diff --git a/test/ncurses.c b/test/ncurses.c
new file mode 100644
index 0000000..59a88c4
--- /dev/null
+++ b/test/ncurses.c
@@ -0,0 +1,7244 @@
+/****************************************************************************
+ * Copyright (c) 1998-2014,2015 Free Software Foundation, Inc.              *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+/****************************************************************************
+
+NAME
+   ncurses.c --- ncurses library exerciser
+
+SYNOPSIS
+   ncurses
+
+DESCRIPTION
+   An interactive test module for the ncurses library.
+
+AUTHOR
+   Author: Eric S. Raymond <esr@snark.thyrsus.com> 1993
+           Thomas E. Dickey (beginning revision 1.27 in 1996).
+
+$Id: ncurses.c,v 1.420 2015/05/23 23:41:25 tom Exp $
+
+***************************************************************************/
+
+#include <test.priv.h>
+
+#ifdef __hpux
+#undef mvwdelch			/* HPUX 11.23 macro will not compile */
+#endif
+
+#if HAVE_GETTIMEOFDAY
+#if HAVE_SYS_TIME_H && HAVE_SYS_TIME_SELECT
+#include <sys/time.h>
+#endif
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#endif
+
+#if USE_LIBPANEL
+#include <panel.h>
+#endif
+
+#if USE_LIBMENU
+#include <menu.h>
+#endif
+
+#if USE_LIBFORM
+#include <form.h>
+#endif
+
+#ifdef NCURSES_VERSION
+
+#define NCURSES_CONST_PARAM const void
+
+#ifdef TRACE
+static unsigned save_trace = TRACE_ORDINARY | TRACE_ICALLS | TRACE_CALLS;
+extern unsigned _nc_tracing;
+#endif
+
+#else
+
+#define NCURSES_CONST_PARAM char
+
+#define mmask_t chtype		/* not specified in XSI */
+
+#ifndef ACS_S3
+#ifdef CURSES_ACS_ARRAY
+#define ACS_S3          (CURSES_ACS_ARRAY['p'])		/* scan line 3 */
+#define ACS_S7          (CURSES_ACS_ARRAY['r'])		/* scan line 7 */
+#define ACS_LEQUAL      (CURSES_ACS_ARRAY['y'])		/* less/equal */
+#define ACS_GEQUAL      (CURSES_ACS_ARRAY['z'])		/* greater/equal */
+#define ACS_PI          (CURSES_ACS_ARRAY['{'])		/* Pi */
+#define ACS_NEQUAL      (CURSES_ACS_ARRAY['|'])		/* not equal */
+#define ACS_STERLING    (CURSES_ACS_ARRAY['}'])		/* UK pound sign */
+#else
+#define ACS_S3          (A_ALTCHARSET + 'p')	/* scan line 3 */
+#define ACS_S7          (A_ALTCHARSET + 'r')	/* scan line 7 */
+#define ACS_LEQUAL      (A_ALTCHARSET + 'y')	/* less/equal */
+#define ACS_GEQUAL      (A_ALTCHARSET + 'z')	/* greater/equal */
+#define ACS_PI          (A_ALTCHARSET + '{')	/* Pi */
+#define ACS_NEQUAL      (A_ALTCHARSET + '|')	/* not equal */
+#define ACS_STERLING    (A_ALTCHARSET + '}')	/* UK pound sign */
+#endif
+#endif /* ACS_S3 */
+
+#ifndef WACS_S3
+#ifdef CURSES_WACS_ARRAY
+#define WACS_S3         (&(CURSES_WACS_ARRAY['p']))	/* scan line 3 */
+#define WACS_S7         (&(CURSES_WACS_ARRAY['r']))	/* scan line 7 */
+#define WACS_LEQUAL     (&(CURSES_WACS_ARRAY['y']))	/* less/equal */
+#define WACS_GEQUAL     (&(CURSES_WACS_ARRAY['z']))	/* greater/equal */
+#define WACS_PI         (&(CURSES_WACS_ARRAY['{']))	/* Pi */
+#define WACS_NEQUAL     (&(CURSES_WACS_ARRAY['|']))	/* not equal */
+#define WACS_STERLING   (&(CURSES_WACS_ARRAY['}']))	/* UK pound sign */
+#endif
+#endif
+
+#endif
+
+#if HAVE_WCSRTOMBS
+#define count_wchars(src, len, state)      wcsrtombs(0,   &src, len, state)
+#define trans_wchars(dst, src, len, state) wcsrtombs(dst, &src, len, state)
+#define reset_wchars(state) init_mb(state)
+#elif HAVE_WCSTOMBS && HAVE_MBTOWC && HAVE_MBLEN
+#define count_wchars(src, len, state)      wcstombs(0,   src, len)
+#define trans_wchars(dst, src, len, state) wcstombs(dst, src, len)
+#define reset_wchars(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0))
+#define state_unused
+#endif
+
+#if HAVE_MBSRTOWCS
+#define count_mbytes(src, len, state)      mbsrtowcs(0,   &src, len, state)
+#define trans_mbytes(dst, src, len, state) mbsrtowcs(dst, &src, len, state)
+#define reset_mbytes(state) init_mb(state)
+#elif HAVE_MBSTOWCS && HAVE_MBTOWC && HAVE_MBLEN
+#define count_mbytes(src, len, state)      mbstowcs(0,   src, len)
+#define trans_mbytes(dst, src, len, state) mbstowcs(dst, src, len)
+#define reset_mbytes(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0))
+#define state_unused
+#endif
+
+#define ToggleAcs(temp,real) temp = ((temp == real) ? 0 : real)
+
+#define P(string)	printw("%s\n", string)
+
+#define BLANK		' '	/* this is the background character */
+
+#undef max_colors
+static int max_colors;		/* the actual number of colors we'll use */
+static int min_colors;		/* the minimum color code */
+static bool use_colors;		/* true if we use colors */
+
+#undef max_pairs
+static int max_pairs;		/* ...and the number of color pairs */
+
+typedef struct {
+    NCURSES_COLOR_T red;
+    NCURSES_COLOR_T green;
+    NCURSES_COLOR_T blue;
+} RGB_DATA;
+
+static RGB_DATA *all_colors;
+
+static void main_menu(bool);
+
+static void
+failed(const char *s)
+{
+    perror(s);
+    endwin();
+    ExitProgram(EXIT_FAILURE);
+}
+
+/* The behavior of mvhline, mvvline for negative/zero length is unspecified,
+ * though we can rely on negative x/y values to stop the macro.
+ */
+static void
+do_h_line(int y, int x, chtype c, int to)
+{
+    if ((to) > (x))
+	MvHLine(y, x, c, (to) - (x));
+}
+
+static void
+do_v_line(int y, int x, chtype c, int to)
+{
+    if ((to) > (y))
+	MvVLine(y, x, c, (to) - (y));
+}
+
+static void
+Repaint(void)
+{
+    touchwin(stdscr);
+    touchwin(curscr);
+    wrefresh(curscr);
+}
+
+static bool
+isQuit(int c)
+{
+    return ((c) == QUIT || (c) == ESCAPE);
+}
+#define case_QUIT	QUIT: case ESCAPE
+
+/* Common function to allow ^T to toggle trace-mode in the middle of a test
+ * so that trace-files can be made smaller.
+ */
+static int
+wGetchar(WINDOW *win)
+{
+    int c;
+#ifdef TRACE
+    while ((c = wgetch(win)) == CTRL('T')) {
+	if (_nc_tracing) {
+	    save_trace = _nc_tracing;
+	    Trace(("TOGGLE-TRACING OFF"));
+	    _nc_tracing = 0;
+	} else {
+	    _nc_tracing = save_trace;
+	}
+	trace(_nc_tracing);
+	if (_nc_tracing)
+	    Trace(("TOGGLE-TRACING ON"));
+    }
+#else
+    c = wgetch(win);
+#endif
+    return c;
+}
+#define Getchar() wGetchar(stdscr)
+
+/* replaces wgetnstr(), since we want to be able to edit values */
+static void
+wGetstring(WINDOW *win, char *buffer, int limit)
+{
+    int y0, x0, x, ch;
+    bool done = FALSE;
+
+    echo();
+    getyx(win, y0, x0);
+    (void) wattrset(win, A_REVERSE);
+
+    x = (int) strlen(buffer);
+    while (!done) {
+	if (x > (int) strlen(buffer))
+	    x = (int) strlen(buffer);
+	wmove(win, y0, x0);
+	wprintw(win, "%-*s", limit, buffer);
+	wmove(win, y0, x0 + x);
+	switch (ch = wGetchar(win)) {
+	case '\n':
+	case KEY_ENTER:
+	    done = TRUE;
+	    break;
+	case CTRL('U'):
+	    *buffer = '\0';
+	    break;
+	case '\b':
+	case KEY_BACKSPACE:
+	case KEY_DC:
+	    if (x > 0) {
+		int j;
+		for (j = --x; (buffer[j] = buffer[j + 1]) != '\0'; ++j) {
+		    ;
+		}
+	    } else {
+		beep();
+	    }
+	    break;
+	case KEY_LEFT:
+	    if (x > 0) {
+		--x;
+	    } else {
+		flash();
+	    }
+	    break;
+	case KEY_RIGHT:
+	    ++x;
+	    break;
+	default:
+	    if (!isprint(ch) || ch >= KEY_MIN) {
+		beep();
+	    } else if ((int) strlen(buffer) < limit) {
+		int j;
+		for (j = (int) strlen(buffer) + 1; j > x; --j) {
+		    buffer[j] = buffer[j - 1];
+		}
+		buffer[x++] = (char) ch;
+	    } else {
+		flash();
+	    }
+	}
+    }
+
+    wattroff(win, A_REVERSE);
+    wmove(win, y0, x0);
+    noecho();
+}
+
+#if USE_WIDEC_SUPPORT
+static wchar_t
+fullwidth_digit(int ch)
+{
+    return (wchar_t) (ch + 0xff10 - '0');
+}
+
+static void
+make_fullwidth_text(wchar_t *target, const char *source)
+{
+    int ch;
+    while ((ch = *source++) != 0) {
+	*target++ = fullwidth_digit(ch);
+    }
+    *target = 0;
+}
+
+static void
+make_narrow_text(wchar_t *target, const char *source)
+{
+    int ch;
+    while ((ch = *source++) != 0) {
+	*target++ = (wchar_t) ch;
+    }
+    *target = 0;
+}
+
+#if USE_LIBPANEL
+static void
+make_fullwidth_digit(cchar_t *target, int digit)
+{
+    wchar_t source[2];
+
+    source[0] = fullwidth_digit(digit + '0');
+    source[1] = 0;
+    setcchar(target, source, A_NORMAL, 0, 0);
+}
+#endif
+
+static int
+wGet_wchar(WINDOW *win, wint_t *result)
+{
+    int c;
+#ifdef TRACE
+    while ((c = wget_wch(win, result)) == CTRL('T')) {
+	if (_nc_tracing) {
+	    save_trace = _nc_tracing;
+	    Trace(("TOGGLE-TRACING OFF"));
+	    _nc_tracing = 0;
+	} else {
+	    _nc_tracing = save_trace;
+	}
+	trace(_nc_tracing);
+	if (_nc_tracing)
+	    Trace(("TOGGLE-TRACING ON"));
+    }
+#else
+    c = wget_wch(win, result);
+#endif
+    return c;
+}
+#define Get_wchar(result) wGet_wchar(stdscr, result)
+
+/* replaces wgetn_wstr(), since we want to be able to edit values */
+static void
+wGet_wstring(WINDOW *win, wchar_t *buffer, int limit)
+{
+    int y0, x0, x;
+    wint_t ch;
+    bool done = FALSE;
+    bool fkey = FALSE;
+
+    echo();
+    getyx(win, y0, x0);
+    (void) wattrset(win, A_REVERSE);
+
+    x = (int) wcslen(buffer);
+    while (!done) {
+	if (x > (int) wcslen(buffer))
+	    x = (int) wcslen(buffer);
+
+	/* clear the "window' */
+	wmove(win, y0, x0);
+	wprintw(win, "%*s", limit, " ");
+
+	/* write the existing buffer contents */
+	wmove(win, y0, x0);
+	waddnwstr(win, buffer, limit);
+
+	/* positions the cursor past character 'x' */
+	wmove(win, y0, x0);
+	waddnwstr(win, buffer, x);
+
+	switch (wGet_wchar(win, &ch)) {
+	case KEY_CODE_YES:
+	    fkey = TRUE;
+	    switch (ch) {
+	    case KEY_ENTER:
+		ch = '\n';
+		fkey = FALSE;
+		break;
+	    case KEY_BACKSPACE:
+	    case KEY_DC:
+		ch = '\b';
+		fkey = FALSE;
+		break;
+	    case KEY_LEFT:
+	    case KEY_RIGHT:
+		break;
+	    default:
+		ch = (wint_t) -1;
+		break;
+	    }
+	    break;
+	case OK:
+	    fkey = FALSE;
+	    break;
+	default:
+	    ch = (wint_t) -1;
+	    fkey = TRUE;
+	    break;
+	}
+
+	switch (ch) {
+	case '\n':
+	    done = TRUE;
+	    break;
+	case CTRL('U'):
+	    *buffer = '\0';
+	    break;
+	case '\b':
+	    if (x > 0) {
+		int j;
+		for (j = --x; (buffer[j] = buffer[j + 1]) != '\0'; ++j) {
+		    ;
+		}
+	    } else {
+		beep();
+	    }
+	    break;
+	case KEY_LEFT:
+	    if (x > 0) {
+		--x;
+	    } else {
+		beep();
+	    }
+	    break;
+	case KEY_RIGHT:
+	    ++x;
+	    break;
+	default:
+	    if (fkey) {
+		beep();
+	    } else if ((int) wcslen(buffer) < limit) {
+		int j;
+		for (j = (int) wcslen(buffer) + 1; j > x; --j) {
+		    buffer[j] = buffer[j - 1];
+		}
+		buffer[x++] = (wchar_t) ch;
+	    } else {
+		beep();
+	    }
+	}
+    }
+
+    wattroff(win, A_REVERSE);
+    wmove(win, y0, x0);
+    noecho();
+}
+
+#endif
+
+static void
+Pause(void)
+{
+    move(LINES - 1, 0);
+    addstr("Press any key to continue... ");
+    (void) Getchar();
+}
+
+static void
+Cannot(const char *what)
+{
+    printw("\nThis %s terminal %s\n\n", getenv("TERM"), what);
+    Pause();
+}
+
+static void
+ShellOut(bool message)
+{
+    if (message)
+	addstr("Shelling out...");
+    def_prog_mode();
+    endwin();
+#ifdef __MINGW32__
+    system("cmd.exe");
+#else
+    IGNORE_RC(system("sh"));
+#endif
+    if (message)
+	addstr("returned from shellout.\n");
+    refresh();
+}
+
+#ifdef NCURSES_MOUSE_VERSION
+/*
+ * This function is the same as _tracemouse(), but we cannot count on that
+ * being available in the non-debug library.
+ */
+static const char *
+mouse_decode(MEVENT const *ep)
+{
+    static char buf[80 + (5 * 10) + (32 * 15)];
+
+    (void) sprintf(buf, "id %2d at (%2d, %2d, %d) state %4lx = {",
+		   ep->id, ep->x, ep->y, ep->z, (unsigned long) ep->bstate);
+
+#define SHOW(m, s) if ((ep->bstate & m)==m) {strcat(buf,s); strcat(buf, ", ");}
+
+    SHOW(BUTTON1_RELEASED, "release-1");
+    SHOW(BUTTON1_PRESSED, "press-1");
+    SHOW(BUTTON1_CLICKED, "click-1");
+    SHOW(BUTTON1_DOUBLE_CLICKED, "doubleclick-1");
+    SHOW(BUTTON1_TRIPLE_CLICKED, "tripleclick-1");
+#if NCURSES_MOUSE_VERSION == 1
+    SHOW(BUTTON1_RESERVED_EVENT, "reserved-1");
+#endif
+
+    SHOW(BUTTON2_RELEASED, "release-2");
+    SHOW(BUTTON2_PRESSED, "press-2");
+    SHOW(BUTTON2_CLICKED, "click-2");
+    SHOW(BUTTON2_DOUBLE_CLICKED, "doubleclick-2");
+    SHOW(BUTTON2_TRIPLE_CLICKED, "tripleclick-2");
+#if NCURSES_MOUSE_VERSION == 1
+    SHOW(BUTTON2_RESERVED_EVENT, "reserved-2");
+#endif
+
+    SHOW(BUTTON3_RELEASED, "release-3");
+    SHOW(BUTTON3_PRESSED, "press-3");
+    SHOW(BUTTON3_CLICKED, "click-3");
+    SHOW(BUTTON3_DOUBLE_CLICKED, "doubleclick-3");
+    SHOW(BUTTON3_TRIPLE_CLICKED, "tripleclick-3");
+#if NCURSES_MOUSE_VERSION == 1
+    SHOW(BUTTON3_RESERVED_EVENT, "reserved-3");
+#endif
+
+    SHOW(BUTTON4_RELEASED, "release-4");
+    SHOW(BUTTON4_PRESSED, "press-4");
+    SHOW(BUTTON4_CLICKED, "click-4");
+    SHOW(BUTTON4_DOUBLE_CLICKED, "doubleclick-4");
+    SHOW(BUTTON4_TRIPLE_CLICKED, "tripleclick-4");
+#if NCURSES_MOUSE_VERSION == 1
+    SHOW(BUTTON4_RESERVED_EVENT, "reserved-4");
+#endif
+
+#if NCURSES_MOUSE_VERSION == 2
+    SHOW(BUTTON5_RELEASED, "release-5");
+    SHOW(BUTTON5_PRESSED, "press-5");
+    SHOW(BUTTON5_CLICKED, "click-5");
+    SHOW(BUTTON5_DOUBLE_CLICKED, "doubleclick-5");
+    SHOW(BUTTON5_TRIPLE_CLICKED, "tripleclick-5");
+#endif
+
+    SHOW(BUTTON_CTRL, "ctrl");
+    SHOW(BUTTON_SHIFT, "shift");
+    SHOW(BUTTON_ALT, "alt");
+    SHOW(ALL_MOUSE_EVENTS, "all-events");
+    SHOW(REPORT_MOUSE_POSITION, "position");
+
+#undef SHOW
+
+    if (buf[strlen(buf) - 1] == ' ')
+	buf[strlen(buf) - 2] = '\0';
+    (void) strcat(buf, "}");
+    return (buf);
+}
+
+static void
+show_mouse(WINDOW *win)
+{
+    int y, x;
+    MEVENT event;
+    bool outside;
+    bool show_loc;
+
+    getmouse(&event);
+    outside = !wenclose(win, event.y, event.x);
+
+    if (outside) {
+	(void) wstandout(win);
+	waddstr(win, "KEY_MOUSE");
+	(void) wstandend(win);
+    } else {
+	waddstr(win, "KEY_MOUSE");
+    }
+    wprintw(win, ", %s", mouse_decode(&event));
+
+    if (outside)
+	win = stdscr;
+
+    show_loc = wmouse_trafo(win, &event.y, &event.x, FALSE);
+
+    if (show_loc) {
+	getyx(win, y, x);
+	wmove(win, event.y, event.x);
+	waddch(win, '*');
+	wmove(win, y, x);
+    }
+
+    if (outside)
+	wnoutrefresh(win);
+}
+#endif /* NCURSES_MOUSE_VERSION */
+
+/****************************************************************************
+ *
+ * Character input test
+ *
+ ****************************************************************************/
+
+#define NUM_GETCH_FLAGS 256
+typedef bool GetchFlags[NUM_GETCH_FLAGS];
+
+static void
+setup_getch(WINDOW *win, GetchFlags flags)
+{
+    keypad(win, flags['k']);	/* should be redundant, but for testing */
+    meta(win, flags['m']);	/* force this to a known state */
+    if (flags['e'])
+	echo();
+    else
+	noecho();
+}
+
+static void
+init_getch(WINDOW *win, GetchFlags flags)
+{
+    memset(flags, FALSE, NUM_GETCH_FLAGS);
+    flags[UChar('k')] = (win == stdscr);
+    flags[UChar('m')] = TRUE;
+
+    setup_getch(win, flags);
+}
+
+static void
+wgetch_help(WINDOW *win, GetchFlags flags)
+{
+    static const char *help[] =
+    {
+	"e  -- toggle echo mode"
+	,"g  -- triggers a getstr test"
+	,"k  -- toggle keypad/literal mode"
+	,"m  -- toggle meta (7-bit/8-bit) mode"
+	,"^q -- quit"
+	,"s  -- shell out\n"
+	,"w  -- create a new window"
+#ifdef SIGTSTP
+	,"z  -- suspend this process"
+#endif
+    };
+    int y, x;
+    unsigned chk = ((SIZEOF(help) + 1) / 2);
+    unsigned n;
+
+    getyx(win, y, x);
+    move(0, 0);
+    printw("Type any key to see its %s value.  Also:\n",
+	   flags['k'] ? "keypad" : "literal");
+    for (n = 0; n < SIZEOF(help); ++n) {
+	int row = 1 + (int) (n % chk);
+	int col = (n >= chk) ? COLS / 2 : 0;
+	int flg = ((strstr(help[n], "toggle") != 0)
+		   && (flags[UChar(*help[n])] != FALSE));
+	if (flg)
+	    (void) standout();
+	MvPrintw(row, col, "%s", help[n]);
+	if (col == 0)
+	    clrtoeol();
+	if (flg)
+	    (void) standend();
+    }
+    wrefresh(stdscr);
+    wmove(win, y, x);
+}
+
+static void
+wgetch_wrap(WINDOW *win, int first_y)
+{
+    int last_y = getmaxy(win) - 1;
+    int y = getcury(win) + 1;
+
+    if (y >= last_y)
+	y = first_y;
+    wmove(win, y, 0);
+    wclrtoeol(win);
+}
+
+#if defined(KEY_RESIZE) && HAVE_WRESIZE
+typedef struct {
+    WINDOW *text;
+    WINDOW *frame;
+} WINSTACK;
+
+static WINSTACK *winstack = 0;
+static unsigned len_winstack = 0;
+
+static void
+forget_boxes(void)
+{
+    if (winstack != 0) {
+	free(winstack);
+    }
+    winstack = 0;
+    len_winstack = 0;
+}
+
+static void
+remember_boxes(unsigned level, WINDOW *txt_win, WINDOW *box_win)
+{
+    unsigned need = (level + 1) * 2;
+
+    assert(level < (unsigned) COLS);
+
+    if (winstack == 0) {
+	len_winstack = 20;
+	winstack = typeMalloc(WINSTACK, len_winstack);
+    } else if (need >= len_winstack) {
+	len_winstack = need;
+	winstack = typeRealloc(WINSTACK, len_winstack, winstack);
+    }
+    if (!winstack)
+	failed("remember_boxes");
+    winstack[level].text = txt_win;
+    winstack[level].frame = box_win;
+}
+
+#if USE_SOFTKEYS && (defined(NCURSES_VERSION_PATCH) && NCURSES_VERSION_PATCH < 20071229) && NCURSES_EXT_FUNCS
+static void
+slk_repaint(void)
+{
+    /* this chunk is now done in resize_term() */
+    slk_touch();
+    slk_clear();
+    slk_noutrefresh();
+}
+
+#else
+#define slk_repaint()		/* nothing */
+#endif
+
+#if defined(NCURSES_VERSION) && defined(KEY_RESIZE) && HAVE_WRESIZE
+/*
+ * For wgetch_test(), we create pairs of windows - one for a box, one for text.
+ * Resize both and paint the box in the parent.
+ */
+static void
+resize_boxes(unsigned level, WINDOW *win)
+{
+    unsigned n;
+    int base = 5;
+    int high = LINES - base;
+    int wide = COLS;
+
+    touchwin(stdscr);
+    wnoutrefresh(stdscr);
+
+    slk_repaint();
+
+    for (n = 0; n < level; ++n) {
+	wresize(winstack[n].frame, high, wide);
+	wresize(winstack[n].text, high - 2, wide - 2);
+	high -= 2;
+	wide -= 2;
+	werase(winstack[n].text);
+	box(winstack[n].frame, 0, 0);
+	wnoutrefresh(winstack[n].frame);
+	wprintw(winstack[n].text,
+		"size %dx%d\n",
+		getmaxy(winstack[n].text),
+		getmaxx(winstack[n].text));
+	wnoutrefresh(winstack[n].text);
+	if (winstack[n].text == win)
+	    break;
+    }
+    doupdate();
+}
+#endif /* resize_boxes */
+#else
+#define forget_boxes()		/* nothing */
+#define remember_boxes(level,text,frame)	/* nothing */
+#endif
+
+/*
+ * Return-code is OK/ERR or a keyname.
