there are no wildcards: Add the file name if it exists or
+	     * when EW_NOTFOUND is given.
+	     */
+	    if (mch_has_exp_wildcard(p))
+		add_pat = mch_expandpath(&ga, p, flags);
+	}
+
+	if (add_pat == -1 || (add_pat == 0 && (flags & EW_NOTFOUND)))
+	{
+	    char_u	*t = backslash_halve_save(p);
+
+#if defined(MACOS_CLASSIC)
+	    slash_to_colon(t);
+#endif
+	    /* When EW_NOTFOUND is used, always add files and dirs.  Makes
+	     * "vim c:/" work. */
+	    if (flags & EW_NOTFOUND)
+		addfile(&ga, t, flags | EW_DIR | EW_FILE);
+	    else if (mch_getperm(t) >= 0)
+		addfile(&ga, t, flags);
+	    vim_free(t);
+	}
+
+	if (p != pat[i])
+	    vim_free(p);
+    }
+
+    *num_file = ga.ga_len;
+    *file = (ga.ga_data != NULL) ? (char_u **)ga.ga_data : (char_u **)"";
+
+    recursive = FALSE;
+
+    return (ga.ga_data != NULL) ? OK : FAIL;
+}
+
+# ifdef VIM_BACKTICK
+
+/*
+ * Return TRUE if we can expand this backtick thing here.
+ */
+    static int
+vim_backtick(p)
+    char_u	*p;
+{
+    return (*p == '`' && *(p + 1) != NUL && *(p + STRLEN(p) - 1) == '`');
+}
+
+/*
+ * Expand an item in `backticks` by executing it as a command.
+ * Currently only works when pat[] starts and ends with a `.
+ * Returns number of file names found.
+ */
+    static int
+expand_backtick(gap, pat, flags)
+    garray_T	*gap;
+    char_u	*pat;
+    int		flags;	/* EW_* flags */
+{
+    char_u	*p;
+    char_u	*cmd;
+    char_u	*buffer;
+    int		cnt = 0;
+    int		i;
+
+    /* Create the command: lop off the backticks. */
+    cmd = vim_strnsave(pat + 1, (int)STRLEN(pat) - 2);
+    if (cmd == NULL)
+	return 0;
+
+#ifdef FEAT_EVAL
+    if (*cmd == '=')	    /* `={expr}`: Expand expression */
+	buffer = eval_to_string(cmd + 1, &p);
+    else
+#endif
+	buffer = get_cmd_output(cmd, (flags & EW_SILENT) ? SHELL_SILENT : 0);
+    vim_free(cmd);
+    if (buffer == NULL)
+	return 0;
+
+    cmd = buffer;
+    while (*cmd != NUL)
+    {
+	cmd = skipwhite(cmd);		/* skip over white space */
+	p = cmd;
+	while (*p != NUL && *p != '\r' && *p != '\n') /* skip over entry */
+	    ++p;
+	/* add an entry if it is not empty */
+	if (p > cmd)
+	{
+	    i = *p;
+	    *p = NUL;
+	    addfile(gap, cmd, flags);
+	    *p = i;
+	    ++cnt;
+	}
+	cmd = p;
+	while (*cmd != NUL && (*cmd == '\r' || *cmd == '\n'))
+	    ++cmd;
+    }
+
+    vim_free(buffer);
+    return cnt;
+}
+# endif /* VIM_BACKTICK */
+
+/*
+ * Add a file to a file list.  Accepted flags:
+ * EW_DIR	add directories
+ * EW_FILE	add files
+ * EW_NOTFOUND	add even when it doesn't exist
+ * EW_ADDSLASH	add slash after directory name
+ */
+    void
+addfile(gap, f, flags)
+    garray_T	*gap;
+    char_u	*f;	/* filename */
+    int		flags;
+{
+    char_u	*p;
+    int		isdir;
+
+    /* if the file/dir doesn't exist, may not add it */
+    if (!(flags & EW_NOTFOUND) && mch_getperm(f) < 0)
+	return;
+
+#ifdef FNAME_ILLEGAL
+    /* if the file/dir contains illegal characters, don't add it */
+    if (vim_strpbrk(f, (char_u *)FNAME_ILLEGAL) != NULL)
+	return;
+#endif
+
+    isdir = mch_isdir(f);
+    if ((isdir && !(flags & EW_DIR)) || (!isdir && !(flags & EW_FILE)))
+	return;
+
+    /* Make room for another item in the file list. */
+    if (ga_grow(gap, 1) == FAIL)
+	return;
+
+    p = alloc((unsigned)(STRLEN(f) + 1 + isdir));
+    if (p == NULL)
+	return;
+
+    STRCPY(p, f);
+#ifdef BACKSLASH_IN_FILENAME
+    slash_adjust(p);
+#endif
+    /*
+     * Append a slash or backslash after directory names if none is present.