+ */
+static const char *
+ok_keyname(int code)
+{
+    return ((code == OK) ? "OK" : ((code == ERR) ? "ERR" : keyname(code)));
+}
+
+static void
+wgetch_test(unsigned level, WINDOW *win, int delay)
+{
+    char buf[BUFSIZ];
+    int first_y, first_x;
+    int c;
+    int incount = 0;
+    GetchFlags flags;
+    bool blocking = (delay < 0);
+
+    init_getch(win, flags);
+    wtimeout(win, delay);
+    getyx(win, first_y, first_x);
+
+    wgetch_help(win, flags);
+    wsetscrreg(win, first_y, getmaxy(win) - 1);
+    scrollok(win, TRUE);
+
+    for (;;) {
+	while ((c = wGetchar(win)) == ERR) {
+	    incount++;
+	    if (blocking) {
+		(void) wprintw(win, "%05d: input error", incount);
+		break;
+	    } else {
+		(void) wprintw(win, "%05d: input timed out", incount);
+	    }
+	    wgetch_wrap(win, first_y);
+	}
+	if (c == ERR && blocking) {
+	    wprintw(win, "ERR");
+	    wgetch_wrap(win, first_y);
+	} else if (isQuit(c)) {
+	    break;
+	} else if (c == 'e') {
+	    flags[UChar('e')] = !flags[UChar('e')];
+	    setup_getch(win, flags);
+	    wgetch_help(win, flags);
+	} else if (c == 'g') {
+	    waddstr(win, "getstr test: ");
+	    echo();
+	    c = wgetnstr(win, buf, sizeof(buf) - 1);
+	    noecho();
+	    wprintw(win, "I saw %d characters:\n\t`%s' (%s).",
+		    (int) strlen(buf), buf,
+		    ok_keyname(c));
+	    wclrtoeol(win);
+	    wgetch_wrap(win, first_y);
+	} else if (c == 'k') {
+	    flags[UChar('k')] = !flags[UChar('k')];
+	    setup_getch(win, flags);
+	    wgetch_help(win, flags);
+	} else if (c == 'm') {
+	    flags[UChar('m')] = !flags[UChar('m')];
+	    setup_getch(win, flags);
+	    wgetch_help(win, flags);
+	} else if (c == 's') {
+	    ShellOut(TRUE);
+	} else if (c == 'w') {
+	    int high = getmaxy(win) - 1 - first_y + 1;
+	    int wide = getmaxx(win) - first_x;
+	    int old_y, old_x;
+	    int new_y = first_y + getbegy(win);
+	    int new_x = first_x + getbegx(win);
+
+	    getyx(win, old_y, old_x);
+	    if (high > 2 && wide > 2) {
+		WINDOW *wb = newwin(high, wide, new_y, new_x);
+		WINDOW *wi = newwin(high - 2, wide - 2, new_y + 1, new_x + 1);
+
+		box(wb, 0, 0);
+		wrefresh(wb);
+		wmove(wi, 0, 0);
+		remember_boxes(level, wi, wb);
+		wgetch_test(level + 1, wi, delay);
+		delwin(wi);
+		delwin(wb);
+
+		wgetch_help(win, flags);
+		wmove(win, old_y, old_x);
+		touchwin(win);
+		wrefresh(win);
+		doupdate();
+	    }
+#ifdef SIGTSTP
+	} else if (c == 'z') {
+	    kill(getpid(), SIGTSTP);
+#endif
+	} else {
+	    wprintw(win, "Key pressed: %04o ", c);
+#ifdef NCURSES_MOUSE_VERSION
+	    if (c == KEY_MOUSE) {
+		show_mouse(win);
+	    } else
+#endif /* NCURSES_MOUSE_VERSION */
+	    if (c >= KEY_MIN) {
+#if defined(NCURSES_VERSION) && defined(KEY_RESIZE) && HAVE_WRESIZE
+		if (c == KEY_RESIZE) {
+		    resize_boxes(level, win);
+		}
+#endif
+		(void) waddstr(win, keyname(c));
+	    } else if (c >= 0x80) {
+		unsigned c2 = (unsigned) c;
+#if !(defined(NCURSES_VERSION) || defined(_XOPEN_CURSES))
+		/* at least Solaris SVR4 curses breaks unctrl(128), etc. */
+		c2 &= 0x7f;
+#endif
+		if (isprint(c))
+		    (void) wprintw(win, "%c", UChar(c));
+		else if (c2 != UChar(c))
+		    (void) wprintw(win, "M-%s", unctrl(c2));
+		else
+		    (void) wprintw(win, "%s", unctrl(c2));
+		waddstr(win, " (high-half character)");
+	    } else {
+		if (isprint(c))
+		    (void) wprintw(win, "%c (ASCII printable character)", c);
+		else
+		    (void) wprintw(win, "%s (ASCII control character)",
+				   unctrl(UChar(c)));
+	    }
+	    wgetch_wrap(win, first_y);
+	}
+    }
+
+    wtimeout(win, -1);
+
+    if (!level)
+	init_getch(win, flags);
+}
+
+static int
+begin_getch_test(void)
+{
+    char buf[BUFSIZ];
+    int delay;
+
+    refresh();
+
+#ifdef NCURSES_MOUSE_VERSION
+    mousemask(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION, (mmask_t *) 0);
+#endif
+
+    (void) printw("Delay in 10ths of a second (<CR> for blocking input)? ");
+    echo();
+    getnstr(buf, sizeof(buf) - 1);
+    noecho();
+    nonl();
+
+    if (isdigit(UChar(buf[0]))) {
+	delay = atoi(buf) * 100;
+    } else {
+	delay = -1;
+    }
+    raw();
+    move(5, 0);
+    return delay;
+}
+
+static void
+finish_getch_test(void)
+{
+#ifdef NCURSES_MOUSE_VERSION
+    mousemask(0, (mmask_t *) 0);
+#endif
+    erase();
+    noraw();
+    nl();
+    endwin();
+}
+
+static void
+getch_test(void)
+{
+    int delay = begin_getch_test();
+
+    slk_restore();
+    wgetch_test(0, stdscr, delay);
+    forget_boxes();
+    finish_getch_test();
+    slk_clear();
+}
+
+#if USE_WIDEC_SUPPORT
+/*
+ * For wget_wch_test(), we create pairs of windows - one for a box, one for text.
+ * Resize both and paint the box in the parent.
+ */
+#if defined(KEY_RESIZE) && HAVE_WRESIZE
+static void
+resize_wide_boxes(unsigned level, WINDOW *win)
+{
+    unsigned n;
+    int base = 5;
+    int high = LINES - base;
+    int wide = COLS;
+
+    touchwin(stdscr);
+    wnoutrefresh(stdscr);
+
+    slk_repaint();
+
+    for (n = 0; n < level; ++n) {
+	wresize(winstack[n].frame, high, wide);
+	wresize(winstack[n].text, high - 2, wide - 2);
+	high -= 2;
+	wide -= 2;
+	werase(winstack[n].text);
+	box_set(winstack[n].frame, 0, 0);
+	wnoutrefresh(winstack[n].frame);
+	wprintw(winstack[n].text,
+		"size %dx%d\n",
+		getmaxy(winstack[n].text),
+		getmaxx(winstack[n].text));
+	wnoutrefresh(winstack[n].text);
+	if (winstack[n].text == win)
+	    break;
+    }
+    doupdate();
+}
+#endif /* KEY_RESIZE */
+
+static char *
+wcstos(const wchar_t *src)
+{
+    int need;
+    char *result = 0;
+    const wchar_t *tmp = src;
+#ifndef state_unused
+    mbstate_t state;
+#endif
+
+    reset_wchars(state);
+    if ((need = (int) count_wchars(tmp, 0, &state)) > 0) {
+	unsigned have = (unsigned) need;
+	if ((result = typeCalloc(char, have + 1)) != 0) {
+	    tmp = src;
+	    if (trans_wchars(result, tmp, have, &state) != have) {
+		free(result);
+		result = 0;
+	    }
+	} else {
+	    failed("wcstos");
+	}
+    }
+    return result;
+}
+
+static void
+wget_wch_test(unsigned level, WINDOW *win, int delay)
+{
+    wchar_t wchar_buf[BUFSIZ];
+    wint_t wint_buf[BUFSIZ];
+    int first_y, first_x;
+    wint_t c;
+    int incount = 0;
+    GetchFlags flags;
+    bool blocking = (delay < 0);
+    int code;
+    char *temp;
+
+    init_getch(win, flags);
+    wtimeout(win, delay);
+    getyx(win, first_y, first_x);
+
+    wgetch_help(win, flags);
+    wsetscrreg(win, first_y, getmaxy(win) - 1);
+    scrollok(win, TRUE);
+
+    for (;;) {
+	while ((code = wGet_wchar(win, &c)) == ERR) {
+	    incount++;
+	    if (blocking) {
+		(void) wprintw(win, "%05d: input error", incount);
+		break;
+	    } else {
+		(void) wprintw(win, "%05d: input timed out", incount);
+	    }
+	    wgetch_wrap(win, first_y);
+	}
+	if (code == ERR && blocking) {
+	    wprintw(win, "ERR");
+	    wgetch_wrap(win, first_y);
+	} else if (isQuit((int) c)) {
+	    break;
+	} else if (c == 'e') {
+	    flags[UChar('e')] = !flags[UChar('e')];
+	    setup_getch(win, flags);
+	    wgetch_help(win, flags);
+	} else if (c == 'g') {
+	    waddstr(win, "getstr test: ");
+	    echo();
+	    code = wgetn_wstr(win, wint_buf, BUFSIZ - 1);
+	    noecho();
+	    if (code == ERR) {
+		wprintw(win, "wgetn_wstr returns an error.");
+	    } else {
+		int n;
+		for (n = 0; (wchar_buf[n] = (wchar_t) wint_buf[n]) != 0; ++n) {
+		    ;
+		}
+		if ((temp = wcstos(wchar_buf)) != 0) {
+		    wprintw(win, "I saw %d characters:\n\t`%s'.",
+			    (int) wcslen(wchar_buf), temp);
+		    free(temp);
+		} else {
+		    wprintw(win, "I saw %d characters (cannot convert).",
+			    (int) wcslen(wchar_buf));
+		}
+	    }
+	    wclrtoeol(win);
+	    wgetch_wrap(win, first_y);
+	} else if (c == 'k') {
+	    flags[UChar('k')] = !flags[UChar('k')];
+	    setup_getch(win, flags);
+	    wgetch_help(win, flags);
+	} else if (c == 'm') {
+	    flags[UChar('m')] = !flags[UChar('m')];
+	    setup_getch(win, flags);
+	    wgetch_help(win, flags);
+	} else if (c == 's') {
+	    ShellOut(TRUE);
+	} else if (c == 'w') {
+	    int high = getmaxy(win) - 1 - first_y + 1;
+	    int wide = getmaxx(win) - first_x;
+	    int old_y, old_x;
+	    int new_y = first_y + getbegy(win);
+	    int new_x = first_x + getbegx(win);
+
+	    getyx(win, old_y, old_x);
+	    if (high > 2 && wide > 2) {
+		WINDOW *wb = newwin(high, wide, new_y, new_x);
+		WINDOW *wi = newwin(high - 2, wide - 2, new_y + 1, new_x + 1);
+
+		box_set(wb, 0, 0);
+		wrefresh(wb);
+		wmove(wi, 0, 0);
+		remember_boxes(level, wi, wb);
+		wget_wch_test(level + 1, wi, delay);
+		delwin(wi);
+		delwin(wb);
+
+		wgetch_help(win, flags);
+		wmove(win, old_y, old_x);
+		touchwin(win);
+		wrefresh(win);
+	    }
+#ifdef SIGTSTP
+	} else if (c == 'z') {
+	    kill(getpid(), SIGTSTP);
+#endif
+	} else {
+	    wprintw(win, "Key pressed: %04o ", (int) c);
+#ifdef NCURSES_MOUSE_VERSION
+	    if (c == KEY_MOUSE) {
+		show_mouse(win);
+	    } else
+#endif /* NCURSES_MOUSE_VERSION */
+	    if (code == KEY_CODE_YES) {
+#if defined(KEY_RESIZE) && HAVE_WRESIZE
+		if (c == KEY_RESIZE) {
+		    resize_wide_boxes(level, win);
+		}
+#endif
+		(void) waddstr(win, keyname((wchar_t) c));
+	    } else {
+		(void) waddstr(win, key_name((wchar_t) c));
+		if (c < 256 && iscntrl(c)) {
+		    (void) wprintw(win, " (control character)");
+		} else {
+		    (void) wprintw(win, " = %#x (printable character)",
+				   (unsigned) c);
+		}
+	    }
+	    wgetch_wrap(win, first_y);
+	}
+    }
+
+    wtimeout(win, -1);
+
+    if (!level)
+	init_getch(win, flags);
+}
+
+static void
+get_wch_test(void)
+{
+    int delay = begin_getch_test();
+
+    slk_restore();
+    wget_wch_test(0, stdscr, delay);
+    forget_boxes();
+    finish_getch_test();
+    slk_clear();
+}
+#endif
+
+/****************************************************************************
+ *
+ * Character attributes test
+ *
+ ****************************************************************************/
+
+#if HAVE_SETUPTERM || HAVE_TGETENT
+#define get_ncv() TIGETNUM("ncv","NC")
+#define get_xmc() TIGETNUM("xmc","sg")
+#else
+#define get_ncv() -1
+#define get_xmc() -1
+#endif
+
+#if !HAVE_TERMATTRS
+static chtype
+my_termattrs(void)
+{
+    static int first = TRUE;
+    static chtype result = 0;
+
+    if (first) {
+#if !HAVE_TIGETSTR
+	char buffer[4096];
+	char parsed[4096];
+	char *area_pointer = parsed;
+
+	tgetent(buffer, getenv("TERM"));
+#endif
+
+	if (TIGETSTR("smso", "so"))
+	    result |= A_STANDOUT;
+	if (TIGETSTR("smul", "us"))
+	    result |= A_UNDERLINE;
+	if (TIGETSTR("rev", "mr"))
+	    result |= A_REVERSE;
+	if (TIGETSTR("blink", "mb"))
+	    result |= A_BLINK;
+	if (TIGETSTR("dim", "mh"))
+	    result |= A_DIM;
+	if (TIGETSTR("bold", "md"))
+	    result |= A_BOLD;
+	if (TIGETSTR("smacs", "ac"))
+	    result |= A_ALTCHARSET;
+
+	first = FALSE;
+    }
+    return result;
+}
+#define termattrs() my_termattrs()
+#endif
+
+#define ATTRSTRING_1ST 32	/* ' ' */
+#define ATTRSTRING_END 126	/* '~' */
+
+#define COL_ATTRSTRING 25
+#define MARGIN_4_ATTRS (COL_ATTRSTRING + 8)
+#define LEN_ATTRSTRING (COLS - MARGIN_4_ATTRS)
+#define MAX_ATTRSTRING (ATTRSTRING_END + 1 - ATTRSTRING_1ST)
+
+static char attr_test_string[MAX_ATTRSTRING + 1];
+
+static void
+attr_legend(WINDOW *helpwin)
+{
+    int row = 1;
+    int col = 1;
+
+    MvWPrintw(helpwin, row++, col,
+	      "ESC to exit.");
+    MvWPrintw(helpwin, row++, col,
+	      "^L repaints.");
+    ++row;
+    MvWPrintw(helpwin, row++, col,
+	      "Modify the test strings:");
+    MvWPrintw(helpwin, row++, col,
+	      "  A digit sets gaps on each side of displayed attributes");
+    MvWPrintw(helpwin, row++, col,
+	      "  </> shifts the text left/right. ");
+    ++row;
+    MvWPrintw(helpwin, row++, col,
+	      "Toggles:");
+    if (use_colors) {
+	MvWPrintw(helpwin, row++, col,
+		  "  f/F/b/F toggle foreground/background background color");
+	MvWPrintw(helpwin, row++, col,
+		  "  t/T     toggle text/background color attribute");
+    }
+    MvWPrintw(helpwin, row++, col,
+	      "  a/A     toggle ACS (alternate character set) mapping");
+    MvWPrintw(helpwin, row, col,
+	      "  v/V     toggle video attribute to combine with each line");
+#if USE_WIDEC_SUPPORT
+    MvWPrintw(helpwin, row, col,
+	      "  w/W     toggle normal/wide (double-width) test-characters");
+#endif
+}
+
+static void
+show_color_attr(int fg, int bg, int tx)
+{
+    if (use_colors) {
+	printw("  Colors (fg %d, bg %d", fg, bg);
+	if (tx >= 0)
+	    printw(", text %d", tx);
+	printw("),");
+    }
+}
+
+static bool
+cycle_color_attr(int ch, NCURSES_COLOR_T *fg, NCURSES_COLOR_T *bg, NCURSES_COLOR_T *tx)
+{
+    bool error = FALSE;
+
+    if (use_colors) {
+	switch (ch) {
+	case 'f':
+	    *fg = (NCURSES_COLOR_T) (*fg + 1);
+	    break;
+	case 'F':
+	    *fg = (NCURSES_COLOR_T) (*fg - 1);
+	    break;
+	case 'b':
+	    *bg = (NCURSES_COLOR_T) (*bg + 1);
+	    break;
+	case 'B':
+	    *bg = (NCURSES_COLOR_T) (*bg - 1);
+	    break;
+	case 't':
+	    *tx = (NCURSES_COLOR_T) (*tx + 1);
+	    break;
+	case 'T':
+	    *tx = (NCURSES_COLOR_T) (*tx - 1);
+	    break;
+	default:
+	    beep();
+	    error = TRUE;
+	    break;
+	}
+	if (*fg >= COLORS)
+	    *fg = (NCURSES_COLOR_T) min_colors;
+	if (*fg < min_colors)
+	    *fg = (NCURSES_COLOR_T) (COLORS - 1);
+	if (*bg >= COLORS)
+	    *bg = (NCURSES_COLOR_T) min_colors;
+	if (*bg < min_colors)
+	    *bg = (NCURSES_COLOR_T) (COLORS - 1);
+	if (*tx >= COLORS)
+	    *tx = -1;
+	if (*tx < -1)
+	    *tx = (NCURSES_COLOR_T) (COLORS - 1);
+    } else {
+	beep();
+	error = TRUE;
+    }
+    return error;
+}
+
+static void
+adjust_attr_string(int adjust)
+{
+    char save = attr_test_string[0];
+    int first = ((int) UChar(save)) + adjust;
+    int j, k;
+
+    if (first >= ATTRSTRING_1ST) {
+	for (j = 0, k = first; j < MAX_ATTRSTRING; ++j, ++k) {
+	    if (k > ATTRSTRING_END)
+		break;
+	    attr_test_string[j] = (char) k;
+	    if (((k + 1 - first) % 5) == 0) {
+		if (++j >= MAX_ATTRSTRING)
+		    break;
+		attr_test_string[j] = ' ';
+	    }
+	}
+	if ((LEN_ATTRSTRING - j) > 5) {
+	    attr_test_string[0] = save;
+	    adjust_attr_string(adjust - 1);
+	} else {
+	    while (j < MAX_ATTRSTRING)
+		attr_test_string[j++] = ' ';
+	    attr_test_string[j] = '\0';
+	}
+    }
+}
+
+/*
+ * Prefer the right-end of the string for starting, since that maps to the
+ * VT100 line-drawing.
+ */
+static int
+default_attr_string(void)
+{
+    int result = (ATTRSTRING_END - LEN_ATTRSTRING);
+    result += (LEN_ATTRSTRING / 5);
+    if (result < ATTRSTRING_1ST)
+	result = ATTRSTRING_1ST;
+    return result;
+}
+
+static void
+init_attr_string(void)
+{
+    attr_test_string[0] = (char) default_attr_string();
+    adjust_attr_string(0);
+}
+
+static int
+show_attr(WINDOW *win, int row, int skip, bool arrow, chtype attr, const char *name)
+{
+    int ncv = get_ncv();
+    chtype test = attr & (chtype) (~A_ALTCHARSET);
+
+    if (arrow)
+	MvPrintw(row, 5, "-->");
+    MvPrintw(row, 8, "%s mode:", name);
+    MvPrintw(row, COL_ATTRSTRING - 1, "|");
+    if (skip)
+	printw("%*s", skip, " ");
+    /*
+     * Just for testing, write text using the alternate character set one
+     * character at a time (to pass its rendition directly), and use the
+     * string operation for the other attributes.
+     */
+    wmove(win, 0, 0);
+    werase(win);
+    if (attr & A_ALTCHARSET) {
+	const char *s;
+	chtype ch;
+
+	for (s = attr_test_string; *s != '\0'; ++s) {
+	    ch = UChar(*s);
+	    (void) waddch(win, ch | attr);
+	}
+    } else {
+	(void) wattrset(win, AttrArg(attr, 0));
+	(void) waddstr(win, attr_test_string);
+	(void) wattroff(win, (int) attr);
+    }
+    if (skip)
+	printw("%*s", skip, " ");
+    MvPrintw(row, COL_ATTRSTRING + LEN_ATTRSTRING, "|");
+    if (test != A_NORMAL) {
+	if (!(termattrs() & test)) {
+	    printw(" (N/A)");
+	} else {
+	    if (ncv > 0 && stdscr && (getbkgd(stdscr) & A_COLOR)) {
+		static const chtype table[] =
+		{
+		    A_STANDOUT,
+		    A_UNDERLINE,
+		    A_REVERSE,
+		    A_BLINK,
+		    A_DIM,
+		    A_BOLD,
+#ifdef A_INVIS
+		    A_INVIS,
+#endif
+#ifdef A_ITALIC
+		    A_ITALIC,
+#endif
+		    A_PROTECT,
+		    A_ALTCHARSET
+		};
+		unsigned n;
+		bool found = FALSE;
+		for (n = 0; n < SIZEOF(table); n++) {
+		    if ((table[n] & attr) != 0
+			&& ((1 << n) & ncv) != 0) {
+			found = TRUE;
+			break;
+		    }
+		}
+		if (found)
+		    printw(" (NCV)");
+	    }
+	    if ((termattrs() & test) != test)
+		printw(" (Part)");
+	}
+    }
+    return row + 2;
+}
+
+typedef struct {
+    attr_t attr;
+    NCURSES_CONST char *name;
+} ATTR_TBL;
+/* *INDENT-OFF* */
+static const ATTR_TBL attrs_to_test[] = {
+    { A_STANDOUT,	"STANDOUT" },
+    { A_REVERSE,	"REVERSE" },
+    { A_BOLD,		"BOLD" },
+    { A_UNDERLINE,	"UNDERLINE" },
+    { A_DIM,		"DIM" },
+    { A_BLINK,		"BLINK" },
+    { A_PROTECT,	"PROTECT" },
+#ifdef A_INVIS
+    { A_INVIS,		"INVISIBLE" },
+#endif
+#ifdef A_ITALIC
+    { A_ITALIC,		"ITALIC" },
+#endif
+    { A_NORMAL,		"NORMAL" },
+};
+/* *INDENT-ON* */
+
+static unsigned
+init_attr_list(ATTR_TBL * target, attr_t attrs)
+{
+    unsigned result = 0;
+    size_t n;
+
+    for (n = 0; n < SIZEOF(attrs_to_test); ++n) {
+	attr_t test = attrs_to_test[n].attr;
+	if (test == A_NORMAL || (test & attrs) != 0) {
+	    target[result++] = attrs_to_test[n];
+	}
+    }
+    return result;
+}
+
+static bool
+attr_getc(int *skip,
+	  NCURSES_COLOR_T *fg,
+	  NCURSES_COLOR_T *bg,
+	  NCURSES_COLOR_T *tx,
+	  int *ac,
+	  unsigned *kc,
+	  unsigned limit)
+{
+    bool result = TRUE;
+    bool error = FALSE;
+    WINDOW *helpwin;
+
+    do {
+	int ch = Getchar();
+
+	error = FALSE;
+	if (ch < 256 && isdigit(ch)) {
+	    *skip = (ch - '0');
+	} else {
+	    switch (ch) {
+	    case CTRL('L'):
+		Repaint();
+		break;
+	    case '?':
+		if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != 0) {
+		    box(helpwin, 0, 0);
+		    attr_legend(helpwin);
+		    wGetchar(helpwin);
+		    delwin(helpwin);
+		}
+		break;
+	    case 'a':
+		*ac = 0;
+		break;
+	    case 'A':
+		*ac = A_ALTCHARSET;
+		break;
+	    case 'v':
+		if (*kc == 0)
+		    *kc = limit - 1;
+		else
+		    *kc -= 1;
+		break;
+	    case 'V':
+		*kc += 1;
+		if (*kc >= limit)
+		    *kc = 0;
+		break;
+	    case '<':
+		adjust_attr_string(-1);
+		break;
+	    case '>':
+		adjust_attr_string(1);
+		break;
+	    case case_QUIT:
+		result = FALSE;
+		break;
+	    default:
+		error = cycle_color_attr(ch, fg, bg, tx);
+		break;
+	    }
+	}
+    } while (error);
+    return result;
+}
+
+static void
+attr_test(void)
+/* test text attributes */
+{
+    int n;
+    int skip = get_xmc();
+    NCURSES_COLOR_T fg = COLOR_BLACK;	/* color pair 0 is special */
+    NCURSES_COLOR_T bg = COLOR_BLACK;
+    NCURSES_COLOR_T tx = -1;
+    int ac = 0;
+    unsigned j, k;
+    WINDOW *my_wins[SIZEOF(attrs_to_test)];
+    ATTR_TBL my_list[SIZEOF(attrs_to_test)];
+    unsigned my_size = init_attr_list(my_list, termattrs());
+
+    if (my_size > 1) {
+	for (j = 0; j < my_size; ++j) {
+	    my_wins[j] = subwin(stdscr,
+				1, LEN_ATTRSTRING,
+				2 + (int) (2 * j), COL_ATTRSTRING);
+	    scrollok(my_wins[j], FALSE);
+	}
+
+	if (skip < 0)
+	    skip = 0;
+
+	n = skip;		/* make it easy */
+	k = my_size - 1;
+	init_attr_string();
+
+	do {
+	    int row = 2;
+	    chtype normal = A_NORMAL | BLANK;
+	    chtype extras = (chtype) ac;
+
+	    if (use_colors) {
+		NCURSES_PAIRS_T pair = 0;
+		if ((fg != COLOR_BLACK) || (bg != COLOR_BLACK)) {
+		    pair = 1;
+		    if (init_pair(pair, fg, bg) == ERR) {
+			beep();
+		    } else {
+			normal |= (chtype) COLOR_PAIR(pair);
+		    }
+		}
+		if (tx >= 0) {
+		    pair = 2;
+		    if (init_pair(pair, tx, bg) == ERR) {
+			beep();
+		    } else {
+			extras |= (chtype) COLOR_PAIR(pair);
+			normal &= ~A_COLOR;
+		    }
+		}
+	    }
+	    bkgd(normal);
+	    bkgdset(normal);
+	    erase();
+
+	    box(stdscr, 0, 0);
+	    MvAddStr(0, 20, "Character attribute test display");
+
+	    for (j = 0; j < my_size; ++j) {
+		bool arrow = (j == k);
+		row = show_attr(my_wins[j], row, n, arrow,
+				normal |
+				extras |
+				my_list[j].attr |
+				my_list[k].attr,
+				my_list[j].name);
+	    }
+
+	    MvPrintw(row, 8,
+		     "This terminal does %shave the magic-cookie glitch",
+		     get_xmc() > -1 ? "" : "not ");
+	    MvPrintw(row + 1, 8, "Enter '?' for help.");
+	    show_color_attr(fg, bg, tx);
+	    printw("  ACS (%d)", ac != 0);
+
+	    refresh();
+	} while (attr_getc(&n, &fg, &bg, &tx, &ac, &k, my_size));
+
+	bkgdset(A_NORMAL | BLANK);
+	erase();
+	endwin();
+    } else {
+	Cannot("does not support video attributes.");
+    }
+}
+
+#if USE_WIDEC_SUPPORT
+static bool use_fullwidth;
+static wchar_t wide_attr_test_string[MAX_ATTRSTRING + 1];
+
+#define FULL_LO 0xff00
+#define FULL_HI 0xff5e
+#define HALF_LO 0x20
+
+#define isFullWidth(ch)   ((int)(ch) >= FULL_LO && (int)(ch) <= FULL_HI)
+#define ToNormalWidth(ch) (wchar_t) (((int)(ch) - FULL_LO) + HALF_LO)
+#define ToFullWidth(ch)   (wchar_t) (((int)(ch) - HALF_LO) + FULL_LO)
+
+/*
+ * Returns an ASCII code in [32..126]
+ */
+static wchar_t
+normal_wchar(int ch)
+{
+    wchar_t result = (wchar_t) ch;
+    if (isFullWidth(ch))
+	result = ToNormalWidth(ch);
+    return result;
+}
+
+/*
+ * Returns either an ASCII code in in [32..126] or full-width in
+ * [0xff00..0xff5e], according to use_fullwidth setting.
+ */
+static wchar_t
+target_wchar(int ch)
+{
+    wchar_t result = (wchar_t) ch;
+    if (use_fullwidth) {
+	if (!isFullWidth(ch))
+	    result = ToFullWidth(ch);
+    } else {
+	if (isFullWidth(ch))
+	    result = ToNormalWidth(ch);
+    }
+    return result;
+}
+
+static void
+wide_adjust_attr_string(int adjust)
+{
+    wchar_t save = wide_attr_test_string[0];
+    int first = ((int) normal_wchar(save)) + adjust;
+    int j, k;
+
+    if (first >= ATTRSTRING_1ST) {
+	for (j = 0, k = first; j < MAX_ATTRSTRING; ++j, ++k) {
+	    if (k > ATTRSTRING_END)
+		break;
+	    wide_attr_test_string[j] = target_wchar(k);
+	    if (((k + 1 - first) % 5) == 0) {
+		if (++j >= MAX_ATTRSTRING)
+		    break;
+		wide_attr_test_string[j] = ' ';
+	    }
+	}
+	if ((LEN_ATTRSTRING - j) > 5) {
+	    wide_attr_test_string[0] = save;
+	    wide_adjust_attr_string(adjust - 1);
+	} else {
+	    while (j < MAX_ATTRSTRING)
+		wide_attr_test_string[j++] = ' ';
+	    wide_attr_test_string[j] = '\0';
+	}
+    }
+}
+
+static void
+wide_init_attr_string(void)
+{
+    use_fullwidth = FALSE;
+    wide_attr_test_string[0] = (wchar_t) default_attr_string();
+    wide_adjust_attr_string(0);
+}
+
+static void
+set_wide_background(NCURSES_PAIRS_T pair)
+{
+    cchar_t normal;
+    wchar_t blank[2];
+
+    blank[0] = ' ';
+    blank[1] = 0;
+    setcchar(&normal, blank, A_NORMAL, pair, 0);
+    bkgrnd(&normal);
+    bkgrndset(&normal);
+}
+
+static attr_t
+get_wide_background(void)
+{
+    attr_t result = A_NORMAL;
+    attr_t attr;
+    cchar_t ch;
+    NCURSES_PAIRS_T pair;
+    wchar_t wch[10];
+
+    memset(&ch, 0, sizeof(ch));
+    if (getbkgrnd(&ch) != ERR) {
+	if (getcchar(&ch, wch, &attr, &pair, 0) != ERR) {
+	    result = attr;
+	}
+    }
+    return result;
+}
+
+static int
+wide_show_attr(WINDOW *win,
+	       int row,
+	       int skip,
+	       bool arrow,
+	       chtype attr,
+	       NCURSES_PAIRS_T pair,
+	       const char *name)
+{
+    int ncv = get_ncv();
+    chtype test = attr & ~WA_ALTCHARSET;
+
+    if (arrow)
+	MvPrintw(row, 5, "-->");
+    MvPrintw(row, 8, "%s mode:", name);
+    MvPrintw(row, COL_ATTRSTRING - 1, "|");
+    if (skip)
+	printw("%*s", skip, " ");
+
+    /*
+     * Just for testing, write text using the alternate character set one
+     * character at a time (to pass its rendition directly), and use the
+     * string operation for the other attributes.
+     */
+    wmove(win, 0, 0);
+    werase(win);
+    if (attr & WA_ALTCHARSET) {
+	const wchar_t *s;
+	cchar_t ch;
+
+	for (s = wide_attr_test_string; *s != L'\0'; ++s) {
+	    wchar_t fill[2];
+	    fill[0] = *s;
+	    fill[1] = L'\0';
+	    setcchar(&ch, fill, attr, pair, 0);
+	    (void) wadd_wch(win, &ch);
+	}
+    } else {
+	attr_t old_attr = 0;
+	NCURSES_PAIRS_T old_pair = 0;
+
+	(void) (wattr_get) (win, &old_attr, &old_pair, 0);
+	(void) wattr_set(win, attr, pair, 0);
+	(void) waddwstr(win, wide_attr_test_string);
+	(void) wattr_set(win, old_attr, old_pair, 0);
+    }
+    if (skip)
+	printw("%*s", skip, " ");
+    MvPrintw(row, COL_ATTRSTRING + LEN_ATTRSTRING, "|");
+    if (test != A_NORMAL) {
+	if (!(term_attrs() & test)) {
+	    printw(" (N/A)");
+	} else {
+	    if (ncv > 0 && (get_wide_background() & A_COLOR)) {
+		static const attr_t table[] =
+		{
+		    WA_STANDOUT,
+		    WA_UNDERLINE,
+		    WA_REVERSE,
+		    WA_BLINK,
+		    WA_DIM,
+		    WA_BOLD,
+		    WA_INVIS,
+		    WA_PROTECT,
+		    WA_ALTCHARSET
+		};
+		unsigned n;
+		bool found = FALSE;
+		for (n = 0; n < SIZEOF(table); n++) {
+		    if ((table[n] & attr) != 0
+			&& ((1 << n) & ncv) != 0) {
+			found = TRUE;
+			break;
+		    }
+		}
+		if (found)
+		    printw(" (NCV)");
+	    }
+	    if ((term_attrs() & test) != test)
+		printw(" (Part)");
+	}
+    }
+    return row + 2;
+}
+
+static bool
+wide_attr_getc(int *skip,
+	       NCURSES_COLOR_T *fg, NCURSES_COLOR_T *bg,
+	       NCURSES_COLOR_T *tx, int *ac,
+	       unsigned *kc, unsigned limit)
+{
+    bool result = TRUE;
+    bool error = FALSE;
+    WINDOW *helpwin;
+
+    do {
+	int ch = Getchar();
+
+	error = FALSE;
+	if (ch < 256 && isdigit(ch)) {
+	    *skip = (ch - '0');
+	} else {
+	    switch (ch) {
+	    case CTRL('L'):
+		Repaint();
+		break;
+	    case '?':
+		if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != 0) {
+		    box_set(helpwin, 0, 0);
+		    attr_legend(helpwin);
+		    wGetchar(helpwin);
+		    delwin(helpwin);
+		}
+		break;
+	    case 'a':
+		*ac = 0;
+		break;
+	    case 'A':
+		*ac = A_ALTCHARSET;
+		break;
+	    case 'v':
+		if (*kc == 0)
+		    *kc = limit - 1;
+		else
+		    *kc -= 1;
+		break;
+	    case 'V':
+		*kc += 1;
+		if (*kc >= limit)
+		    *kc = 0;
+		break;
+	    case 'w':
+		use_fullwidth = FALSE;
+		wide_adjust_attr_string(0);
+		break;
+	    case 'W':
+		use_fullwidth = TRUE;
+		wide_adjust_attr_string(0);
+		break;
+	    case '<':
+		wide_adjust_attr_string(-1);
+		break;
+	    case '>':
+		wide_adjust_attr_string(1);
+		break;
+	    case case_QUIT:
+		result = FALSE;
+		break;
+	    default:
+		error = cycle_color_attr(ch, fg, bg, tx);
+		break;
+	    }
+	}
+    } while (error);
+    return result;
+}
+
+static void
+wide_attr_test(void)
+/* test text attributes using wide-character calls */
+{
+    int n;
+    int skip = get_xmc();
+    NCURSES_COLOR_T fg = COLOR_BLACK;	/* color pair 0 is special */
+    NCURSES_COLOR_T bg = COLOR_BLACK;
+    NCURSES_COLOR_T tx = -1;
+    int ac = 0;
+    unsigned j, k;
+    ATTR_TBL my_list[SIZEOF(attrs_to_test)];
+    WINDOW *my_wins[SIZEOF(attrs_to_test)];
+    unsigned my_size = init_attr_list(my_list, term_attrs());
+
+    if (my_size > 1) {
+	for (j = 0; j < my_size; ++j) {
+	    my_wins[j] = subwin(stdscr,
+				1, LEN_ATTRSTRING,
+				2 + (int) (2 * j), COL_ATTRSTRING);
+	    scrollok(my_wins[j], FALSE);
+	}
+
+	if (skip < 0)
+	    skip = 0;
+
+	n = skip;		/* make it easy */
+	k = my_size - 1;
+	wide_init_attr_string();
+
+	do {
+	    int row = 2;
+	    NCURSES_PAIRS_T pair = 0;
+	    NCURSES_PAIRS_T extras = 0;
+
+	    if (use_colors) {
+		pair = (NCURSES_PAIRS_T) (fg != COLOR_BLACK || bg != COLOR_BLACK);
+		if (pair != 0) {
+		    pair = 1;
+		    if (init_pair(pair, fg, bg) == ERR) {
+			beep();
+		    }
+		}
+		extras = pair;
+		if (tx >= 0) {
+		    extras = 2;
+		    if (init_pair(extras, tx, bg) == ERR) {
+			beep();
+		    }
+		}
+	    }
+	    set_wide_background(pair);
+	    erase();
+
+	    box_set(stdscr, 0, 0);
+	    MvAddStr(0, 20, "Character attribute test display");
+
+	    for (j = 0; j < my_size; ++j) {
+		row = wide_show_attr(my_wins[j], row, n, (j == k),
+				     ((attr_t) ac |
+				      my_list[j].attr |
+				      my_list[k].attr),
+				     extras,
+				     my_list[j].name);
+	    }
+
+	    MvPrintw(row, 8,
+		     "This terminal does %shave the magic-cookie glitch",
+		     get_xmc() > -1 ? "" : "not ");
+	    MvPrintw(row + 1, 8, "Enter '?' for help.");
+	    show_color_attr(fg, bg, tx);
+	    printw("  ACS (%d)", ac != 0);
+
+	    refresh();
+	} while (wide_attr_getc(&n, &fg, &bg, &tx, &ac, &k, my_size));
+
+	set_wide_background(0);
+	erase();
+	endwin();
+    } else {
+	Cannot("does not support extended video attributes.");
+    }
+}
+#endif
+
+/****************************************************************************
+ *
+ * Color support tests
+ *
+ ****************************************************************************/
+
+static NCURSES_CONST char *the_color_names[] =
+{
+    "black",
+    "red",
+    "green",
+    "yellow",
+    "blue",
+    "magenta",
+    "cyan",
+    "white",
+    "BLACK",
+    "RED",
+    "GREEN",
+    "YELLOW",
+    "BLUE",
+    "MAGENTA",
+    "CYAN",
+    "WHITE"
+};
+
+static void
+show_color_name(int y, int x, int color, bool wide)
+{
+    if (move(y, x) != ERR) {
+	char temp[80];
+	int width = 8;
+
+	if (wide) {
+	    sprintf(temp, "%02d", color);
+	    width = 4;
+	} else if (color >= 8) {
+	    sprintf(temp, "[%02d]", color);
+	} else if (color < 0) {
+	    strcpy(temp, "default");
+	} else {
+	    sprintf(temp, "%.*s", 16, the_color_names[color]);
+	}
+	printw("%-*.*s", width, width, temp);
+    }
+}
+
+static void
+color_legend(WINDOW *helpwin, bool wide)
+{
+    int row = 1;
+    int col = 1;
+
+    MvWPrintw(helpwin, row++, col,
+	      "ESC to exit.");
+    ++row;
+    MvWPrintw(helpwin, row++, col,
+	      "Use up/down arrow to scroll through the display if it is");
+    MvWPrintw(helpwin, row++, col,
+	      "longer than one screen. Control/N and Control/P can be used");
+    MvWPrintw(helpwin, row++, col,
+	      "in place of up/down arrow.  Use pageup/pagedown to scroll a");
+    MvWPrintw(helpwin, row++, col,
+	      "full screen; control/B and control/F can be used here.");
+    ++row;
+    MvWPrintw(helpwin, row++, col,
+	      "Toggles:");
+    MvWPrintw(helpwin, row++, col,
+	      "  a/A     toggle altcharset off/on");
+    MvWPrintw(helpwin, row++, col,
+	      "  b/B     toggle bold off/on");
+    if (has_colors()) {
+	MvWPrintw(helpwin, row++, col,
+		  "  c/C     cycle used-colors through 8,16,...,COLORS");
+    }
+    MvWPrintw(helpwin, row++, col,
+	      "  n/N     toggle text/number on/off");
+    MvWPrintw(helpwin, row++, col,
+	      "  r/R     toggle reverse on/off");
+    MvWPrintw(helpwin, row++, col,
+	      "  w/W     toggle width between 8/16 colors");
+#if USE_WIDEC_SUPPORT
+    if (wide) {
+	MvWPrintw(helpwin, row++, col,
+		  "Wide characters:");
+	MvWPrintw(helpwin, row, col,
+		  "  x/X     toggle text between ASCII and wide-character");
+    }
+#else
+    (void) wide;
+#endif
+}
+
+#define set_color_test(name, value) if (name != value) { name = value; base_row = 0; }
+
+static int
+color_cycle(int current, int step)
+{
+    int result = current;
+    if (step < 0) {
+	if (current <= 8) {
+	    result = COLORS;
+	} else {
+	    result = 8;
+	    if ((result * 2) > COLORS) {
+		result = COLORS;
+	    } else {
+		while ((result * 2) < current) {
+		    result *= 2;
+		}
+	    }
+	}
+    } else {
+	if (current >= COLORS) {
+	    result = 8;
+	} else {
+	    result *= 2;
+	}
+	if (result > COLORS)
+	    result = COLORS;
+    }
+    return result;
+}
+
+/* generate a color test pattern */
+static void
+color_test(void)
+{
+    NCURSES_PAIRS_T i;
+    int top = 0, width;
+    int base_row = 0;
+    int grid_top = top + 3;
+    int page_size = (LINES - grid_top);
+    int pairs_max;
+    int colors_max = COLORS;
+    int row_limit;
+    int per_row;
+    char numbered[80];
+    const char *hello;
+    bool done = FALSE;
+    bool opt_acsc = FALSE;
+    bool opt_bold = FALSE;
+    bool opt_revs = FALSE;
+    bool opt_nums = FALSE;
+    bool opt_wide = FALSE;
+    WINDOW *helpwin;
+
+    while (!done) {
+	int shown = 0;
+
+	pairs_max = PAIR_NUMBER(A_COLOR) + 1;
+	if (colors_max * colors_max <= COLOR_PAIRS) {
+	    int limit = (colors_max - min_colors) * (colors_max - min_colors);
+	    if (pairs_max > limit)
+		pairs_max = limit;
+	} else {
+	    if (pairs_max > COLOR_PAIRS)
+		pairs_max = COLOR_PAIRS;
+	}
+
+	/* this assumes an 80-column line */
+	if (opt_wide) {
+	    width = 4;
+	    hello = "Test";
+	    per_row = (colors_max > 8) ? 16 : 8;
+	} else {
+	    width = 8;
+	    hello = "Hello";
+	    per_row = 8;
+	}
+	per_row -= min_colors;
+
+	row_limit = (pairs_max + per_row - 1) / per_row;
+
+	move(0, 0);
+	(void) printw("There are %d color pairs and %d colors",
+		      pairs_max, COLORS);
+	if (colors_max != COLORS)
+	    (void) printw(" (using %d colors)", colors_max);
+	if (min_colors)
+	    (void) addstr(" besides 'default'");
+
+	clrtobot();
+	MvPrintw(top + 1, 0,
+		 "%dx%d matrix of foreground/background colors, bold *%s*\n",
+		 row_limit,
+		 per_row,
+		 opt_bold ? "on" : "off");
+
+	/* show color names/numbers across the top */
+	for (i = 0; i < per_row; i++)
+	    show_color_name(top + 2, (i + 1) * width, i + min_colors, opt_wide);
+
+	/* show a grid of colors, with color names/ numbers on the left */
+	for (i = (NCURSES_PAIRS_T) (base_row * per_row); i < pairs_max; i++) {
+	    int row = grid_top + (i / per_row) - base_row;
+	    int col = (i % per_row + 1) * width;
+	    NCURSES_PAIRS_T pair = i;
+
+#define InxToFG(i) (NCURSES_COLOR_T) ((i % (colors_max - min_colors)) + min_colors)
+#define InxToBG(i) (NCURSES_COLOR_T) ((i / (colors_max - min_colors)) + min_colors)
+	    if (row >= 0 && move(row, col) != ERR) {
+		NCURSES_COLOR_T fg = InxToFG(i);
+		NCURSES_COLOR_T bg = InxToBG(i);
+
+		init_pair(pair, fg, bg);
+		attron(COLOR_PAIR(pair));
+		if (opt_acsc)
+		    attron(A_ALTCHARSET);
+		if (opt_bold)
+		    attron(A_BOLD);
+		if (opt_revs)
+		    attron(A_REVERSE);
+
+		if (opt_nums) {
+		    sprintf(numbered, "{%02X}", (int) i);
+		    hello = numbered;
+		}
+		printw("%-*.*s", width, width, hello);
+		(void) attrset(A_NORMAL);
+
+		if ((i % per_row) == 0 && InxToFG(i) == min_colors) {
+		    show_color_name(row, 0, InxToBG(i), opt_wide);
+		}
+		++shown;
+	    } else if (shown) {
+		break;
+	    }
+	}
+
+	switch (wGetchar(stdscr)) {
+	case 'a':
+	    opt_acsc = FALSE;
+	    break;
+	case 'A':
+	    opt_acsc = TRUE;
+	    break;
+	case 'b':
+	    opt_bold = FALSE;
+	    break;
+	case 'B':
+	    opt_bold = TRUE;
+	    break;
+	case 'c':
+	    colors_max = color_cycle(colors_max, -1);
+	    break;
+	case 'C':
+	    colors_max = color_cycle(colors_max, 1);
+	    break;
+	case 'n':
+	    opt_nums = FALSE;
+	    break;
+	case 'N':
+	    opt_nums = TRUE;
+	    break;
+	case 'r':
+	    opt_revs = FALSE;
+	    break;
+	case 'R':
+	    opt_revs = TRUE;
+	    break;
+	case case_QUIT:
+	    done = TRUE;
+	    continue;
+	case 'w':
+	    set_color_test(opt_wide, FALSE);
+	    break;
+	case 'W':
+	    set_color_test(opt_wide, TRUE);
+	    break;
+	case CTRL('p'):
+	case KEY_UP:
+	    if (base_row <= 0) {
+		beep();
+	    } else {
+		base_row -= 1;
+	    }
+	    break;
+	case CTRL('n'):
+	case KEY_DOWN:
+	    if (base_row + page_size >= row_limit) {
+		beep();
+	    } else {
+		base_row += 1;
+	    }
+	    break;
+	case CTRL('b'):
+	case KEY_PREVIOUS:
+	case KEY_PPAGE:
+	    if (base_row <= 0) {
+		beep();
+	    } else {
+		base_row -= (page_size - 1);
+		if (base_row < 0)
+		    base_row = 0;