+     */
+#ifndef DONT_ADD_PATHSEP_TO_DIR
+    if (isdir && (flags & EW_ADDSLASH))
+	add_pathsep(p);
+#endif
+    ((char_u **)gap->ga_data)[gap->ga_len++] = p;
+    --gap->ga_room;
+}
+#endif /* !NO_EXPANDPATH */
+
+#if defined(VIM_BACKTICK) || defined(FEAT_EVAL) || defined(PROTO)
+
+#ifndef SEEK_SET
+# define SEEK_SET 0
+#endif
+#ifndef SEEK_END
+# define SEEK_END 2
+#endif
+
+/*
+ * Get the stdout of an external command.
+ * Returns an allocated string, or NULL for error.
+ */
+    char_u *
+get_cmd_output(cmd, flags)
+    char_u	*cmd;
+    int		flags;		/* can be SHELL_SILENT */
+{
+    char_u	*tempname;
+    char_u	*command;
+    char_u	*buffer = NULL;
+    int		len;
+    int		i = 0;
+    FILE	*fd;
+
+    if (check_restricted() || check_secure())
+	return NULL;
+
+    /* get a name for the temp file */
+    if ((tempname = vim_tempname('o')) == NULL)
+    {
+	EMSG(_(e_notmp));
+	return NULL;
+    }
+
+    /* Add the redirection stuff */
+    command = make_filter_cmd(cmd, NULL, tempname);
+    if (command == NULL)
+	goto done;
+
+    /*
+     * Call the shell to execute the command (errors are ignored).
+     * Don't check timestamps here.
+     */
+    ++no_check_timestamps;
+    call_shell(command, SHELL_DOOUT | SHELL_EXPAND | flags);
+    --no_check_timestamps;
+
+    vim_free(command);
+
+    /*
+     * read the names from the file into memory
+     */
+# ifdef VMS
+    /* created temporary file is not allways readable as binary */
+    fd = mch_fopen((char *)tempname, "r");
+# else
+    fd = mch_fopen((char *)tempname, READBIN);
+# endif
+
+    if (fd == NULL)
+    {
+	EMSG2(_(e_notopen), tempname);
+	goto done;
+    }
+
+    fseek(fd, 0L, SEEK_END);
+    len = ftell(fd);		    /* get size of temp file */
+    fseek(fd, 0L, SEEK_SET);
+
+    buffer = alloc(len + 1);
+    if (buffer != NULL)
+	i = (int)fread((char *)buffer, (size_t)1, (size_t)len, fd);
+    fclose(fd);
+    mch_remove(tempname);
+    if (buffer == NULL)
+	goto done;
+#ifdef VMS
+    len = i;	/* VMS doesn't give us what we asked for... */
+#endif
+    if (i != len)
+    {
+	EMSG2(_(e_notread), tempname);
+	vim_free(buffer);
+	buffer = NULL;
+    }
+    else
+	buffer[len] = '\0';	/* make sure the buffer is terminated */
+
+done:
+    vim_free(tempname);
+    return buffer;
+}
+#endif
+
+/*
+ * Free the list of files returned by expand_wildcards() or other expansion
+ * functions.
+ */
+    void
+FreeWild(count, files)
+    int	    count;
+    char_u  **files;
+{
+    if (files == NULL || count <= 0)
+	return;
+#if defined(__EMX__) && defined(__ALWAYS_HAS_TRAILING_NULL_POINTER) /* XXX */
+    /*
+     * Is this still OK for when other functions than expand_wildcards() have
+     * been used???
+     */
+    _fnexplodefree((char **)files);
+#else
+    while (count--)
+	vim_free(files[count]);
+    vim_free(files);
+#endif
+}
+
+/*
+ * return TRUE when need to go to Insert mode because of 'insertmode'.
+ * Don't do this when still processing a command or a mapping.
+ * Don't do this when inside a ":normal" command.
+ */
+    int
+goto_im()
+{
+    return (p_im && stuff_empty() && typebuf_typed());
+}