+	    }
+	    break;
+	case CTRL('f'):
+	case KEY_NEXT:
+	case KEY_NPAGE:
+	    if (base_row + page_size >= row_limit) {
+		beep();
+	    } else {
+		base_row += page_size - 1;
+		if (base_row + page_size >= row_limit) {
+		    base_row = row_limit - page_size - 1;
+		}
+	    }
+	    break;
+	case '?':
+	    if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != 0) {
+		box(helpwin, 0, 0);
+		color_legend(helpwin, FALSE);
+		wGetchar(helpwin);
+		delwin(helpwin);
+	    }
+	    break;
+	default:
+	    beep();
+	    continue;
+	}
+    }
+
+    erase();
+    endwin();
+}
+
+#if USE_WIDEC_SUPPORT
+/* generate a color test pattern */
+static void
+wide_color_test(void)
+{
+    int i;
+    int top = 0, width;
+    int base_row = 0;
+    int grid_top = top + 3;
+    int page_size = (LINES - grid_top);
+    int pairs_max = (unsigned short) (-1);
+    int colors_max = COLORS;
+    int row_limit;
+    int per_row;
+    char numbered[80];
+    const char *hello;
+    bool done = FALSE;
+    bool opt_acsc = FALSE;
+    bool opt_bold = FALSE;
+    bool opt_revs = FALSE;
+    bool opt_wide = FALSE;
+    bool opt_nums = FALSE;
+    bool opt_xchr = FALSE;
+    wchar_t buffer[80];
+    WINDOW *helpwin;
+
+    while (!done) {
+	int shown = 0;
+
+	pairs_max = (unsigned short) (-1);
+	if (colors_max * colors_max <= COLOR_PAIRS) {
+	    int limit = (colors_max - min_colors) * (colors_max - min_colors);
+	    if (pairs_max > limit)
+		pairs_max = limit;
+	} else {
+	    if (pairs_max > COLOR_PAIRS)
+		pairs_max = COLOR_PAIRS;
+	}
+
+	/* this assumes an 80-column line */
+	if (opt_wide) {
+	    width = 4;
+	    hello = "Test";
+	    per_row = (colors_max > 8) ? 16 : 8;
+	} else {
+	    width = 8;
+	    hello = "Hello";
+	    per_row = 8;
+	}
+	per_row -= min_colors;
+
+	if (opt_xchr) {
+	    make_fullwidth_text(buffer, hello);
+	    width *= 2;
+	    per_row /= 2;
+	} else {
+	    make_narrow_text(buffer, hello);
+	}
+
+	row_limit = (pairs_max + per_row - 1) / per_row;
+
+	move(0, 0);
+	(void) printw("There are %d color pairs and %d colors",
+		      pairs_max, COLORS);
+	if (colors_max != COLORS)
+	    (void) printw(" (using %d colors)", colors_max);
+	if (min_colors)
+	    (void) addstr(" besides 'default'");
+
+	clrtobot();
+	MvPrintw(top + 1, 0,
+		 "%dx%d matrix of foreground/background colors, bold *%s*\n",
+		 row_limit,
+		 per_row,
+		 opt_bold ? "on" : "off");
+
+	/* show color names/numbers across the top */
+	for (i = 0; i < per_row; i++)
+	    show_color_name(top + 2, (i + 1) * width, i + min_colors, opt_wide);
+
+	/* show a grid of colors, with color names/ numbers on the left */
+	for (i = (base_row * per_row); i < pairs_max; i++) {
+	    int row = grid_top + (i / per_row) - base_row;
+	    int col = (i % per_row + 1) * width;
+	    NCURSES_PAIRS_T pair = (NCURSES_PAIRS_T) i;
+
+	    if (row >= 0 && move(row, col) != ERR) {
+		init_pair(pair, InxToFG(i), InxToBG(i));
+		(void) color_set(pair, NULL);
+		if (opt_acsc)
+		    attr_on(A_ALTCHARSET, NULL);
+		if (opt_bold)
+		    attr_on(A_BOLD, NULL);
+		if (opt_revs)
+		    attr_on(A_REVERSE, NULL);
+
+		if (opt_nums) {
+		    sprintf(numbered, "{%02X}", i);
+		    if (opt_xchr) {
+			make_fullwidth_text(buffer, numbered);
+		    } else {
+			make_narrow_text(buffer, numbered);
+		    }
+		}
+		addnwstr(buffer, width);
+		(void) attr_set(A_NORMAL, 0, NULL);
+
+		if ((i % per_row) == 0 && InxToFG(i) == min_colors) {
+		    show_color_name(row, 0, InxToBG(i), opt_wide);
+		}
+		++shown;
+	    } else if (shown) {
+		break;
+	    }
+	}
+
+	switch (wGetchar(stdscr)) {
+	case 'a':
+	    opt_acsc = FALSE;
+	    break;
+	case 'A':
+	    opt_acsc = TRUE;
+	    break;
+	case 'b':
+	    opt_bold = FALSE;
+	    break;
+	case 'B':
+	    opt_bold = TRUE;
+	    break;
+	case 'c':
+	    colors_max = color_cycle(colors_max, -1);
+	    break;
+	case 'C':
+	    colors_max = color_cycle(colors_max, 1);
+	    break;
+	case 'n':
+	    opt_nums = FALSE;
+	    break;
+	case 'N':
+	    opt_nums = TRUE;
+	    break;
+	case 'r':
+	    opt_revs = FALSE;
+	    break;
+	case 'R':
+	    opt_revs = TRUE;
+	    break;
+	case case_QUIT:
+	    done = TRUE;
+	    continue;
+	case 'w':
+	    set_color_test(opt_wide, FALSE);
+	    break;
+	case 'W':
+	    set_color_test(opt_wide, TRUE);
+	    break;
+	case 'x':
+	    opt_xchr = FALSE;
+	    break;
+	case 'X':
+	    opt_xchr = TRUE;
+	    break;
+	case CTRL('p'):
+	case KEY_UP:
+	    if (base_row <= 0) {
+		beep();
+	    } else {
+		base_row -= 1;
+	    }
+	    break;
+	case CTRL('n'):
+	case KEY_DOWN:
+	    if (base_row + page_size >= row_limit) {
+		beep();
+	    } else {
+		base_row += 1;
+	    }
+	    break;
+	case CTRL('b'):
+	case KEY_PREVIOUS:
+	case KEY_PPAGE:
+	    if (base_row <= 0) {
+		beep();
+	    } else {
+		base_row -= (page_size - 1);
+		if (base_row < 0)
+		    base_row = 0;
+	    }
+	    break;
+	case CTRL('f'):
+	case KEY_NEXT:
+	case KEY_NPAGE:
+	    if (base_row + page_size >= row_limit) {
+		beep();
+	    } else {
+		base_row += page_size - 1;
+		if (base_row + page_size >= row_limit) {
+		    base_row = row_limit - page_size - 1;
+		}
+	    }
+	    break;
+	case '?':
+	    if ((helpwin = newwin(LINES - 1, COLS - 2, 0, 0)) != 0) {
+		box(helpwin, 0, 0);
+		color_legend(helpwin, TRUE);
+		wGetchar(helpwin);
+		delwin(helpwin);
+	    }
+	    break;
+	default:
+	    beep();
+	    continue;
+	}
+    }
+
+    erase();
+    endwin();
+}
+#endif /* USE_WIDEC_SUPPORT */
+
+static void
+change_color(NCURSES_PAIRS_T current, int field, int value, int usebase)
+{
+    NCURSES_COLOR_T red, green, blue;
+
+    color_content(current, &red, &green, &blue);
+
+    switch (field) {
+    case 0:
+	red = (NCURSES_COLOR_T) (usebase ? (red + value) : value);
+	break;
+    case 1:
+	green = (NCURSES_COLOR_T) (usebase ? (green + value) : value);
+	break;
+    case 2:
+	blue = (NCURSES_COLOR_T) (usebase ? (blue + value) : value);
+	break;
+    }
+
+    if (init_color(current, red, green, blue) == ERR)
+	beep();
+}
+
+static void
+init_all_colors(void)
+{
+    NCURSES_PAIRS_T c;
+
+    for (c = 0; c < COLORS; ++c)
+	init_color(c,
+		   all_colors[c].red,
+		   all_colors[c].green,
+		   all_colors[c].blue);
+}
+
+#define scaled_rgb(n) ((255 * (n)) / 1000)
+
+static void
+color_edit(void)
+/* display the color test pattern, without trying to edit colors */
+{
+    int i;
+    int current = 0;
+    int this_c = 0, value = 0, field = 0;
+    int last_c;
+    int top_color = 0;
+    int page_size = (LINES - 6);
+
+    init_all_colors();
+    refresh();
+
+    for (i = 0; i < max_colors; i++)
+	init_pair((NCURSES_PAIRS_T) i,
+		  (NCURSES_COLOR_T) COLOR_WHITE,
+		  (NCURSES_COLOR_T) i);
+
+    MvPrintw(LINES - 2, 0, "Number: %d", value);
+
+    do {
+	NCURSES_COLOR_T red, green, blue;
+
+	attron(A_BOLD);
+	MvAddStr(0, 20, "Color RGB Value Editing");
+	attroff(A_BOLD);
+
+	for (i = (NCURSES_COLOR_T) top_color;
+	     (i - top_color < page_size)
+	     && (i < max_colors); i++) {
+	    char numeric[80];
+
+	    sprintf(numeric, "[%d]", i);
+	    MvPrintw(2 + i - top_color, 0, "%c %-8s:",
+		     (i == current ? '>' : ' '),
+		     (i < (int) SIZEOF(the_color_names)
+		      ? the_color_names[i] : numeric));
+	    (void) attrset(AttrArg(COLOR_PAIR(i), 0));
+	    addstr("        ");
+	    (void) attrset(A_NORMAL);
+
+	    color_content((NCURSES_PAIRS_T) i, &red, &green, &blue);
+	    addstr("   R = ");
+	    if (current == i && field == 0)
+		attron(A_STANDOUT);
+	    printw("%04d", (int) red);
+	    if (current == i && field == 0)
+		(void) attrset(A_NORMAL);
+	    addstr(", G = ");
+	    if (current == i && field == 1)
+		attron(A_STANDOUT);
+	    printw("%04d", (int) green);
+	    if (current == i && field == 1)
+		(void) attrset(A_NORMAL);
+	    addstr(", B = ");
+	    if (current == i && field == 2)
+		attron(A_STANDOUT);
+	    printw("%04d", (int) blue);
+	    if (current == i && field == 2)
+		(void) attrset(A_NORMAL);
+	    (void) attrset(A_NORMAL);
+	    printw(" ( %3d %3d %3d )",
+		   (int) scaled_rgb(red),
+		   (int) scaled_rgb(green),
+		   (int) scaled_rgb(blue));
+	}
+
+	MvAddStr(LINES - 3, 0,
+		 "Use up/down to select a color, left/right to change fields.");
+	MvAddStr(LINES - 2, 0,
+		 "Modify field by typing nnn=, nnn-, or nnn+.  ? for help.");
+
+	move(2 + current - top_color, 0);
+
+	last_c = this_c;
+	this_c = Getchar();
+	if (this_c < 256 && isdigit(this_c) && !isdigit(last_c))
+	    value = 0;
+
+	switch (this_c) {
+	case CTRL('b'):
+	case KEY_PPAGE:
+	    if (current > 0)
+		current -= (page_size - 1);
+	    else
+		beep();
+	    break;
+
+	case CTRL('f'):
+	case KEY_NPAGE:
+	    if (current < (max_colors - 1))
+		current += (page_size - 1);
+	    else
+		beep();
+	    break;
+
+	case CTRL('p'):
+	case KEY_UP:
+	    current = (current == 0 ? (max_colors - 1) : current - 1);
+	    break;
+
+	case CTRL('n'):
+	case KEY_DOWN:
+	    current = (current == (max_colors - 1) ? 0 : current + 1);
+	    break;
+
+	case KEY_RIGHT:
+	    field = (field == 2 ? 0 : field + 1);
+	    break;
+
+	case KEY_LEFT:
+	    field = (field == 0 ? 2 : field - 1);
+	    break;
+
+	case '0':
+	case '1':
+	case '2':
+	case '3':
+	case '4':
+	case '5':
+	case '6':
+	case '7':
+	case '8':
+	case '9':
+	    value = value * 10 + (this_c - '0');
+	    break;
+
+	case '+':
+	    change_color((NCURSES_PAIRS_T) current, field, value, 1);
+	    break;
+
+	case '-':
+	    change_color((NCURSES_PAIRS_T) current, field, -value, 1);
+	    break;
+
+	case '=':
+	    change_color((NCURSES_PAIRS_T) current, field, value, 0);
+	    break;
+
+	case '?':
+	    erase();
+	    P("                      RGB Value Editing Help");
+	    P("");
+	    P("You are in the RGB value editor.  Use the arrow keys to select one of");
+	    P("the fields in one of the RGB triples of the current colors; the one");
+	    P("currently selected will be reverse-video highlighted.");
+	    P("");
+	    P("To change a field, enter the digits of the new value; they are echoed");
+	    P("as entered.  Finish by typing `='.  The change will take effect instantly.");
+	    P("To increment or decrement a value, use the same procedure, but finish");
+	    P("with a `+' or `-'.");
+	    P("");
+	    P("Press 'm' to invoke the top-level menu with the current color settings.");
+	    P("To quit, do ESC");
+
+	    Pause();
+	    erase();
+	    break;
+
+	case 'm':
+	    endwin();
+	    main_menu(FALSE);
+	    for (i = 0; i < max_colors; i++)
+		init_pair((NCURSES_PAIRS_T) i,
+			  (NCURSES_COLOR_T) COLOR_WHITE,
+			  (NCURSES_COLOR_T) i);
+	    refresh();
+	    break;
+
+	case case_QUIT:
+	    break;
+
+	default:
+	    beep();
+	    break;
+	}
+
+	if (current < 0)
+	    current = 0;
+	if (current >= max_colors)
+	    current = max_colors - 1;
+	if (current < top_color)
+	    top_color = current;
+	if (current - top_color >= page_size)
+	    top_color = current - (page_size - 1);
+
+	MvPrintw(LINES - 1, 0, "Number: %d", value);
+	clrtoeol();
+    } while
+	(!isQuit(this_c));
+
+    erase();
+
+    /*
+     * ncurses does not reset each color individually when calling endwin().
+     */
+    init_all_colors();
+
+    endwin();
+}
+
+/****************************************************************************
+ *
+ * Alternate character-set stuff
+ *
+ ****************************************************************************/
+static bool
+cycle_attr(int ch, unsigned *at_code, chtype *attr, ATTR_TBL * list, unsigned limit)
+{
+    bool result = TRUE;
+
+    switch (ch) {
+    case 'v':
+	if ((*at_code += 1) >= limit)
+	    *at_code = 0;
+	break;
+    case 'V':
+	if (*at_code == 0)
+	    *at_code = limit - 1;
+	else
+	    *at_code -= 1;
+	break;
+    default:
+	result = FALSE;
+	break;
+    }
+    if (result)
+	*attr = list[*at_code].attr;
+    return result;
+}
+
+static bool
+cycle_colors(int ch, int *fg, int *bg, NCURSES_PAIRS_T *pair)
+{
+    bool result = FALSE;
+
+    if (use_colors) {
+	result = TRUE;
+	switch (ch) {
+	case 'F':
+	    if ((*fg -= 1) < 0)
+		*fg = COLORS - 1;
+	    break;
+	case 'f':
+	    if ((*fg += 1) >= COLORS)
+		*fg = 0;
+	    break;
+	case 'B':
+	    if ((*bg -= 1) < 0)
+		*bg = COLORS - 1;
+	    break;
+	case 'b':
+	    if ((*bg += 1) >= COLORS)
+		*bg = 0;
+	    break;
+	default:
+	    result = FALSE;
+	    break;
+	}
+	if (result) {
+	    *pair = (NCURSES_PAIRS_T) (*fg != COLOR_BLACK || *bg != COLOR_BLACK);
+	    if (*pair != 0) {
+		*pair = 1;
+		if (init_pair(*pair,
+			      (NCURSES_COLOR_T) *fg,
+			      (NCURSES_COLOR_T) *bg) == ERR) {
+		    result = FALSE;
+		}
+	    }
+	}
+    }
+    return result;
+}
+
+/****************************************************************************
+ *
+ * Soft-key label test
+ *
+ ****************************************************************************/
+
+#if USE_SOFTKEYS
+
+#define SLK_HELP 17
+#define SLK_WORK (SLK_HELP + 3)
+
+static void
+slk_help(void)
+{
+    static const char *table[] =
+    {
+	"Available commands are:"
+	,""
+	,"^L         -- repaint this message and activate soft keys"
+	,"a/d        -- activate/disable soft keys"
+	,"c          -- set centered format for labels"
+	,"l          -- set left-justified format for labels"
+	,"r          -- set right-justified format for labels"
+	,"[12345678] -- set label; labels are numbered 1 through 8"
+	,"e          -- erase stdscr (should not erase labels)"
+	,"s          -- test scrolling of shortened screen"
+	,"v/V        -- cycle through video attributes"
+#if HAVE_SLK_COLOR
+	,"F/f/B/b    -- cycle through foreground/background colors"
+#endif
+	,"ESC        -- return to main menu"
+	,""
+	,"Note: if activating the soft keys causes your terminal to scroll up"
+	,"one line, your terminal auto-scrolls when anything is written to the"
+	,"last screen position.  The ncurses code does not yet handle this"
+	,"gracefully."
+    };
+    unsigned j;
+
+    move(2, 0);
+    for (j = 0; j < SIZEOF(table); ++j) {
+	P(table[j]);
+    }
+    refresh();
+}
+
+#if HAVE_SLK_COLOR
+static void
+call_slk_color(int fg, int bg)
+{
+    init_pair(1, (NCURSES_COLOR_T) bg, (NCURSES_COLOR_T) fg);
+    slk_color(1);
+    MvPrintw(SLK_WORK, 0, "Colors %d/%d\n", fg, bg);
+    clrtoeol();
+    slk_touch();
+    slk_noutrefresh();
+    refresh();
+}
+#endif
+
+static void
+slk_test(void)
+/* exercise the soft keys */
+{
+    int c, fmt = 1;
+    char buf[9];
+    char *s;
+    chtype attr = A_NORMAL;
+    unsigned at_code = 0;
+#if HAVE_SLK_COLOR
+    int fg = COLOR_BLACK;
+    int bg = COLOR_WHITE;
+    NCURSES_PAIRS_T pair = 0;
+#endif
+    ATTR_TBL my_list[SIZEOF(attrs_to_test)];
+    unsigned my_size = init_attr_list(my_list, termattrs());
+
+    c = CTRL('l');
+#if HAVE_SLK_COLOR
+    if (use_colors) {
+	call_slk_color(fg, bg);
+    }
+#endif
+
+    do {
+	move(0, 0);
+	switch (c) {
+	case CTRL('l'):
+	    erase();
+	    attron(A_BOLD);
+	    MvAddStr(0, 20, "Soft Key Exerciser");
+	    attroff(A_BOLD);
+
+	    slk_help();
+	    /* fall through */
+
+	case 'a':
+	    slk_restore();
+	    break;
+
+	case 'e':
+	    wclear(stdscr);
+	    break;
+
+	case 's':
+	    MvPrintw(SLK_WORK, 0, "Press Q to stop the scrolling-test: ");
+	    while ((c = Getchar()) != 'Q' && (c != ERR))
+		addch((chtype) c);
+	    break;
+
+	case 'd':
+	    slk_clear();
+	    break;
+
+	case 'l':
+	    fmt = 0;
+	    break;
+
+	case 'c':
+	    fmt = 1;
+	    break;
+
+	case 'r':
+	    fmt = 2;
+	    break;
+
+	case '1':
+	case '2':
+	case '3':
+	case '4':
+	case '5':
+	case '6':
+	case '7':
+	case '8':
+	    MvAddStr(SLK_WORK, 0, "Please enter the label value: ");
+	    strcpy(buf, "");
+	    if ((s = slk_label(c - '0')) != 0) {
+		strncpy(buf, s, (size_t) 8);
+	    }
+	    wGetstring(stdscr, buf, 8);
+	    slk_set((c - '0'), buf, fmt);
+	    slk_refresh();
+	    move(SLK_WORK, 0);
+	    clrtobot();
+	    break;
+
+	case case_QUIT:
+	    goto done;
+
+#if defined(NCURSES_VERSION) && defined(KEY_RESIZE) && HAVE_WRESIZE
+	case KEY_RESIZE:
+	    wnoutrefresh(stdscr);
+	    break;
+#endif
+
+	default:
+	    if (cycle_attr(c, &at_code, &attr, my_list, my_size)) {
+		slk_attrset(attr);
+		slk_touch();
+		slk_noutrefresh();
+		break;
+	    }
+#if HAVE_SLK_COLOR
+	    if (cycle_colors(c, &fg, &bg, &pair)) {
+		if (use_colors) {
+		    call_slk_color(fg, bg);
+		} else {
+		    beep();
+		}
+		break;
+	    }
+#endif
+	    beep();
+	    break;
+	}
+    } while (!isQuit(c = Getchar()));
+
+  done:
+    slk_clear();
+    erase();
+    endwin();
+}
+
+#if USE_WIDEC_SUPPORT
+#define SLKLEN 8
+static void
+wide_slk_test(void)
+/* exercise the soft keys */
+{
+    int c, fmt = 1;
+    wchar_t buf[SLKLEN + 1];
+    char *s;
+    chtype attr = A_NORMAL;
+    unsigned at_code = 0;
+    int fg = COLOR_BLACK;
+    int bg = COLOR_WHITE;
+    NCURSES_PAIRS_T pair = 0;
+    ATTR_TBL my_list[SIZEOF(attrs_to_test)];
+    unsigned my_size = init_attr_list(my_list, term_attrs());
+
+    c = CTRL('l');
+    if (use_colors) {
+	call_slk_color(fg, bg);
+    }
+    do {
+	move(0, 0);
+	switch (c) {
+	case CTRL('l'):
+	    erase();
+	    attr_on(WA_BOLD, NULL);
+	    MvAddStr(0, 20, "Soft Key Exerciser");
+	    attr_off(WA_BOLD, NULL);
+
+	    slk_help();
+	    /* fall through */
+
+	case 'a':
+	    slk_restore();
+	    break;
+
+	case 'e':
+	    wclear(stdscr);
+	    break;
+
+	case 's':
+	    MvPrintw(SLK_WORK, 0, "Press Q to stop the scrolling-test: ");
+	    while ((c = Getchar()) != 'Q' && (c != ERR))
+		addch((chtype) c);
+	    break;
+
+	case 'd':
+	    slk_clear();
+	    break;
+
+	case 'l':
+	    fmt = 0;
+	    break;
+
+	case 'c':
+	    fmt = 1;
+	    break;
+
+	case 'r':
+	    fmt = 2;
+	    break;
+
+	case '1':
+	case '2':
+	case '3':
+	case '4':
+	case '5':
+	case '6':
+	case '7':
+	case '8':
+	    MvAddStr(SLK_WORK, 0, "Please enter the label value: ");
+	    *buf = 0;
+	    if ((s = slk_label(c - '0')) != 0) {
+		char *temp = strdup(s);
+		size_t used = strlen(temp);
+		size_t want = SLKLEN;
+		size_t test;
+#ifndef state_unused
+		mbstate_t state;
+#endif
+
+		buf[0] = L'\0';
+		while (want > 0 && used != 0) {
+		    const char *base = s;
+		    reset_mbytes(state);
+		    test = count_mbytes(base, 0, &state);
+		    if (test == (size_t) -1) {
+			temp[--used] = 0;
+		    } else if (test > want) {
+			temp[--used] = 0;
+		    } else {
+			reset_mbytes(state);
+			trans_mbytes(buf, base, want, &state);
+			break;
+		    }
+		}
+		free(temp);
+	    }
+	    wGet_wstring(stdscr, buf, SLKLEN);
+	    slk_wset((c - '0'), buf, fmt);
+	    slk_refresh();
+	    move(SLK_WORK, 0);
+	    clrtobot();
+	    break;
+
+	case case_QUIT:
+	    goto done;
+
+	case 'F':
+	    if (use_colors) {
+		fg = (NCURSES_COLOR_T) ((fg + 1) % COLORS);
+		call_slk_color(fg, bg);
+	    }
+	    break;
+	case 'B':
+	    if (use_colors) {
+		bg = (NCURSES_COLOR_T) ((bg + 1) % COLORS);
+		call_slk_color(fg, bg);
+	    }
+	    break;
+#if defined(NCURSES_VERSION) && defined(KEY_RESIZE) && HAVE_WRESIZE
+	case KEY_RESIZE:
+	    wnoutrefresh(stdscr);
+	    break;
+#endif
+	default:
+	    if (cycle_attr(c, &at_code, &attr, my_list, my_size)) {
+		slk_attr_set(attr, (NCURSES_COLOR_T) (fg || bg), NULL);
+		slk_touch();
+		slk_noutrefresh();
+		break;
+	    }
+#if HAVE_SLK_COLOR
+	    if (cycle_colors(c, &fg, &bg, &pair)) {
+		if (use_colors) {
+		    call_slk_color(fg, bg);
+		} else {
+		    beep();
+		}
+		break;
+	    }
+#endif
+	    beep();
+	    break;
+	}
+    } while (!isQuit(c = Getchar()));
+
+  done:
+    slk_clear();
+    erase();
+    endwin();
+}
+#endif
+#endif /* SLK_INIT */
+
+static void
+show_256_chars(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    unsigned first = 0;
+    unsigned last = 255;
+    unsigned code;
+    int count;
+
+    erase();
+    attron(A_BOLD);
+    MvPrintw(0, 20, "Display of Character Codes %#0x to %#0x",
+	     first, last);
+    attroff(A_BOLD);
+    refresh();
+
+    for (code = first; code <= last; ++code) {
+	int row = (int) (2 + (code / 16));
+	int col = (int) (5 * (code % 16));
+	IGNORE_RC(mvaddch(row, col, colored_chtype(code, attr, pair)));
+	for (count = 1; count < repeat; ++count) {
+	    addch(colored_chtype(code, attr, pair));
+	}
+    }
+
+}
+
+/*
+ * Show a slice of 32 characters, allowing those to be repeated up to the
+ * screen's width.
+ *
+ * ISO 6429:  codes 0x80 to 0x9f may be control characters that cause the
+ * terminal to perform functions.  The remaining codes can be graphic.
+ */
+static void
+show_upper_chars(int base, int pagesize, int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    unsigned code;
+    unsigned first = (unsigned) base;
+    unsigned last = first + (unsigned) pagesize - 2;
+    bool C1 = (first == 128);
+    int reply;
+
+    erase();
+    attron(A_BOLD);
+    MvPrintw(0, 20, "Display of %s Character Codes %d to %d",
+	     C1 ? "C1" : "GR", first, last);
+    attroff(A_BOLD);
+    refresh();
+
+    for (code = first; code <= last; code++) {
+	int count = repeat;
+	int row = 2 + ((int) (code - first) % (pagesize / 2));
+	int col = ((int) (code - first) / (pagesize / 2)) * COLS / 2;
+	char tmp[80];
+	sprintf(tmp, "%3u (0x%x)", code, code);
+	MvPrintw(row, col, "%*s: ", COLS / 4, tmp);
+
+	do {
+	    if (C1)
+		nodelay(stdscr, TRUE);
+	    echochar(colored_chtype(code, attr, pair));
+	    if (C1) {
+		/* (yes, this _is_ crude) */
+		while ((reply = Getchar()) != ERR) {
+		    addch(UChar(reply));
+		    napms(10);
+		}
+		nodelay(stdscr, FALSE);
+	    }
+	} while (--count > 0);
+    }
+}
+
+#define PC_COLS 4
+
+static void
+show_pc_chars(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    unsigned code;
+
+    erase();
+    attron(A_BOLD);
+    MvPrintw(0, 20, "Display of PC Character Codes");
+    attroff(A_BOLD);
+    refresh();
+
+    for (code = 0; code < 16; ++code) {
+	MvPrintw(2, (int) code * PC_COLS + 8, "%X", code);
+    }
+    for (code = 0; code < 256; code++) {
+	int count = repeat;
+	int row = 3 + (int) (code / 16) + (code >= 128);
+	int col = 8 + (int) (code % 16) * PC_COLS;
+	if ((code % 16) == 0)
+	    MvPrintw(row, 0, "0x%02x:", code);
+	move(row, col);
+	do {
+	    switch (code) {
+	    case '\n':
+	    case '\r':
+	    case '\b':
+	    case '\f':
+	    case '\033':
+	    case 0x9b:
+		/*
+		 * Skip the ones that do not work.
+		 */
+		break;
+	    default:
+		addch(colored_chtype(code, A_ALTCHARSET | attr, pair));
+		break;
+	    }
+	} while (--count > 0);
+    }
+}
+
+static void
+show_box_chars(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    (void) repeat;
+
+    attr |= (attr_t) COLOR_PAIR(pair);
+
+    erase();
+    attron(A_BOLD);
+    MvAddStr(0, 20, "Display of the ACS Line-Drawing Set");
+    attroff(A_BOLD);
+    refresh();
+    /* *INDENT-OFF* */
+    wborder(stdscr,
+	    colored_chtype(ACS_VLINE,	 attr, pair),
+	    colored_chtype(ACS_VLINE,	 attr, pair),
+            colored_chtype(ACS_HLINE,    attr, pair),
+	    colored_chtype(ACS_HLINE,	 attr, pair),
+	    colored_chtype(ACS_ULCORNER, attr, pair),
+	    colored_chtype(ACS_URCORNER, attr, pair),
+            colored_chtype(ACS_LLCORNER, attr, pair),
+	    colored_chtype(ACS_LRCORNER, attr, pair));
+    MvHLine(LINES / 2, 0,        colored_chtype(ACS_HLINE, attr, pair), COLS);
+    MvVLine(0,         COLS / 2, colored_chtype(ACS_VLINE, attr, pair), LINES);
+    MvAddCh(0,         COLS / 2, colored_chtype(ACS_TTEE,  attr, pair));
+    MvAddCh(LINES / 2, COLS / 2, colored_chtype(ACS_PLUS,  attr, pair));
+    MvAddCh(LINES - 1, COLS / 2, colored_chtype(ACS_BTEE,  attr, pair));
+    MvAddCh(LINES / 2, 0,        colored_chtype(ACS_LTEE,  attr, pair));
+    MvAddCh(LINES / 2, COLS - 1, colored_chtype(ACS_RTEE,  attr, pair));
+    /* *INDENT-ON* */
+
+}
+
+static int
+show_1_acs(int n, int repeat, const char *name, chtype code)
+{
+    const int height = 16;
+    int row = 2 + (n % height);
+    int col = (n / height) * COLS / 2;
+
+    MvPrintw(row, col, "%*s : ", COLS / 4, name);
+    do {
+	addch(code);
+    } while (--repeat > 0);
+    return n + 1;
+}
+
+static void
+show_acs_chars(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+/* display the ACS character set */
+{
+    int n;
+
+#define BOTH(name) #name, colored_chtype(name, attr, (chtype) pair)
+
+    erase();
+    attron(A_BOLD);
+    MvAddStr(0, 20, "Display of the ACS Character Set");
+    attroff(A_BOLD);
+    refresh();
+
+    n = show_1_acs(0, repeat, BOTH(ACS_ULCORNER));
+    n = show_1_acs(n, repeat, BOTH(ACS_URCORNER));
+    n = show_1_acs(n, repeat, BOTH(ACS_LLCORNER));
+    n = show_1_acs(n, repeat, BOTH(ACS_LRCORNER));
+
+    n = show_1_acs(n, repeat, BOTH(ACS_LTEE));
+    n = show_1_acs(n, repeat, BOTH(ACS_RTEE));
+    n = show_1_acs(n, repeat, BOTH(ACS_TTEE));
+    n = show_1_acs(n, repeat, BOTH(ACS_BTEE));
+
+    n = show_1_acs(n, repeat, BOTH(ACS_HLINE));
+    n = show_1_acs(n, repeat, BOTH(ACS_VLINE));
+
+    /*
+     * HPUX's ACS definitions are broken here.  Just give up.
+     */
+#if !(defined(__hpux) && !defined(NCURSES_VERSION))
+    n = show_1_acs(n, repeat, BOTH(ACS_LARROW));
+    n = show_1_acs(n, repeat, BOTH(ACS_RARROW));
+    n = show_1_acs(n, repeat, BOTH(ACS_UARROW));
+    n = show_1_acs(n, repeat, BOTH(ACS_DARROW));
+
+    n = show_1_acs(n, repeat, BOTH(ACS_BLOCK));
+    n = show_1_acs(n, repeat, BOTH(ACS_BOARD));
+    n = show_1_acs(n, repeat, BOTH(ACS_LANTERN));
+    n = show_1_acs(n, repeat, BOTH(ACS_BULLET));
+    n = show_1_acs(n, repeat, BOTH(ACS_CKBOARD));
+    n = show_1_acs(n, repeat, BOTH(ACS_DEGREE));
+    n = show_1_acs(n, repeat, BOTH(ACS_DIAMOND));
+    n = show_1_acs(n, repeat, BOTH(ACS_PLMINUS));
+    n = show_1_acs(n, repeat, BOTH(ACS_PLUS));
+
+    n = show_1_acs(n, repeat, BOTH(ACS_GEQUAL));
+    n = show_1_acs(n, repeat, BOTH(ACS_NEQUAL));
+    n = show_1_acs(n, repeat, BOTH(ACS_LEQUAL));
+
+    n = show_1_acs(n, repeat, BOTH(ACS_STERLING));
+    n = show_1_acs(n, repeat, BOTH(ACS_PI));
+    n = show_1_acs(n, repeat, BOTH(ACS_S1));
+    n = show_1_acs(n, repeat, BOTH(ACS_S3));
+    n = show_1_acs(n, repeat, BOTH(ACS_S7));
+    (void) show_1_acs(n, repeat, BOTH(ACS_S9));
+#endif
+}
+
+static void
+acs_display(void)
+{
+    int c = 'a';
+    int pagesize = 32;
+    char *term = getenv("TERM");
+    const char *pch_kludge = ((term != 0 && strstr(term, "linux"))
+			      ? "p=PC, "
+			      : "");
+    chtype attr = A_NORMAL;
+    int digit = 0;
+    int repeat = 1;
+    int fg = COLOR_BLACK;
+    int bg = COLOR_BLACK;
+    unsigned at_code = 0;
+    NCURSES_PAIRS_T pair = 0;
+    void (*last_show_acs) (int, attr_t, NCURSES_PAIRS_T) = 0;
+    ATTR_TBL my_list[SIZEOF(attrs_to_test)];
+    unsigned my_size = init_attr_list(my_list, termattrs());
+
+    do {
+	switch (c) {
+	case CTRL('L'):
+	    Repaint();
+	    break;
+	case 'a':
+	    ToggleAcs(last_show_acs, show_acs_chars);
+	    break;
+	case 'p':
+	    if (*pch_kludge)
+		ToggleAcs(last_show_acs, show_pc_chars);
+	    else
+		beep();
+	    break;
+	case 'w':
+	    if (pagesize == 32) {
+		pagesize = 256;
+	    } else {
+		pagesize = 32;
+	    }
+	    break;
+	case 'x':
+	    ToggleAcs(last_show_acs, show_box_chars);
+	    break;
+	case '0':
+	case '1':
+	case '2':
+	case '3':
+	    digit = (c - '0');
+	    last_show_acs = 0;
+	    break;
+	case '-':
+	    if (digit > 0) {
+		--digit;
+		last_show_acs = 0;
+	    } else {
+		beep();
+	    }
+	    break;
+	case '+':
+	    if (digit < 3) {
+		++digit;
+		last_show_acs = 0;
+	    } else {
+		beep();
+	    }
+	    break;
+	case '>':
+	    if (repeat < (COLS / 4))
+		++repeat;
+	    break;
+	case '<':
+	    if (repeat > 1)
+		--repeat;
+	    break;
+	default:
+	    if (cycle_attr(c, &at_code, &attr, my_list, my_size)
+		|| cycle_colors(c, &fg, &bg, &pair)) {
+		break;
+	    } else {
+		beep();
+	    }
+	    break;
+	}
+	if (pagesize != 32) {
+	    show_256_chars(repeat, attr, pair);
+	} else if (last_show_acs != 0) {
+	    last_show_acs(repeat, attr, pair);
+	} else {
+	    show_upper_chars(digit * pagesize + 128, pagesize, repeat, attr, pair);
+	}
+
+	MvPrintw(LINES - 3, 0,
+		 "Note: ANSI terminals may not display C1 characters.");
+	MvPrintw(LINES - 2, 0,
+		 "Select: a=ACS, w=all x=box, %s0=C1, 1-3,+/- non-ASCII, </> repeat, ESC=quit",
+		 pch_kludge);
+	if (use_colors) {
+	    MvPrintw(LINES - 1, 0,
+		     "v/V, f/F, b/B cycle through video attributes (%s) and color %d/%d.",
+		     my_list[at_code].name,
+		     fg, bg);
+	} else {
+	    MvPrintw(LINES - 1, 0,
+		     "v/V cycles through video attributes (%s).",
+		     my_list[at_code].name);
+	}
+	refresh();
+    } while (!isQuit(c = Getchar()));
+
+    Pause();
+    erase();
+    endwin();
+}
+
+#if USE_WIDEC_SUPPORT
+static cchar_t *
+merge_wide_attr(cchar_t *dst, const cchar_t *src, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    int count;
+
+    *dst = *src;
+    do {
+	TEST_CCHAR(src, count, {
+	    attr |= (test_attrs & A_ALTCHARSET);
+	    setcchar(dst, test_wch, attr, pair, NULL);
+	}
+	, {
+	    ;
+	});
+    } while (0);
+    return dst;
+}
+
+/*
+ * Header/legend take up no more than 8 lines, leaving 16 lines on a 24-line
+ * display.  If there are no repeats, we could normally display 16 lines of 64
+ * characters (1024 total).  However, taking repeats and double-width cells
+ * into account, use 256 characters for the page.
+ */
+static void
+show_paged_widechars(int base,
+		     int pagesize,
+		     int repeat,
+		     int space,
+		     attr_t attr,
+		     NCURSES_PAIRS_T pair)
+{
+    int first = base * pagesize;
+    int last = first + pagesize - 1;
+    int per_line = 16;
+    cchar_t temp;
+    wchar_t code;
+    wchar_t codes[10];
+
+    erase();
+    attron(A_BOLD);
+    MvPrintw(0, 20, "Display of Character Codes %#x to %#x", first, last);
+    attroff(A_BOLD);
+
+    for (code = (wchar_t) first; (int) code <= last; code++) {
+	int row = (2 + ((int) code - first) / per_line);
+	int col = 5 * ((int) code % per_line);
+	int count;
+
+	memset(&codes, 0, sizeof(codes));
+	codes[0] = code;
+	setcchar(&temp, codes, attr, pair, 0);
+	move(row, col);
+	if (wcwidth(code) == 0 && code != 0) {
+	    addch((chtype) space |
+		  (A_REVERSE ^ attr) |
+		  (attr_t) COLOR_PAIR(pair));
+	}
+	add_wch(&temp);
+	for (count = 1; count < repeat; ++count) {
+	    add_wch(&temp);
+	}
+    }
+}
+
+static void
+show_upper_widechars(int first, int repeat, int space, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    cchar_t temp;
+    wchar_t code;
+    int last = first + 31;
+
+    erase();
+    attron(A_BOLD);
+    MvPrintw(0, 20, "Display of Character Codes %d to %d", first, last);
+    attroff(A_BOLD);
+
+    for (code = (wchar_t) first; (int) code <= last; code++) {
+	int row = 2 + ((code - first) % 16);
+	int col = ((code - first) / 16) * COLS / 2;
+	wchar_t codes[10];
+	char tmp[80];
+	int count = repeat;
+	int y, x;
+
+	sprintf(tmp, "%3ld (0x%lx)", (long) code, (long) code);
+	MvPrintw(row, col, "%*s: ", COLS / 4, tmp);
+
+	memset(&codes, 0, sizeof(codes));
+	codes[0] = code;
+	setcchar(&temp, codes, attr, pair, 0);
+
+	do {
+	    /*
+	     * Give non-spacing characters something to combine with.  If we
+	     * don't, they'll bunch up in a heap on the space after the ":".
+	     * Mark them with reverse-video to make them simpler to find on
+	     * the display.
+	     */
+	    if (wcwidth(code) == 0) {
+		addch((chtype) space |
+		      (A_REVERSE ^ attr) |
+		      (attr_t) COLOR_PAIR(pair));
+	    }
+	    /*
+	     * This uses echo_wchar(), for comparison with the normal 'f'
+	     * test (and to make a test-case for echo_wchar()).  The screen
+	     * may flicker because the erase() at the top of the function
+	     * is met by the builtin refresh() in echo_wchar().
+	     */
+	    echo_wchar(&temp);
+	    /*
+	     * The repeat-count may make text wrap - avoid that.
+	     */
+	    getyx(stdscr, y, x);
+	    (void) y;
+	    if (x >= col + (COLS / 2) - 2)
+		break;
+	} while (--count > 0);
+    }
+}
+
+static int
+show_1_wacs(int n, int repeat, const char *name, const cchar_t *code)
+{
+    const int height = 16;
+    int row = 2 + (n % height);
+    int col = (n / height) * COLS / 2;
+
+    MvPrintw(row, col, "%*s : ", COLS / 4, name);
+    while (--repeat >= 0) {
+	add_wch(code);
+    }
+    return n + 1;
+}
+
+#define MERGE_ATTR(wch) merge_wide_attr(&temp, wch, attr, pair)
+
+static void
+show_wacs_chars(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+/* display the wide-ACS character set */
+{
+    cchar_t temp;
+
+    int n;
+
+/*#define BOTH2(name) #name, &(name) */
+#define BOTH2(name) #name, MERGE_ATTR(name)
+
+    erase();
+    attron(A_BOLD);
+    MvAddStr(0, 20, "Display of the Wide-ACS Character Set");
+    attroff(A_BOLD);
+    refresh();
+
+    n = show_1_wacs(0, repeat, BOTH2(WACS_ULCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_URCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LLCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LRCORNER));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_RTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_TTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BTEE));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_HLINE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_VLINE));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_RARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_UARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DARROW));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BLOCK));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BOARD));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LANTERN));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BULLET));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_CKBOARD));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DEGREE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DIAMOND));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PLMINUS));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PLUS));
+
+#ifdef CURSES_WACS_ARRAY
+    n = show_1_wacs(n, repeat, BOTH2(WACS_GEQUAL));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_NEQUAL));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LEQUAL));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_STERLING));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PI));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S1));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S3));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S7));
+    (void) show_1_wacs(n, repeat, BOTH2(WACS_S9));
+#endif
+}
+
+#ifdef WACS_D_PLUS
+static void
+show_wacs_chars_double(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+/* display the wide-ACS character set */
+{
+    cchar_t temp;
+
+    int n;
+
+/*#define BOTH2(name) #name, &(name) */
+#define BOTH2(name) #name, MERGE_ATTR(name)
+
+    erase();
+    attron(A_BOLD);
+    MvAddStr(0, 20, "Display of the Wide-ACS Character Set");
+    attroff(A_BOLD);
+    refresh();
+
+    n = show_1_wacs(0, repeat, BOTH2(WACS_D_ULCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_URCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_LLCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_LRCORNER));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_LTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_RTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_TTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_BTEE));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_HLINE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_D_VLINE));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_RARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_UARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DARROW));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BLOCK));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BOARD));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LANTERN));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BULLET));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_CKBOARD));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DEGREE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DIAMOND));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PLMINUS));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PLUS));
+
+#ifdef CURSES_WACS_ARRAY
+    n = show_1_wacs(n, repeat, BOTH2(WACS_GEQUAL));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_NEQUAL));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LEQUAL));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_STERLING));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PI));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S1));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S3));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S7));
+    (void) show_1_wacs(n, repeat, BOTH2(WACS_S9));
+#endif
+}
+#endif
+
+#ifdef WACS_T_PLUS
+static void
+show_wacs_chars_thick(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+/* display the wide-ACS character set */
+{
+    cchar_t temp;
+
+    int n;
+
+/*#define BOTH2(name) #name, &(name) */
+#define BOTH2(name) #name, MERGE_ATTR(name)
+
+    erase();
+    attron(A_BOLD);
+    MvAddStr(0, 20, "Display of the Wide-ACS Character Set");
+    attroff(A_BOLD);
+    refresh();
+
+    n = show_1_wacs(0, repeat, BOTH2(WACS_T_ULCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_URCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_LLCORNER));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_LRCORNER));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_LTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_RTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_TTEE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_BTEE));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_HLINE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_T_VLINE));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_RARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_UARROW));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DARROW));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BLOCK));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BOARD));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LANTERN));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_BULLET));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_CKBOARD));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DEGREE));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_DIAMOND));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PLMINUS));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PLUS));
+
+#ifdef CURSES_WACS_ARRAY
+    n = show_1_wacs(n, repeat, BOTH2(WACS_GEQUAL));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_NEQUAL));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_LEQUAL));
+
+    n = show_1_wacs(n, repeat, BOTH2(WACS_STERLING));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_PI));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S1));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S3));
+    n = show_1_wacs(n, repeat, BOTH2(WACS_S7));
+    (void) show_1_wacs(n, repeat, BOTH2(WACS_S9));
+#endif
+}
+#endif
+
+#undef MERGE_ATTR
+
+#define MERGE_ATTR(n,wch) merge_wide_attr(&temp[n], wch, attr, pair)
+
+static void
+show_wbox_chars(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    cchar_t temp[8];
+
+    (void) repeat;
+    erase();
+    attron(A_BOLD);
+    MvAddStr(0, 20, "Display of the Wide-ACS Line-Drawing Set");
+    attroff(A_BOLD);
+    refresh();
+
+    wborder_set(stdscr,
+		MERGE_ATTR(0, WACS_VLINE),
+		MERGE_ATTR(1, WACS_VLINE),
+		MERGE_ATTR(2, WACS_HLINE),
+		MERGE_ATTR(3, WACS_HLINE),
+		MERGE_ATTR(4, WACS_ULCORNER),
+		MERGE_ATTR(5, WACS_URCORNER),
+		MERGE_ATTR(6, WACS_LLCORNER),
+		MERGE_ATTR(7, WACS_LRCORNER));
+    /* *INDENT-OFF* */
+    (void) mvhline_set(LINES / 2, 0,        MERGE_ATTR(0, WACS_HLINE), COLS);
+    (void) mvvline_set(0,         COLS / 2, MERGE_ATTR(0, WACS_VLINE), LINES);
+    (void) mvadd_wch(0,           COLS / 2, MERGE_ATTR(0, WACS_TTEE));
+    (void) mvadd_wch(LINES / 2,   COLS / 2, MERGE_ATTR(0, WACS_PLUS));
+    (void) mvadd_wch(LINES - 1,   COLS / 2, MERGE_ATTR(0, WACS_BTEE));
+    (void) mvadd_wch(LINES / 2,   0,        MERGE_ATTR(0, WACS_LTEE));
+    (void) mvadd_wch(LINES / 2,   COLS - 1, MERGE_ATTR(0, WACS_RTEE));
+    /* *INDENT-ON* */
+
+}
+
+#undef MERGE_ATTR
+
+static int
+show_2_wacs(int n, const char *name, const char *code, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    const int height = 16;
+    int row = 2 + (n % height);
+    int col = (n / height) * COLS / 2;
+    char temp[80];
+
+    MvPrintw(row, col, "%*s : ", COLS / 4, name);
+    (void) attr_set(attr, pair, 0);
+    addstr(strncpy(temp, code, 20));
+    (void) attr_set(A_NORMAL, 0, 0);
+    return n + 1;
+}
+
+#define SHOW_UTF8(n, name, code) show_2_wacs(n, name, code, attr, pair)
+
+static void
+show_utf8_chars(int repeat, attr_t attr, NCURSES_PAIRS_T pair)
+{
+    int n;
+
+    (void) repeat;
+    erase();
+    attron(A_BOLD);
+    MvAddStr(0, 20, "Display of the Wide-ACS Character Set");
+    attroff(A_BOLD);
+    refresh();
+    /* *INDENT-OFF* */
+    n = SHOW_UTF8(0, "WACS_ULCORNER",	"\342\224\214");
+    n = SHOW_UTF8(n, "WACS_URCORNER",	"\342\224\220");
+    n = SHOW_UTF8(n, "WACS_LLCORNER",	"\342\224\224");
+    n = SHOW_UTF8(n, "WACS_LRCORNER",	"\342\224\230");
+
+    n = SHOW_UTF8(n, "WACS_LTEE",	"\342\224\234");
+    n = SHOW_UTF8(n, "WACS_RTEE",	"\342\224\244");
+    n = SHOW_UTF8(n, "WACS_TTEE",	"\342\224\254");
+    n = SHOW_UTF8(n, "WACS_BTEE",	"\342\224\264");
+
+    n = SHOW_UTF8(n, "WACS_HLINE",	"\342\224\200");
+    n = SHOW_UTF8(n, "WACS_VLINE",	"\342\224\202");
+
+    n = SHOW_UTF8(n, "WACS_LARROW",	"\342\206\220");
+    n = SHOW_UTF8(n, "WACS_RARROW",	"\342\206\222");
+    n = SHOW_UTF8(n, "WACS_UARROW",	"\342\206\221");
+    n = SHOW_UTF8(n, "WACS_DARROW",	"\342\206\223");
+
+    n = SHOW_UTF8(n, "WACS_BLOCK",	"\342\226\256");
+    n = SHOW_UTF8(n, "WACS_BOARD",	"\342\226\222");
+    n = SHOW_UTF8(n, "WACS_LANTERN",	"\342\230\203");
+    n = SHOW_UTF8(n, "WACS_BULLET",	"\302\267");
+    n = SHOW_UTF8(n, "WACS_CKBOARD",	"\342\226\222");
+    n = SHOW_UTF8(n, "WACS_DEGREE",	"\302\260");
+    n = SHOW_UTF8(n, "WACS_DIAMOND",	"\342\227\206");
+    n = SHOW_UTF8(n, "WACS_PLMINUS",	"\302\261");
+    n = SHOW_UTF8(n, "WACS_PLUS",	"\342\224\274");
+    n = SHOW_UTF8(n, "WACS_GEQUAL",	"\342\211\245");
+    n = SHOW_UTF8(n, "WACS_NEQUAL",	"\342\211\240");
+    n = SHOW_UTF8(n, "WACS_LEQUAL",	"\342\211\244");
+
+    n = SHOW_UTF8(n, "WACS_STERLING",	"\302\243");
+    n = SHOW_UTF8(n, "WACS_PI",		"\317\200");
+    n = SHOW_UTF8(n, "WACS_S1",		"\342\216\272");
+    n = SHOW_UTF8(n, "WACS_S3",		"\342\216\273");
+    n = SHOW_UTF8(n, "WACS_S7",		"\342\216\274");
+    (void) SHOW_UTF8(n, "WACS_S9",	"\342\216\275");
+    /* *INDENT-ON* */
+
+}
+
+/* display the wide-ACS character set */
+static void
+wide_acs_display(void)
+{
+    int c = 'a';
+    int digit = 0;
+    int repeat = 1;
+    int space = ' ';
+    int pagesize = 32;
+    chtype attr = A_NORMAL;
+    int fg = COLOR_BLACK;
+    int bg = COLOR_BLACK;
+    unsigned at_code = 0;
+    NCURSES_PAIRS_T pair = 0;
+    void (*last_show_wacs) (int, attr_t, NCURSES_PAIRS_T) = 0;
+    ATTR_TBL my_list[SIZEOF(attrs_to_test)];
+    unsigned my_size = init_attr_list(my_list, term_attrs());
+
+    do {
+	switch (c) {
+	case CTRL('L'):
+	    Repaint();
+	    break;
+	case 'a':
+	    ToggleAcs(last_show_wacs, show_wacs_chars);
+	    break;
+#ifdef WACS_D_PLUS
+	case 'd':
+	    ToggleAcs(last_show_wacs, show_wacs_chars_double);
+	    break;
+#endif
+#ifdef WACS_T_PLUS
+	case 't':
+	    ToggleAcs(last_show_wacs, show_wacs_chars_thick);
+	    break;
+#endif
+	case 'w':
+	    if (pagesize == 32) {
+		pagesize = 256;
+	    } else {
+		pagesize = 32;
+	    }
+	    break;
+	case 'x':
+	    ToggleAcs(last_show_wacs, show_wbox_chars);
+	    break;
+	case 'u':
+	    ToggleAcs(last_show_wacs, show_utf8_chars);
+	    break;
+	default:
+	    if (c < 256 && isdigit(c)) {
+		digit = (c - '0');
+		last_show_wacs = 0;
+	    } else if (c == '+') {
+		++digit;
+		last_show_wacs = 0;
+	    } else if (c == '-' && digit > 0) {
+		--digit;
+		last_show_wacs = 0;
+	    } else if (c == '>' && repeat < (COLS / 4)) {
+		++repeat;
+	    } else if (c == '<' && repeat > 1) {
+		--repeat;
+	    } else if (c == '_') {
+		space = (space == ' ') ? '_' : ' ';
+		last_show_wacs = 0;
+	    } else if (cycle_attr(c, &at_code, &attr, my_list, my_size)
+		       || cycle_colors(c, &fg, &bg, &pair)) {
+		if (last_show_wacs != 0)
+		    break;
+	    } else {
+		beep();
+		break;
+	    }
+	    break;
+	}
+	if (pagesize != 32) {
+	    show_paged_widechars(digit, pagesize, repeat, space, attr, pair);
+	} else if (last_show_wacs != 0) {
+	    last_show_wacs(repeat, attr, pair);
+	} else {
+	    show_upper_widechars(digit * 32 + 128, repeat, space, attr, pair);
+	}
+
+	MvPrintw(LINES - 4, 0,
+		 "Select: a/d/t WACS, w=all x=box, u UTF-8, ^L repaint");
+	MvPrintw(LINES - 3, 2,
+		 "0-9,+/- non-ASCII, </> repeat, _ space, ESC=quit");
+	if (use_colors) {
+	    MvPrintw(LINES - 2, 2,
+		     "v/V, f/F, b/B cycle through video attributes (%s) and color %d/%d.",
+		     my_list[at_code].name,
+		     fg, bg);
+	} else {
+	    MvPrintw(LINES - 2, 2,
+		     "v/V cycles through video attributes (%s).",
+		     my_list[at_code].name);
+	}
+	refresh();
+    } while (!isQuit(c = Getchar()));
+
+    Pause();
+    erase();
+    endwin();
+}
+
+#endif
+
+/*
+ * Graphic-rendition test (adapted from vttest)
+ */
+static void
+test_sgr_attributes(void)
+{
+    int pass;
+
+    for (pass = 0; pass < 2; pass++) {
+	chtype normal = ((pass == 0 ? A_NORMAL : A_REVERSE)) | BLANK;
+
+	/* Use non-default colors if possible to exercise bce a little */
+	if (use_colors) {
+	    init_pair(1, COLOR_WHITE, COLOR_BLUE);
+	    normal |= (chtype) COLOR_PAIR(1);
+	}
+	bkgdset(normal);
+	erase();
+	MvPrintw(1, 20, "Graphic rendition test pattern:");
+
+	MvPrintw(4, 1, "vanilla");
+
+#define set_sgr(mask) bkgdset((normal^(mask)));
+	set_sgr(A_BOLD);
+	MvPrintw(4, 40, "bold");
+
+	set_sgr(A_UNDERLINE);
+	MvPrintw(6, 6, "underline");
+
+	set_sgr(A_BOLD | A_UNDERLINE);
+	MvPrintw(6, 45, "bold underline");
+
+	set_sgr(A_BLINK);
+	MvPrintw(8, 1, "blink");
+
+	set_sgr(A_BLINK | A_BOLD);
+	MvPrintw(8, 40, "bold blink");
+
+	set_sgr(A_UNDERLINE | A_BLINK);
+	MvPrintw(10, 6, "underline blink");
+
+	set_sgr(A_BOLD | A_UNDERLINE | A_BLINK);
+	MvPrintw(10, 45, "bold underline blink");
+
+	set_sgr(A_REVERSE);
+	MvPrintw(12, 1, "negative");
+
+	set_sgr(A_BOLD | A_REVERSE);
+	MvPrintw(12, 40, "bold negative");
+
+	set_sgr(A_UNDERLINE | A_REVERSE);
+	MvPrintw(14, 6, "underline negative");
+
+	set_sgr(A_BOLD | A_UNDERLINE | A_REVERSE);
+	MvPrintw(14, 45, "bold underline negative");
+
+	set_sgr(A_BLINK | A_REVERSE);
+	MvPrintw(16, 1, "blink negative");
+
+	set_sgr(A_BOLD | A_BLINK | A_REVERSE);
+	MvPrintw(16, 40, "bold blink negative");
+
+	set_sgr(A_UNDERLINE | A_BLINK | A_REVERSE);
+	MvPrintw(18, 6, "underline blink negative");
+
+	set_sgr(A_BOLD | A_UNDERLINE | A_BLINK | A_REVERSE);
+	MvPrintw(18, 45, "bold underline blink negative");
+
+	bkgdset(normal);
+	MvPrintw(LINES - 2, 1, "%s background. ", pass == 0 ? "Dark" :
+		 "Light");
+	clrtoeol();
+	Pause();
+    }
+
+    bkgdset(A_NORMAL | BLANK);
+    erase();
+    endwin();
+}
+
+/****************************************************************************
+ *
+ * Windows and scrolling tester.
+ *
+ ****************************************************************************/
+
+#define BOTLINES	4	/* number of line stolen from screen bottom */
+
+typedef struct {
+    int y, x;
+} pair;
+
+#define FRAME struct frame
+FRAME
+{
+    FRAME *next, *last;
+    bool do_scroll;
+    bool do_keypad;
+    WINDOW *wind;
+};
+
+#if defined(NCURSES_VERSION)
+#if (NCURSES_VERSION_PATCH < 20070331) && NCURSES_EXT_FUNCS
+#define is_keypad(win)   (win)->_use_keypad
+#define is_scrollok(win) (win)->_scroll
+#elif !defined(is_keypad)
+#define is_keypad(win)   FALSE
+#define is_scrollok(win) FALSE
+#endif
+#else
+#define is_keypad(win)   FALSE
+#define is_scrollok(win) FALSE
+#endif
+
+static WINDOW *
+frame_win(FRAME * curp)
+{
+    return (curp != 0) ? curp->wind : stdscr;
+}
+
+/* We need to know if these flags are actually set, so don't look in FRAME.
+ * These names are known to work with SVr4 curses as well as ncurses.  The
+ * _use_keypad name does not work with Solaris 8.
+ */
+static bool
+HaveKeypad(FRAME * curp)
+{
+    WINDOW *win = frame_win(curp);
+    (void) win;
+    return is_keypad(win);
+}
+
+static bool
+HaveScroll(FRAME * curp)
+{
+    WINDOW *win = frame_win(curp);
+    (void) win;
+    return is_scrollok(win);
+}
+
+static void
+newwin_legend(FRAME * curp)
+{
+    static const struct {
+	const char *msg;
+	int code;
+    } legend[] = {
+	{
+	    "^C = create window", 0
+	},
+	{
+	    "^N = next window", 0
+	},
+	{
+	    "^P = previous window", 0
+	},
+	{
+	    "^F = scroll forward", 0
+	},
+	{
+	    "^B = scroll backward", 0
+	},
+	{
+	    "^K = keypad(%s)", 1
+	},
+	{
+	    "^S = scrollok(%s)", 2
+	},
+	{
+	    "^W = save window to file", 0
+	},
+	{
+	    "^R = restore window", 0
+	},
+#if HAVE_WRESIZE
+	{
+	    "^X = resize", 0
+	},
+#endif
+	{
+	    "^Q%s = exit", 3
+	}
+    };
+    size_t n;
+    int x;
+    bool do_keypad = HaveKeypad(curp);
+    bool do_scroll = HaveScroll(curp);
+    char buf[BUFSIZ];
+
+    move(LINES - 4, 0);
+    for (n = 0; n < SIZEOF(legend); n++) {
+	switch (legend[n].code) {
+	default:
+	    strcpy(buf, legend[n].msg);
+	    break;
+	case 1:
+	    sprintf(buf, legend[n].msg, do_keypad ? "yes" : "no");
+	    break;
+	case 2:
+	    sprintf(buf, legend[n].msg, do_scroll ? "yes" : "no");
+	    break;
+	case 3:
+	    sprintf(buf, legend[n].msg, do_keypad ? "/ESC" : "");
+	    break;
+	}
+	x = getcurx(stdscr);
+	addstr((COLS < (x + 3 + (int) strlen(buf))) ? "\n" : (n ? ", " : ""));
+	addstr(buf);
+    }
+    clrtoeol();
+}
+
+static void
+transient(FRAME * curp, NCURSES_CONST char *msg)
+{
+    newwin_legend(curp);
+    if (msg) {
+	MvAddStr(LINES - 1, 0, msg);
+	refresh();
+	napms(1000);
+    }
+
+    move(LINES - 1, 0);
+    printw("%s characters are echoed, window should %sscroll.",
+	   HaveKeypad(curp) ? "Non-arrow" : "All other",
+	   HaveScroll(curp) ? "" : "not ");
+    clrtoeol();
+}
+
+static void
+newwin_report(FRAME * curp)
+/* report on the cursor's current position, then restore it */
+{
+    WINDOW *win = frame_win(curp);
+    int y, x;
+
+    if (win != stdscr)
+	transient(curp, (char *) 0);
+    getyx(win, y, x);
+    move(LINES - 1, COLS - 17);
+    printw("Y = %2d X = %2d", y, x);
+    if (win != stdscr)
+	refresh();
+    else
+	wmove(win, y, x);
+}
+
+static pair *
+selectcell(int uli, int ulj, int lri, int lrj)
+/* arrows keys move cursor, return location at current on non-arrow key */
+{
+    static pair res;		/* result cell */
+    int si = lri - uli + 1;	/* depth of the select area */
+    int sj = lrj - ulj + 1;	/* width of the select area */
+    int i = 0, j = 0;		/* offsets into the select area */
+
+    res.y = uli;
+    res.x = ulj;
+    for (;;) {
+	move(uli + i, ulj + j);
+	newwin_report((FRAME *) 0);
+
+	switch (Getchar()) {
+	case KEY_UP:
+	    i += si - 1;
+	    break;
+	case KEY_DOWN:
+	    i++;
+	    break;
+	case KEY_LEFT:
+	    j += sj - 1;
+	    break;
+	case KEY_RIGHT:
+	    j++;
+	    break;
+	case case_QUIT:
+	    return ((pair *) 0);
+#ifdef NCURSES_MOUSE_VERSION
+	case KEY_MOUSE:
+	    {
+		MEVENT event;
+
+		getmouse(&event);
+		if (event.y > uli && event.x > ulj) {
+		    i = event.y - uli;
+		    j = event.x - ulj;
+		} else {
+		    beep();
+		    break;
+		}
+	    }
+	    /* FALLTHRU */
+#endif
+	default:
+	    res.y = uli + i;
+	    res.x = ulj + j;
+	    return (&res);
+	}
+	i %= si;
+	j %= sj;
+    }
+}
+
+static void
+outerbox(pair ul, pair lr, bool onoff)
+/* draw or erase a box *outside* the given pair of corners */
+{
+    MvAddCh(ul.y - 1, lr.x - 1, onoff ? ACS_ULCORNER : ' ');
+    MvAddCh(ul.y - 1, lr.x + 1, onoff ? ACS_URCORNER : ' ');
+    MvAddCh(lr.y + 1, lr.x + 1, onoff ? ACS_LRCORNER : ' ');
+    MvAddCh(lr.y + 1, ul.x - 1, onoff ? ACS_LLCORNER : ' ');
+    move(ul.y - 1, ul.x);
+    hline(onoff ? ACS_HLINE : ' ', lr.x - ul.x + 1);
+    move(ul.y, ul.x - 1);
+    vline(onoff ? ACS_VLINE : ' ', lr.y - ul.y + 1);
+    move(lr.y + 1, ul.x);
+    hline(onoff ? ACS_HLINE : ' ', lr.x - ul.x + 1);
+    move(ul.y, lr.x + 1);
+    vline(onoff ? ACS_VLINE : ' ', lr.y - ul.y + 1);
+}
+
+static WINDOW *
+getwindow(void)
+/* Ask user for a window definition */
+{
+    WINDOW *rwindow;
+    pair ul, lr, *tmp;
+
+    move(0, 0);
+    clrtoeol();
+    addstr("Use arrows to move cursor, anything else to mark corner 1");
+    refresh();
+    if ((tmp = selectcell(2, 1, LINES - BOTLINES - 2, COLS - 2)) == (pair *) 0)
+	return ((WINDOW *) 0);
+    memcpy(&ul, tmp, sizeof(pair));
+    MvAddCh(ul.y - 1, ul.x - 1, ACS_ULCORNER);
+    move(0, 0);
+    clrtoeol();
+    addstr("Use arrows to move cursor, anything else to mark corner 2");
+    refresh();
+    if ((tmp = selectcell(ul.y, ul.x, LINES - BOTLINES - 2, COLS - 2)) ==
+	(pair *) 0)
+	return ((WINDOW *) 0);
+    memcpy(&lr, tmp, sizeof(pair));
+
+    rwindow = subwin(stdscr, lr.y - ul.y + 1, lr.x - ul.x + 1, ul.y, ul.x);
+
+    outerbox(ul, lr, TRUE);
+    refresh();
+
+    if (rwindow != 0)
+	wrefresh(rwindow);
+
+    move(0, 0);
+    clrtoeol();
+    return (rwindow);
+}
+
+static void
+newwin_move(FRAME * curp, int dy, int dx)
+{
+    WINDOW *win = frame_win(curp);
+    int cur_y, cur_x;
+    int max_y, max_x;
+
+    getyx(win, cur_y, cur_x);
+    getmaxyx(win, max_y, max_x);
+    if ((cur_x += dx) < 0)
+	cur_x = 0;
+    else if (cur_x >= max_x)
+	cur_x = max_x - 1;
+    if ((cur_y += dy) < 0)
+	cur_y = 0;
+    else if (cur_y >= max_y)
+	cur_y = max_y - 1;
+    wmove(win, cur_y, cur_x);
+}
+
+static FRAME *
+delete_framed(FRAME * fp, bool showit)
+{
+    FRAME *np = 0;
+
+    if (fp != 0) {
+	fp->last->next = fp->next;
+	fp->next->last = fp->last;
+
+	if (showit) {
+	    werase(fp->wind);
+	    wrefresh(fp->wind);
+	}
+	delwin(fp->wind);
+
+	np = (fp == fp->next) ? 0 : fp->next;
+	free(fp);
+    }
+    return np;
+}
+
+static void
+acs_and_scroll(void)
+/* Demonstrate windows */
+{
+    int c;
+    FRAME *current = (FRAME *) 0, *neww;
+    WINDOW *usescr;
+#if HAVE_PUTWIN && HAVE_GETWIN
+    FILE *fp;
+#endif
+
+#define DUMPFILE	"screendump"
+
+#ifdef NCURSES_MOUSE_VERSION
+    mousemask(BUTTON1_CLICKED, (mmask_t *) 0);
+#endif
+    c = CTRL('C');
+    raw();
+    do {
+	transient((FRAME *) 0, (char *) 0);
+	switch (c) {
+	case CTRL('C'):
+	    if ((neww = typeCalloc(FRAME, (size_t) 1)) == 0) {
+		failed("acs_and_scroll");
+		goto breakout;
+	    }
+	    if ((neww->wind = getwindow()) == (WINDOW *) 0) {
+		failed("acs_and_scroll");
+		free(neww);
+		goto breakout;
+	    }
+
+	    if (current == 0) {	/* First element,  */
+		neww->next = neww;	/*   so point it at itself */
+		neww->last = neww;
+	    } else {
+		neww->next = current->next;
+		neww->last = current;
+		neww->last->next = neww;
+		neww->next->last = neww;
+	    }
+	    current = neww;
+	    /* SVr4 curses sets the keypad on all newly-created windows to
+	     * false.  Someone reported that PDCurses makes new windows inherit
+	     * this flag.  Remove the following 'keypad()' call to test this
+	     */
+	    keypad(current->wind, TRUE);
+	    current->do_keypad = HaveKeypad(current);
+	    current->do_scroll = HaveScroll(current);
+	    break;
+
+	case CTRL('N'):	/* go to next window */
+	    if (current)
+		current = current->next;
+	    break;
+
+	case CTRL('P'):	/* go to previous window */
+	    if (current)
+		current = current->last;
+	    break;
+
+	case CTRL('F'):	/* scroll current window forward */
+	    if (current)
+		wscrl(frame_win(current), 1);
+	    break;
+
+	case CTRL('B'):	/* scroll current window backwards */
+	    if (current)
+		wscrl(frame_win(current), -1);
+	    break;
+
+	case CTRL('K'):	/* toggle keypad mode for current */
+	    if (current) {
+		current->do_keypad = !current->do_keypad;
+		keypad(current->wind, current->do_keypad);
+	    }
+	    break;
+
+	case CTRL('S'):
+	    if (current) {
+		current->do_scroll = !current->do_scroll;
+		scrollok(current->wind, current->do_scroll);
+	    }
+	    break;
+
+#if HAVE_PUTWIN && HAVE_GETWIN
+	case CTRL('W'):	/* save and delete window */
+	    if ((current != 0) && (current == current->next)) {
+		transient(current, "Will not save/delete ONLY window");
+		break;
+	    } else if ((fp = fopen(DUMPFILE, "w")) == (FILE *) 0) {
+		transient(current, "Can't open screen dump file");
+	    } else {
+		(void) putwin(frame_win(current), fp);
+		(void) fclose(fp);
+
+		current = delete_framed(current, TRUE);
+	    }
+	    break;
+
+	case CTRL('R'):	/* restore window */
+	    if ((fp = fopen(DUMPFILE, "r")) == (FILE *) 0) {
+		transient(current, "Can't open screen dump file");
+	    } else {
+		if ((neww = typeCalloc(FRAME, (size_t) 1)) != 0) {
+
+		    neww->next = current ? current->next : 0;
+		    neww->last = current;
+		    if (neww->last != 0)
+			neww->last->next = neww;
+		    if (neww->next != 0)
+			neww->next->last = neww;
+
+		    neww->wind = getwin(fp);
+
+		    wrefresh(neww->wind);
+		} else {
+		    failed("acs_and_scroll");
+		}
+		(void) fclose(fp);
+	    }
+	    break;
+#endif
+
+#if HAVE_WRESIZE
+	case CTRL('X'):	/* resize window */
+	    if (current) {
+		pair *tmp, ul, lr;
+		int i, mx, my;
+
+		move(0, 0);
+		clrtoeol();
+		addstr("Use arrows to move cursor, anything else to mark new corner");
+		refresh();
+
+		getbegyx(current->wind, ul.y, ul.x);
+
+		tmp = selectcell(ul.y, ul.x, LINES - BOTLINES - 2, COLS - 2);
+		if (tmp == (pair *) 0) {
+		    beep();
+		    break;
+		}
+
+		getmaxyx(current->wind, lr.y, lr.x);
+		lr.y += (ul.y - 1);
+		lr.x += (ul.x - 1);
+		outerbox(ul, lr, FALSE);
+		wnoutrefresh(stdscr);
+
+		/* strictly cosmetic hack for the test */
+		getmaxyx(current->wind, my, mx);
+		if (my > tmp->y - ul.y) {
+		    getyx(current->wind, lr.y, lr.x);
+		    wmove(current->wind, tmp->y - ul.y + 1, 0);
+		    wclrtobot(current->wind);
+		    wmove(current->wind, lr.y, lr.x);
+		}
+		if (mx > tmp->x - ul.x)
+		    for (i = 0; i < my; i++) {
+			wmove(current->wind, i, tmp->x - ul.x + 1);
+			wclrtoeol(current->wind);
+		    }
+		wnoutrefresh(current->wind);
+
+		memcpy(&lr, tmp, sizeof(pair));
+		(void) wresize(current->wind, lr.y - ul.y + 0, lr.x - ul.x + 0);
+
+		getbegyx(current->wind, ul.y, ul.x);
+		getmaxyx(current->wind, lr.y, lr.x);
+		lr.y += (ul.y - 1);
+		lr.x += (ul.x - 1);
+		outerbox(ul, lr, TRUE);
+		wnoutrefresh(stdscr);
+
+		wnoutrefresh(current->wind);
+		move(0, 0);
+		clrtoeol();
+		doupdate();
+	    }
+	    break;
+#endif /* HAVE_WRESIZE */
+
+	case KEY_F(10):	/* undocumented --- use this to test area clears */
+	    selectcell(0, 0, LINES - 1, COLS - 1);
+	    clrtobot();
+	    refresh();
+	    break;
+
+	case KEY_UP:
+	    newwin_move(current, -1, 0);
+	    break;
+	case KEY_DOWN:
+	    newwin_move(current, 1, 0);
+	    break;
+	case KEY_LEFT:
+	    newwin_move(current, 0, -1);
+	    break;
+	case KEY_RIGHT:
+	    newwin_move(current, 0, 1);
+	    break;
+
+	case KEY_BACKSPACE:
+	    /* FALLTHROUGH */
+	case KEY_DC:
+	    {
+		int y, x;
+		getyx(frame_win(current), y, x);
+		if (--x < 0) {
+		    if (--y < 0)
+			break;
+		    x = getmaxx(frame_win(current)) - 1;
+		}
+		(void) mvwdelch(frame_win(current), y, x);
+	    }
+	    break;
+
+	case '\r':
+	    c = '\n';
+	    /* FALLTHROUGH */
+
+	default:
+	    if (current)
+		waddch(current->wind, (chtype) c);
+	    else
+		beep();
+	    break;
+	}
+	newwin_report(current);
+	usescr = frame_win(current);
+	wrefresh(usescr);
+    } while
+	(!isQuit(c = wGetchar(usescr))
+	 && (c != ERR));
+
+  breakout:
+    while (current != 0)
+	current = delete_framed(current, FALSE);
+
+    scrollok(stdscr, TRUE);	/* reset to driver's default */
+#ifdef NCURSES_MOUSE_VERSION
+    mousemask(0, (mmask_t *) 0);
+#endif
+    noraw();
+    erase();
+    endwin();
+}
+
+/****************************************************************************
+ *
+ * Panels tester
+ *
+ ****************************************************************************/
+
+#if USE_LIBPANEL
+static int nap_msec = 1;
+
+static NCURSES_CONST char *mod[] =
+{
+    "test ",
+    "TEST ",
+    "(**) ",
+    "*()* ",
+    "<--> ",
+    "LAST "
+};
+
+/*+-------------------------------------------------------------------------
+	wait_a_while(msec)
+--------------------------------------------------------------------------*/
+static void
+wait_a_while(int msec GCC_UNUSED)
+{
+#if HAVE_NAPMS
+    if (nap_msec == 1)
+	wGetchar(stdscr);
+    else
+	napms(nap_msec);
+#else
+    if (nap_msec == 1)
+	wGetchar(stdscr);
+    else if (msec > 1000)
+	sleep((unsigned) msec / 1000);
+    else
+	sleep(1);
+#endif
+}				/* end of wait_a_while */
+
+/*+-------------------------------------------------------------------------
+	saywhat(text)
+--------------------------------------------------------------------------*/
+static void
+saywhat(NCURSES_CONST char *text)
+{
+    wmove(stdscr, LINES - 1, 0);
+    wclrtoeol(stdscr);
+    if (text != 0 && *text != '\0') {
+	waddstr(stdscr, text);
+	waddstr(stdscr, "; ");
+    }
+    waddstr(stdscr, "press any key to continue");
+}				/* end of saywhat */
+
+/*+-------------------------------------------------------------------------
+	mkpanel(rows,cols,tly,tlx) - alloc a win and panel and associate them
+--------------------------------------------------------------------------*/
+static PANEL *
+mkpanel(NCURSES_COLOR_T color, int rows, int cols, int tly, int tlx)
+{
+    WINDOW *win;
+    PANEL *pan = 0;
+
+    if ((win = newwin(rows, cols, tly, tlx)) != 0) {
+	if ((pan = new_panel(win)) == 0) {
+	    delwin(win);
+	} else if (use_colors) {
+	    NCURSES_COLOR_T fg = (NCURSES_COLOR_T) ((color == COLOR_BLUE)
+						    ? COLOR_WHITE
+						    : COLOR_BLACK);
+	    NCURSES_COLOR_T bg = color;
+
+	    init_pair(color, fg, bg);
+	    wbkgdset(win, (attr_t) (COLOR_PAIR(color) | ' '));
+	} else {
+	    wbkgdset(win, A_BOLD | ' ');
+	}
+    }
+    return pan;
+}				/* end of mkpanel */
+
+/*+-------------------------------------------------------------------------
+	rmpanel(pan)
+--------------------------------------------------------------------------*/
+static void
+rmpanel(PANEL * pan)
+{
+    WINDOW *win = panel_window(pan);
+    del_panel(pan);
+    delwin(win);
+}				/* end of rmpanel */
+
+/*+-------------------------------------------------------------------------
+	pflush()
+--------------------------------------------------------------------------*/
+static void
+pflush(void)
+{
+    update_panels();
+    doupdate();
+}				/* end of pflush */
+
+/*+-------------------------------------------------------------------------
+	fill_panel(win)
+--------------------------------------------------------------------------*/
+static void
+init_panel(WINDOW *win)
+{
+    register int y, x;
+
+    for (y = 0; y < LINES - 1; y++) {
+	for (x = 0; x < COLS; x++)
+	    wprintw(win, "%d", (y + x) % 10);
+    }
+}
+
+static void
+fill_panel(PANEL * pan)
+{
+    WINDOW *win = panel_window(pan);
+    const char *userptr = (const char *) panel_userptr(pan);
+    int num = (userptr && *userptr) ? userptr[1] : '?';
+    int y, x;
+
+    wmove(win, 1, 1);
+    wprintw(win, "-pan%c-", num);
+    wclrtoeol(win);
+    box(win, 0, 0);
+    for (y = 2; y < getmaxy(win) - 1; y++) {
+	for (x = 1; x < getmaxx(win) - 1; x++) {
+	    wmove(win, y, x);
+	    waddch(win, UChar(num));
+	}
+    }
+}
+
+#if USE_WIDEC_SUPPORT
+static void
+init_wide_panel(WINDOW *win)
+{
+    int digit;
+    cchar_t temp[10];
+
+    for (digit = 0; digit < 10; ++digit)
+	make_fullwidth_digit(&temp[digit], digit);
+
+    do {
+	int y, x;
+	getyx(stdscr, y, x);
+	digit = (y + x / 2) % 10;
+    } while (wadd_wch(win, &temp[digit]) != ERR);
+}
+
+static void
+fill_wide_panel(PANEL * pan)
+{
+    WINDOW *win = panel_window(pan);
+    const char *userptr = (const char *) panel_userptr(pan);
+    int num = (userptr && *userptr) ? userptr[1] : '?';
+    int y, x;
+
+    wmove(win, 1, 1);
+    wprintw(win, "-pan%c-", num);
+    wclrtoeol(win);
+    box(win, 0, 0);
+    for (y = 2; y < getmaxy(win) - 1; y++) {
+	for (x = 1; x < getmaxx(win) - 1; x++) {
+	    wmove(win, y, x);
+	    waddch(win, UChar(num));
+	}
+    }
+}
+#endif
+
+#define MAX_PANELS 5
+
+static void
+canned_panel(PANEL * px[MAX_PANELS + 1], NCURSES_CONST char *cmd)
+{
+    int which = cmd[1] - '0';
+
+    saywhat(cmd);
+    switch (*cmd) {
+    case 'h':
+	hide_panel(px[which]);
+	break;
+    case 's':
+	show_panel(px[which]);
+	break;
+    case 't':
+	top_panel(px[which]);
+	break;
+    case 'b':
+	bottom_panel(px[which]);
+	break;
+    case 'd':
+	rmpanel(px[which]);
+	break;
+    }
+    pflush();
+    wait_a_while(nap_msec);
+}
+
+static void
+demo_panels(void (*InitPanel) (WINDOW *), void (*FillPanel) (PANEL *))
+{
+    int count;
+    int itmp;
+    PANEL *px[MAX_PANELS + 1];
+
+    scrollok(stdscr, FALSE);	/* we don't want stdscr to scroll! */
+    refresh();
+
+    InitPanel(stdscr);
+    for (count = 0; count < 5; count++) {
+	px[1] = mkpanel(COLOR_RED,
+			LINES / 2 - 2,
+			COLS / 8 + 1,
+			0,
+			0);
+	set_panel_userptr(px[1], (NCURSES_CONST void *) "p1");
+
+	px[2] = mkpanel(COLOR_GREEN,
+			LINES / 2 + 1,
+			COLS / 7,
+			LINES / 4,
+			COLS / 10);
+	set_panel_userptr(px[2], (NCURSES_CONST void *) "p2");
+
+	px[3] = mkpanel(COLOR_YELLOW,
+			LINES / 4,
+			COLS / 10,
+			LINES / 2,
+			COLS / 9);
+	set_panel_userptr(px[3], (NCURSES_CONST void *) "p3");
+
+	px[4] = mkpanel(COLOR_BLUE,
+			LINES / 2 - 2,
+			COLS / 8,
+			LINES / 2 - 2,
+			COLS / 3);
+	set_panel_userptr(px[4], (NCURSES_CONST void *) "p4");
+
+	px[5] = mkpanel(COLOR_MAGENTA,
+			LINES / 2 - 2,
+			COLS / 8,
+			LINES / 2,
+			COLS / 2 - 2);
+	set_panel_userptr(px[5], (NCURSES_CONST void *) "p5");
+
+	FillPanel(px[1]);
+	FillPanel(px[2]);
+	FillPanel(px[3]);
+	FillPanel(px[4]);
+	FillPanel(px[5]);
+
+	hide_panel(px[4]);
+	hide_panel(px[5]);
+	pflush();
+	saywhat("");
+	wait_a_while(nap_msec);
+
+	saywhat("h3 s1 s2 s4 s5");
+	move_panel(px[1], 0, 0);
+	hide_panel(px[3]);
+	show_panel(px[1]);
+	show_panel(px[2]);
+	show_panel(px[4]);
+	show_panel(px[5]);
+	pflush();
+	wait_a_while(nap_msec);
+
+	canned_panel(px, "s1");
+	canned_panel(px, "s2");
+
+	saywhat("m2");
+	move_panel(px[2], LINES / 3 + 1, COLS / 8);
+	pflush();
+	wait_a_while(nap_msec);
+
+	canned_panel(px, "s3");
+
+	saywhat("m3");
+	move_panel(px[3], LINES / 4 + 1, COLS / 15);
+	pflush();
+	wait_a_while(nap_msec);
+
+	canned_panel(px, "b3");
+	canned_panel(px, "s4");
+	canned_panel(px, "s5");
+	canned_panel(px, "t3");
+	canned_panel(px, "t1");
+	canned_panel(px, "t2");
+	canned_panel(px, "t3");
+	canned_panel(px, "t4");
+
+	for (itmp = 0; itmp < 6; itmp++) {
+	    WINDOW *w4 = panel_window(px[4]);
+	    WINDOW *w5 = panel_window(px[5]);
+
+	    saywhat("m4");
+	    wmove(w4, LINES / 8, 1);
+	    waddstr(w4, mod[itmp]);
+	    move_panel(px[4], LINES / 6, itmp * (COLS / 8));
+	    wmove(w5, LINES / 6, 1);
+	    waddstr(w5, mod[itmp]);
+	    pflush();
+	    wait_a_while(nap_msec);
+
+	    saywhat("m5");
+	    wmove(w4, LINES / 6, 1);
+	    waddstr(w4, mod[itmp]);
+	    move_panel(px[5], LINES / 3 - 1, (itmp * 10) + 6);
+	    wmove(w5, LINES / 8, 1);
+	    waddstr(w5, mod[itmp]);
+	    pflush();
+	    wait_a_while(nap_msec);
+	}
+
+	saywhat("m4");
+	move_panel(px[4], LINES / 6, itmp * (COLS / 8));
+	pflush();
+	wait_a_while(nap_msec);
+
+	canned_panel(px, "t5");
+	canned_panel(px, "t2");
+	canned_panel(px, "t1");
+	canned_panel(px, "d2");
+	canned_panel(px, "h3");
+	canned_panel(px, "d1");
+	canned_panel(px, "d4");
+	canned_panel(px, "d5");
+	canned_panel(px, "d3");
+
+	wait_a_while(nap_msec);
+	if (nap_msec == 1)
+	    break;
+	nap_msec = 100L;
+    }
+
+    erase();
+    endwin();
+}
+#endif /* USE_LIBPANEL */
+
+/****************************************************************************
+ *
+ * Pad tester
+ *
+ ****************************************************************************/
+
+#define GRIDSIZE	3
+
+static bool pending_pan = FALSE;
+static bool show_panner_legend = TRUE;
+
+static int
+panner_legend(int line)
+{
+    static const char *const legend[] =
+    {
+	"Use arrow keys (or U,D,L,R) to pan, ESC to quit, ! to shell-out.",
+	"Use +,- (or j,k) to grow/shrink the panner vertically.",
+	"Use <,> (or h,l) to grow/shrink the panner horizontally.",
+	"Number repeats.  Toggle legend:? filler:a timer:t scrollmark:s."
+    };
+    int n = ((int) SIZEOF(legend) - (LINES - line));
+    if (n >= 0) {
+	if (move(line, 0) != ERR) {
+	    if (show_panner_legend)
+		printw("%s", legend[n]);
+	    clrtoeol();
+	    return show_panner_legend;
+	}
+    }
+    return FALSE;
+}
+
+static void
+panner_h_cleanup(int from_y, int from_x, int to_x)
+{
+    if (!panner_legend(from_y))
+	do_h_line(from_y, from_x, ' ', to_x);
+}
+
+static void
+panner_v_cleanup(int from_y, int from_x, int to_y)
+{
+    if (!panner_legend(from_y))
+	do_v_line(from_y, from_x, ' ', to_y);
+}
+
+static void
+fill_pad(WINDOW *panpad, bool pan_lines, bool colored)
+{
+    int y, x;
+    unsigned gridcount = 0;
+    chtype fill = 0;
+#ifdef A_COLOR
+    if (colored)
+	fill = (chtype) COLOR_PAIR(1);
+#endif
+
+    wmove(panpad, 0, 0);
+    for (y = 0; y < getmaxy(panpad); y++) {
+	for (x = 0; x < getmaxx(panpad); x++) {
+	    if (y % GRIDSIZE == 0 && x % GRIDSIZE == 0) {
+		if (y == 0 && x == 0)
+		    waddch(panpad, pan_lines ? ACS_ULCORNER : '+');
+		else if (y == 0)
+		    waddch(panpad, pan_lines ? ACS_TTEE : '+');
+		else if (y == 0 || x == 0)
+		    waddch(panpad, pan_lines ? ACS_LTEE : '+');
+		else
+		    waddch(panpad, (chtype) ((pan_lines ? 'a' : 'A') +
+					     (int) (gridcount++ % 26)) | fill);
+	    } else if (y % GRIDSIZE == 0)
+		waddch(panpad, pan_lines ? ACS_HLINE : '-');
+	    else if (x % GRIDSIZE == 0)
+		waddch(panpad, pan_lines ? ACS_VLINE : '|');
+	    else
+		waddch(panpad, ' ');
+	}
+    }
+}
+
+static void
+panner(WINDOW *pad,
+       int top_x, int top_y, int porty, int portx,
+       int (*pgetc) (WINDOW *),
+       bool colored)
+{
+#if HAVE_GETTIMEOFDAY
+    struct timeval before, after;
+    bool timing = TRUE;
+#endif
+    bool pan_lines = FALSE;
+    bool scrollers = TRUE;
+    int basex = 0;
+    int basey = 0;
+    int pxmax, pymax, lowend, highend, c;
+
+    getmaxyx(pad, pymax, pxmax);
+    scrollok(stdscr, FALSE);	/* we don't want stdscr to scroll! */
+
+    c = KEY_REFRESH;
+    do {
+#ifdef NCURSES_VERSION
+	/*
+	 * During shell-out, the user may have resized the window.  Adjust
+	 * the port size of the pad to accommodate this.  Ncurses automatically
+	 * resizes all of the normal windows to fit on the new screen.
+	 */
+	if (top_x > COLS)
+	    top_x = COLS;
+	if (portx > COLS)
+	    portx = COLS;
+	if (top_y > LINES)
+	    top_y = LINES;
+	if (porty > LINES)
+	    porty = LINES;
+#endif
+	switch (c) {
+	case KEY_REFRESH:
+	    erase();
+
+	    /* FALLTHRU */
+	case '?':
+	    if (c == '?')
+		show_panner_legend = !show_panner_legend;
+	    panner_legend(LINES - 4);
+	    panner_legend(LINES - 3);
+	    panner_legend(LINES - 2);
+	    panner_legend(LINES - 1);
+	    break;
+	case 'a':
+	    pan_lines = !pan_lines;
+	    fill_pad(pad, pan_lines, colored);
+	    pending_pan = FALSE;
+	    break;
+
+#if HAVE_GETTIMEOFDAY
+	case 't':
+	    timing = !timing;
+	    if (!timing)
+		panner_legend(LINES - 1);
+	    break;
+#endif
+	case 's':
+	    scrollers = !scrollers;
+	    break;
+
+	    /* Move the top-left corner of the pad, keeping the bottom-right
+	     * corner fixed.
+	     */
+	case 'h':		/* increase-columns: move left edge to left */
+	    if (top_x <= 0)
+		beep();
+	    else {
+		panner_v_cleanup(top_y, top_x, porty);
+		top_x--;
+	    }
+	    break;
+
+	case 'j':		/* decrease-lines: move top-edge down */
+	    if (top_y >= porty)
+		beep();
+	    else {
+		panner_h_cleanup(top_y - 1, top_x - (top_x > 0), portx);
+		top_y++;
+	    }
+	    break;
+
+	case 'k':		/* increase-lines: move top-edge up */
+	    if (top_y <= 0)
+		beep();
+	    else {
+		top_y--;
+		panner_h_cleanup(top_y, top_x, portx);
+	    }
+	    break;
+
+	case 'l':		/* decrease-columns: move left-edge to right */
+	    if (top_x >= portx)
+		beep();
+	    else {
+		panner_v_cleanup(top_y - (top_y > 0), top_x - 1, porty);
+		top_x++;
+	    }
+	    break;
+
+	    /* Move the bottom-right corner of the pad, keeping the top-left
+	     * corner fixed.
+	     */
+	case KEY_IC:		/* increase-columns: move right-edge to right */
+	    if (portx >= pxmax || portx >= COLS)
+		beep();
+	    else {
+		panner_v_cleanup(top_y - (top_y > 0), portx - 1, porty);
+		++portx;
+	    }
+	    break;
+
+	case KEY_IL:		/* increase-lines: move bottom-edge down */
+	    if (porty >= pymax || porty >= LINES)
+		beep();
+	    else {
+		panner_h_cleanup(porty - 1, top_x - (top_x > 0), portx);
+		++porty;
+	    }
+	    break;
+
+	case KEY_DC:		/* decrease-columns: move bottom edge up */
+	    if (portx <= top_x)
+		beep();
+	    else {
+		portx--;
+		panner_v_cleanup(top_y - (top_y > 0), portx, porty);
+	    }
+	    break;
+
+	case KEY_DL:		/* decrease-lines */
+	    if (porty <= top_y)
+		beep();
+	    else {
+		porty--;
+		panner_h_cleanup(porty, top_x - (top_x > 0), portx);
+	    }
+	    break;
+
+	case KEY_LEFT:		/* pan leftwards */
+	    if (basex > 0)
+		basex--;
+	    else
+		beep();
+	    break;
+
+	case KEY_RIGHT:	/* pan rightwards */
+	    if (basex + portx - (pymax > porty) < pxmax)
+		basex++;
+	    else
+		beep();
+	    break;
+
+	case KEY_UP:		/* pan upwards */
+	    if (basey > 0)
+		basey--;
+	    else
+		beep();
+	    break;
+
+	case KEY_DOWN:		/* pan downwards */
+	    if (basey + porty - (pxmax > portx) < pymax)
+		basey++;
+	    else
+		beep();
+	    break;
+
+	case 'H':
+	case KEY_HOME:
+	case KEY_FIND:
+	    basey = 0;
+	    break;
+
+	case 'E':
+	case KEY_END:
+	case KEY_SELECT:
+	    basey = pymax - porty;
+	    if (basey < 0)
+		basey = 0;
+	    break;
+
+	default:
+	    beep();
+	    break;
+	}
+
+	MvAddCh(top_y - 1, top_x - 1, ACS_ULCORNER);
+	do_v_line(top_y, top_x - 1, ACS_VLINE, porty);
+	do_h_line(top_y - 1, top_x, ACS_HLINE, portx);
+
+	if (scrollers && (pxmax > portx - 1)) {
+	    int length = (portx - top_x - 1);
+	    float ratio = ((float) length) / ((float) pxmax);
+
+	    lowend = (int) ((float) top_x + ((float) basex * ratio));
+	    highend = (int) ((float) top_x + ((float) (basex + length) * ratio));
+
+	    do_h_line(porty - 1, top_x, ACS_HLINE, lowend);
+	    if (highend < portx) {
+		attron(A_REVERSE);
+		do_h_line(porty - 1, lowend, ' ', highend + 1);
+		attroff(A_REVERSE);
+		do_h_line(porty - 1, highend + 1, ACS_HLINE, portx);
+	    }
+	} else
+	    do_h_line(porty - 1, top_x, ACS_HLINE, portx);
+
+	if (scrollers && (pymax > porty - 1)) {
+	    int length = (porty - top_y - 1);
+	    float ratio = ((float) length) / ((float) pymax);
+
+	    lowend = (int) ((float) top_y + ((float) basey * ratio));
+	    highend = (int) ((float) top_y + ((float) (basey + length) * ratio));
+
+	    do_v_line(top_y, portx - 1, ACS_VLINE, lowend);
+	    if (highend < porty) {
+		attron(A_REVERSE);
+		do_v_line(lowend, portx - 1, ' ', highend + 1);
+		attroff(A_REVERSE);
+		do_v_line(highend + 1, portx - 1, ACS_VLINE, porty);
+	    }
+	} else
+	    do_v_line(top_y, portx - 1, ACS_VLINE, porty);
+
+	MvAddCh(top_y - 1, portx - 1, ACS_URCORNER);
+	MvAddCh(porty - 1, top_x - 1, ACS_LLCORNER);
+	MvAddCh(porty - 1, portx - 1, ACS_LRCORNER);
+
+	if (!pending_pan) {
+#if HAVE_GETTIMEOFDAY
+	    gettimeofday(&before, 0);
+#endif
+	    wnoutrefresh(stdscr);
+
+	    pnoutrefresh(pad,
+			 basey, basex,
+			 top_y, top_x,
+			 porty - (pxmax > portx) - 1,
+			 portx - (pymax > porty) - 1);
+
+	    doupdate();
+#if HAVE_GETTIMEOFDAY
+#define TIMEVAL2S(data) ((double) data.tv_sec + ((double) data.tv_usec / 1.0e6))
+	    if (timing) {
+		double elapsed;
+		gettimeofday(&after, 0);
+		elapsed = (TIMEVAL2S(after) - TIMEVAL2S(before));
+		move(LINES - 1, COLS - 12);
+		printw("Secs: %2.03f", elapsed);
+		refresh();
+	    }
+#endif
+	}
+
+    } while
+	((c = pgetc(pad)) != KEY_EXIT);
+
+    scrollok(stdscr, TRUE);	/* reset to driver's default */
+}
+
+static int
+padgetch(WINDOW *win)
+{
+    static int count;
+    static int last;
+    int c;
+
+    if ((pending_pan = (count > 0)) != FALSE) {
+	count--;
+	pending_pan = (count != 0);
+    } else {
+	for (;;) {
+	    switch (c = wGetchar(win)) {
+	    case '!':
+		ShellOut(FALSE);
+		/* FALLTHRU */
+	    case CTRL('r'):
+		endwin();
+		refresh();
+		c = KEY_REFRESH;
+		break;
+	    case CTRL('l'):
+		c = KEY_REFRESH;
+		break;
+	    case 'U':
+		c = KEY_UP;
+		break;
+	    case 'D':
+		c = KEY_DOWN;
+		break;
+	    case 'R':
+		c = KEY_RIGHT;
+		break;
+	    case 'L':
+		c = KEY_LEFT;
+		break;
+	    case '+':
+		c = KEY_IL;
+		break;
+	    case '-':
+		c = KEY_DL;
+		break;
+	    case '>':
+		c = KEY_IC;
+		break;
+	    case '<':
+		c = KEY_DC;
+		break;
+	    case ERR:		/* FALLTHRU */
+	    case case_QUIT:
+		count = 0;
+		c = KEY_EXIT;
+		break;
+	    default:
+		if (c >= '0' && c <= '9') {
+		    count = count * 10 + (c - '0');
+		    continue;
+		}
+		break;
+	    }
+	    last = c;
+	    break;
+	}
+	if (count > 0)
+	    count--;
+    }
+    return (last);
+}
+
+#define PAD_HIGH 200
+#define PAD_WIDE 200
+
+static void
+demo_pad(bool colored)
+/* Demonstrate pads. */
+{
+    WINDOW *panpad = newpad(PAD_HIGH, PAD_WIDE);
+
+    if (panpad == 0) {
+	Cannot("cannot create requested pad");
+	return;
+    }
+
+#ifdef A_COLOR
+    if (colored && use_colors) {
+	init_pair(1, COLOR_BLACK, COLOR_GREEN);
+	init_pair(2, COLOR_CYAN, COLOR_BLUE);
+	wbkgd(panpad, (chtype) (COLOR_PAIR(2) | ' '));
+    }
+#endif
+    fill_pad(panpad, FALSE, colored);
+
+    panner_legend(LINES - 4);
+    panner_legend(LINES - 3);
+    panner_legend(LINES - 2);
+    panner_legend(LINES - 1);
+
+    keypad(panpad, TRUE);
+
+    /* Make the pad (initially) narrow enough that a trace file won't wrap.
+     * We'll still be able to widen it during a test, since that's required
+     * for testing boundaries.
+     */
+    panner(panpad, 2, 2, LINES - 5, COLS - 15, padgetch, colored);
+
+    delwin(panpad);
+    endwin();
+    erase();
+}
+
+/****************************************************************************
+ *
+ * Tests from John Burnell's PDCurses tester
+ *
+ ****************************************************************************/
+
+static void
+Continue(WINDOW *win)
+{
+    noecho();
+    wmove(win, 10, 1);
+    MvWAddStr(win, 10, 1, " Press any key to continue");
+    wrefresh(win);
+    wGetchar(win);
+}
+
+static void
+flushinp_test(WINDOW *win)
+/* Input test, adapted from John Burnell's PDCurses tester */
+{
+    int w, h, bx, by, sw, sh, i;
+
+    WINDOW *subWin;
+    wclear(win);
+
+    getmaxyx(win, h, w);
+    getbegyx(win, by, bx);
+    sw = w / 3;
+    sh = h / 3;
+    if ((subWin = subwin(win, sh, sw, by + h - sh - 2, bx + w - sw - 2)) == 0)
+	return;
+
+#ifdef A_COLOR
+    if (use_colors) {
+	init_pair(2, COLOR_CYAN, COLOR_BLUE);
+	wbkgd(subWin, (chtype) (COLOR_PAIR(2) | ' '));
+    }
+#endif
+    (void) wattrset(subWin, A_BOLD);
+    box(subWin, ACS_VLINE, ACS_HLINE);
+    MvWAddStr(subWin, 2, 1, "This is a subwindow");
+    wrefresh(win);
+
+    /*
+     * This used to set 'nocbreak()'.  However, Alexander Lukyanov says that
+     * it only happened to "work" on SVr4 because that implementation does not
+     * emulate nocbreak+noecho mode, whereas ncurses does.  To get the desired
+     * test behavior, we're using 'cbreak()', which will allow a single
+     * character to return without needing a newline. - T.Dickey 1997/10/11.
+     */
+    cbreak();
+    MvWAddStr(win, 0, 1, "This is a test of the flushinp() call.");
+
+    MvWAddStr(win, 2, 1, "Type random keys for 5 seconds.");
+    MvWAddStr(win, 3, 1,
+	      "These should be discarded (not echoed) after the subwindow goes away.");
+    wrefresh(win);
+
+    for (i = 0; i < 5; i++) {
+	MvWPrintw(subWin, 1, 1, "Time = %d", i);
+	wrefresh(subWin);
+	napms(1000);
+	flushinp();
+    }
+
+    delwin(subWin);
+    werase(win);
+    flash();
+    wrefresh(win);
+    napms(1000);
+
+    MvWAddStr(win, 2, 1,
+	      "If you were still typing when the window timer expired,");
+    MvWAddStr(win, 3, 1,
+	      "or else you typed nothing at all while it was running,");
+    MvWAddStr(win, 4, 1,
+	      "test was invalid.  You'll see garbage or nothing at all. ");
+    MvWAddStr(win, 6, 1, "Press a key");
+    wmove(win, 9, 10);
+    wrefresh(win);
+    echo();
+    wGetchar(win);
+    flushinp();
+    MvWAddStr(win, 12, 0,
+	      "If you see any key other than what you typed, flushinp() is broken.");
+    Continue(win);
+
+    wmove(win, 9, 10);
+    wdelch(win);
+    wrefresh(win);
+    wmove(win, 12, 0);
+    clrtoeol();
+    waddstr(win,
+	    "What you typed should now have been deleted; if not, wdelch() failed.");
+    Continue(win);
+
+    cbreak();
+}
+
+/****************************************************************************
+ *
+ * Menu test
+ *
+ ****************************************************************************/
+
+#if USE_LIBMENU
+
+#define MENU_Y	8
+#define MENU_X	8
+
+static int
+menu_virtualize(int c)
+{
+    if (c == '\n' || c == KEY_EXIT)
+	return (MAX_COMMAND + 1);
+    else if (c == 'u')
+	return (REQ_SCR_ULINE);
+    else if (c == 'd')
+	return (REQ_SCR_DLINE);
+    else if (c == 'b' || c == KEY_NPAGE)
+	return (REQ_SCR_UPAGE);
+    else if (c == 'f' || c == KEY_PPAGE)
+	return (REQ_SCR_DPAGE);
+    else if (c == 'n' || c == KEY_DOWN)
+	return (REQ_NEXT_ITEM);
+    else if (c == 'p' || c == KEY_UP)
+	return (REQ_PREV_ITEM);
+    else if (c == ' ')
+	return (REQ_TOGGLE_ITEM);
+    else {
+	if (c != KEY_MOUSE)
+	    beep();
+	return (c);
+    }
+}
+
+static CONST_MENUS char *animals[] =
+{
+    "Lions",
+    "Tigers",
+    "Bears",
+    "(Oh my!)",
+    "Newts",
+    "Platypi",
+    "Lemurs",
+    "(Oh really?!)",
+    "Leopards",
+    "Panthers",
+    "Pumas",
+    "Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs",
+    "Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs, Lions, Tigers, Bears, (Oh my!), Newts, Platypi, Lemurs",
+    (char *) 0
+};
+
+static void
+menu_test(void)
+{
+    MENU *m;
+    ITEM *items[SIZEOF(animals)];
+    ITEM **ip = items;
+    CONST_MENUS char **ap;
+    int mrows, mcols, c;
+    WINDOW *menuwin;
+
+#ifdef NCURSES_MOUSE_VERSION
+    mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
+#endif
+    MvAddStr(0, 0, "This is the menu test:");
+    MvAddStr(2, 0, "  Use up and down arrow to move the select bar.");
+    MvAddStr(3, 0, "  'n' and 'p' act like arrows.");
+    MvAddStr(4, 0,
+	     "  'b' and 'f' scroll up/down (page), 'u' and 'd' (line).");
+    MvAddStr(5, 0, "  Press return to exit.");
+    refresh();
+
+    for (ap = animals; *ap; ap++) {
+	if ((*ip = new_item(*ap, "")) != 0)
+	    ++ip;
+    }
+    *ip = (ITEM *) 0;
+
+    m = new_menu(items);
+
+    set_menu_format(m, (SIZEOF(animals) + 1) / 2, 1);
+    scale_menu(m, &mrows, &mcols);
+
+    menuwin = newwin(mrows + 2, mcols + 2, MENU_Y, MENU_X);
+    set_menu_win(m, menuwin);
+    keypad(menuwin, TRUE);
+    box(menuwin, 0, 0);
+
+    set_menu_sub(m, derwin(menuwin, mrows, mcols, 1, 1));
+
+    post_menu(m);
+
+    while ((c = menu_driver(m, menu_virtualize(wGetchar(menuwin)))) != E_UNKNOWN_COMMAND) {
+	if (c == E_NOT_POSTED)
+	    break;
+	if (c == E_REQUEST_DENIED)
+	    beep();
+	continue;
+    }
+
+    MvPrintw(LINES - 2, 0,
+	     "You chose: %s\n", item_name(current_item(m)));
+    (void) addstr("Press any key to continue...");
+    wGetchar(stdscr);
+
+    unpost_menu(m);
+    delwin(menuwin);
+
+    free_menu(m);
+    for (ip = items; *ip; ip++)
+	free_item(*ip);
+#ifdef NCURSES_MOUSE_VERSION
+    mousemask(0, (mmask_t *) 0);
+#endif
+}
+
+#ifdef TRACE
+#define T_TBL(name) { #name, name }
+static struct {
+    const char *name;
+    unsigned mask;
+} t_tbl[] = {
+
+    T_TBL(TRACE_DISABLE),
+	T_TBL(TRACE_TIMES),
+	T_TBL(TRACE_TPUTS),
+	T_TBL(TRACE_UPDATE),
+	T_TBL(TRACE_MOVE),
+	T_TBL(TRACE_CHARPUT),
+	T_TBL(TRACE_ORDINARY),
+	T_TBL(TRACE_CALLS),
+	T_TBL(TRACE_VIRTPUT),
+	T_TBL(TRACE_IEVENT),
+	T_TBL(TRACE_BITS),
+	T_TBL(TRACE_ICALLS),
+	T_TBL(TRACE_CCALLS),
+	T_TBL(TRACE_DATABASE),
+	T_TBL(TRACE_ATTRS),
+	T_TBL(TRACE_MAXIMUM),
+    {
+	(char *) 0, 0
+    }
+};
+
+static char *
+tracetrace(unsigned tlevel)
+{
+    static char *buf;
+    int n;
+
+    if (buf == 0) {
+	size_t need = 12;
+	for (n = 0; t_tbl[n].name != 0; n++)
+	    need += strlen(t_tbl[n].name) + 2;
+	buf = typeMalloc(char, need);
+	if (!buf)
+	    failed("tracetrace");
+    }
+    sprintf(buf, "0x%02x = {", tlevel);
+    if (tlevel == 0) {
+	sprintf(buf + strlen(buf), "%s, ", t_tbl[0].name);
+    } else {
+	for (n = 1; t_tbl[n].name != 0; n++)
+	    if ((tlevel & t_tbl[n].mask) == t_tbl[n].mask) {
+		strcat(buf, t_tbl[n].name);
+		strcat(buf, ", ");
+	    }
+    }
+    if (buf[strlen(buf) - 2] == ',')
+	buf[strlen(buf) - 2] = '\0';
+    return (strcat(buf, "}"));
+}
+
+/* fake a dynamically reconfigurable menu using the 0th entry to deselect
+ * the others
+ */
+static int
+run_trace_menu(MENU * m)
+{
+    ITEM **items;
+    ITEM *i, **p;
+
+    for (;;) {
+	bool changed = FALSE;
+	switch (menu_driver(m, menu_virtualize(wGetchar(menu_win(m))))) {
+	case E_UNKNOWN_COMMAND:
+	    return FALSE;
+	default:
+	    items = menu_items(m);
+	    i = current_item(m);
+	    if (i == items[0]) {
+		if (item_value(i)) {
+		    for (p = items + 1; *p != 0; p++)
+			if (item_value(*p)) {
+			    set_item_value(*p, FALSE);
+			    changed = TRUE;
+			}
+		}
+	    } else {
+		for (p = items + 1; *p != 0; p++)
+		    if (item_value(*p)) {
+			set_item_value(items[0], FALSE);
+			changed = TRUE;
+			break;
+		    }
+	    }
+	    if (!changed)
+		return TRUE;
+	}
+    }
+}
+
+static void
+trace_set(void)
+/* interactively set the trace level */
+{
+    MENU *m;
+    ITEM *items[SIZEOF(t_tbl)];
+    ITEM **ip = items;
+    int mrows, mcols;
+    unsigned newtrace;
+    int n;
+    WINDOW *menuwin;
+
+    MvAddStr(0, 0, "Interactively set trace level:");
+    MvAddStr(2, 0, "  Press space bar to toggle a selection.");
+    MvAddStr(3, 0, "  Use up and down arrow to move the select bar.");
+    MvAddStr(4, 0, "  Press return to set the trace level.");
+    MvPrintw(6, 0, "(Current trace level is %s)", tracetrace(_nc_tracing));
+
+    refresh();
+
+    for (n = 0; t_tbl[n].name != 0; n++) {
+	if ((*ip = new_item(t_tbl[n].name, "")) != 0) {
+	    ++ip;
+	}
+    }
+    *ip = (ITEM *) 0;
+
+    m = new_menu(items);
+
+    set_menu_format(m, 0, 2);
+    scale_menu(m, &mrows, &mcols);
+
+    menu_opts_off(m, O_ONEVALUE);
+    menuwin = newwin(mrows + 2, mcols + 2, MENU_Y, MENU_X);
+    set_menu_win(m, menuwin);
+    keypad(menuwin, TRUE);
+    box(menuwin, 0, 0);
+
+    set_menu_sub(m, derwin(menuwin, mrows, mcols, 1, 1));
+
+    post_menu(m);
+
+    for (ip = menu_items(m); *ip; ip++) {
+	unsigned mask = t_tbl[item_index(*ip)].mask;
+	if (mask == 0)
+	    set_item_value(*ip, _nc_tracing == 0);
+	else if ((mask & _nc_tracing) == mask)
+	    set_item_value(*ip, TRUE);
+    }
+
+    while (run_trace_menu(m))
+	continue;
+
+    newtrace = 0;
+    for (ip = menu_items(m); *ip; ip++)
+	if (item_value(*ip))
+	    newtrace |= t_tbl[item_index(*ip)].mask;
+    trace(newtrace);
+    Trace(("trace level interactively set to %s", tracetrace(_nc_tracing)));
+
+    MvPrintw(LINES - 2, 0,
+	     "Trace level is %s\n", tracetrace(_nc_tracing));
+    (void) addstr("Press any key to continue...");
+    wGetchar(stdscr);
+
+    unpost_menu(m);
+    delwin(menuwin);
+
+    free_menu(m);
+    for (ip = items; *ip; ip++)
+	free_item(*ip);
+}
+#endif /* TRACE */
+#endif /* USE_LIBMENU */
+
+/****************************************************************************
+ *
+ * Forms test
+ *
+ ****************************************************************************/
+#if USE_LIBFORM
+static FIELD *
+make_label(int frow, int fcol, NCURSES_CONST char *label)
+{
+    FIELD *f = new_field(1, (int) strlen(label), frow, fcol, 0, 0);
+
+    if (f) {
+	set_field_buffer(f, 0, label);
+	set_field_opts(f, (int) ((unsigned) field_opts(f) & ~O_ACTIVE));
+    }
+    return (f);
+}
+
+static FIELD *
+make_field(int frow, int fcol, int rows, int cols, bool secure)
+{
+    FIELD *f = new_field(rows, cols, frow, fcol, 0, secure ? 1 : 0);
+
+    if (f) {
+	set_field_back(f, A_UNDERLINE);
+	set_field_userptr(f, (void *) 0);
+    }
+    return (f);
+}
+
+static void
+display_form(FORM * f)
+{
+    WINDOW *w;
+    int rows, cols;
+
+    scale_form(f, &rows, &cols);
+
+    if ((w = newwin(rows + 2, cols + 4, 0, 0)) != (WINDOW *) 0) {
+	set_form_win(f, w);
+	set_form_sub(f, derwin(w, rows, cols, 1, 2));
+	box(w, 0, 0);
+	keypad(w, TRUE);
+	if (post_form(f) != E_OK)
+	    wrefresh(w);
+    }
+}
+
+static void
+erase_form(FORM * f)
+{
+    WINDOW *w = form_win(f);
+    WINDOW *s = form_sub(f);
+
+    unpost_form(f);
+    werase(w);
+    wrefresh(w);
+    delwin(s);
+    delwin(w);
+}
+
+static int
+edit_secure(FIELD * me, int c)
+{
+    int rows, cols, frow, fcol, nrow, nbuf;
+
+    if (field_info(me, &rows, &cols, &frow, &fcol, &nrow, &nbuf) == E_OK
+	&& nbuf > 0) {
+	char *source = field_buffer(me, 1);
+	size_t have = (source ? strlen(source) : 0) + 1;
+	size_t need = 80 + have;
+	char *temp = malloc(need);
+	size_t len;
+
+	if (temp != 0) {
+	    strncpy(temp, source ? source : "", have + 1);
+	    len = (size_t) (char *) field_userptr(me);
+	    if (c <= KEY_MAX) {
+		if (isgraph(c) && (len + 1) < sizeof(temp)) {
+		    temp[len++] = (char) c;
+		    temp[len] = 0;
+		    set_field_buffer(me, 1, temp);
+		    c = '*';
+		} else {
+		    c = 0;
+		}
+	    } else {
+		switch (c) {
+		case REQ_BEG_FIELD:
+		case REQ_CLR_EOF:
+		case REQ_CLR_EOL:
+		case REQ_DEL_LINE:
+		case REQ_DEL_WORD:
+		case REQ_DOWN_CHAR:
+		case REQ_END_FIELD:
+		case REQ_INS_CHAR:
+		case REQ_INS_LINE:
+		case REQ_LEFT_CHAR:
+		case REQ_NEW_LINE:
+		case REQ_NEXT_WORD:
+		case REQ_PREV_WORD:
+		case REQ_RIGHT_CHAR:
+		case REQ_UP_CHAR:
+		    c = 0;	/* we don't want to do inline editing */
+		    break;
+		case REQ_CLR_FIELD:
+		    if (len) {
+			temp[0] = 0;
+			set_field_buffer(me, 1, temp);
+		    }
+		    break;
+		case REQ_DEL_CHAR:
+		case REQ_DEL_PREV:
+		    if (len) {
+			temp[--len] = 0;
+			set_field_buffer(me, 1, temp);
+		    }
+		    break;
+		}
+	    }
+	    set_field_userptr(me, (void *) len);
+	    free(temp);
+	}
+    }
+    return c;
+}
+
+static int
+form_virtualize(FORM * f, WINDOW *w)
+{
+    /* *INDENT-OFF* */
+    static const struct {
+	int code;
+	int result;
+    } lookup[] = {
+	{ CTRL('A'),	REQ_NEXT_CHOICE },
+	{ CTRL('B'),	REQ_PREV_WORD },
+	{ CTRL('C'),	REQ_CLR_EOL },
+	{ CTRL('D'),	REQ_DOWN_FIELD },
+	{ CTRL('E'),	REQ_END_FIELD },
+	{ CTRL('F'),	REQ_NEXT_PAGE },
+	{ CTRL('G'),	REQ_DEL_WORD },
+	{ CTRL('H'),	REQ_DEL_PREV },
+	{ CTRL('I'),	REQ_INS_CHAR },
+	{ CTRL('K'),	REQ_CLR_EOF },
+	{ CTRL('L'),	REQ_LEFT_FIELD },
+	{ CTRL('M'),	REQ_NEW_LINE },
+	{ CTRL('N'),	REQ_NEXT_FIELD },
+	{ CTRL('O'),	REQ_INS_LINE },
+	{ CTRL('P'),	REQ_PREV_FIELD },
+	{ CTRL('R'),	REQ_RIGHT_FIELD },
+	{ CTRL('S'),	REQ_BEG_FIELD },
+	{ CTRL('U'),	REQ_UP_FIELD },
+	{ CTRL('V'),	REQ_DEL_CHAR },
+	{ CTRL('W'),	REQ_NEXT_WORD },
+	{ CTRL('X'),	REQ_CLR_FIELD },
+	{ CTRL('Y'),	REQ_DEL_LINE },
+	{ CTRL('Z'),	REQ_PREV_CHOICE },
+	{ ESCAPE,	MAX_FORM_COMMAND + 1 },
+	{ KEY_BACKSPACE, REQ_DEL_PREV },
+	{ KEY_DOWN,	REQ_DOWN_CHAR },
+	{ KEY_END,	REQ_LAST_FIELD },
+	{ KEY_HOME,	REQ_FIRST_FIELD },
+	{ KEY_LEFT,	REQ_LEFT_CHAR },
+	{ KEY_LL,	REQ_LAST_FIELD },
+	{ KEY_NEXT,	REQ_NEXT_FIELD },
+	{ KEY_NPAGE,	REQ_NEXT_PAGE },
+	{ KEY_PPAGE,	REQ_PREV_PAGE },
+	{ KEY_PREVIOUS, REQ_PREV_FIELD },
+	{ KEY_RIGHT,	REQ_RIGHT_CHAR },
+	{ KEY_UP,	REQ_UP_CHAR },
+	{ QUIT,		MAX_FORM_COMMAND + 1 }
+    };
+    /* *INDENT-ON* */
+
+    static int mode = REQ_INS_MODE;
+    int c = wGetchar(w);
+    unsigned n;
+    FIELD *me = current_field(f);
+    bool current = TRUE;
+
+    if (c == CTRL(']')) {
+	if (mode == REQ_INS_MODE) {
+	    mode = REQ_OVL_MODE;
+	} else {
+	    mode = REQ_INS_MODE;
+	}
+	c = mode;
+    } else {
+	for (n = 0; n < SIZEOF(lookup); n++) {
+	    if (lookup[n].code == c) {
+		c = lookup[n].result;
+		break;
+	    }
+	}
+    }
+    MvPrintw(0, COLS - 6, "(%s)", mode == REQ_INS_MODE ? "INS" : "OVL");
+
+    /*
+     * Force the field that the user is typing into to be in reverse video,
+     * while the other fields are shown underlined.
+     */
+    switch (c) {
+    case REQ_BEG_FIELD:
+    case REQ_CLR_EOF:
+    case REQ_CLR_EOL:
+    case REQ_CLR_FIELD:
+    case REQ_DEL_CHAR:
+    case REQ_DEL_LINE:
+    case REQ_DEL_PREV:
+    case REQ_DEL_WORD:
+    case REQ_END_FIELD:
+    case REQ_INS_CHAR:
+    case REQ_INS_LINE:
+    case REQ_LEFT_CHAR:
+    case REQ_LEFT_FIELD:
+    case REQ_NEXT_WORD:
+    case REQ_RIGHT_CHAR:
+	current = TRUE;
+	break;
+    default:
+	current = (c < KEY_MAX);
+	break;
+    }
+    if (current) {
+	c = edit_secure(me, c);
+	set_field_back(me, A_REVERSE);
+    } else {
+	c = edit_secure(me, c);
+	set_field_back(me, A_UNDERLINE);
+    }
+    return c;
+}
+
+static int
+my_form_driver(FORM * form, int c)
+{
+    if (c == (MAX_FORM_COMMAND + 1)
+	&& form_driver(form, REQ_VALIDATION) == E_OK)
+	return (TRUE);
+    else {
+	beep();
+	return (FALSE);
+    }
+}
+
+#ifdef NCURSES_VERSION
+#define FIELDCHECK_CB(func) bool func(FIELD * fld, const void * data GCC_UNUSED)
+#define CHAR_CHECK_CB(func) bool func(int ch, const void *data GCC_UNUSED)
+#else
+#define FIELDCHECK_CB(func) int func(FIELD * fld, char * data GCC_UNUSED)
+#define CHAR_CHECK_CB(func) int func(int ch, char *data GCC_UNUSED)
+#endif
+
+/*
+ * Allow a middle initial, optionally with a '.' to end it.
+ */
+static
+FIELDCHECK_CB(mi_field_check)
+{
+    char *s = field_buffer(fld, 0);
+    int state = 0;
+    int n;
+
+    for (n = 0; s[n] != '\0'; ++n) {
+	switch (state) {
+	case 0:
+	    if (s[n] == '.') {
+		if (n != 1)
+		    return FALSE;
+		state = 2;
+	    } else if (isspace(UChar(s[n]))) {
+		state = 2;
+	    }
+	    break;
+	case 2:
+	    if (!isspace(UChar(s[n])))
+		return FALSE;
+	    break;
+	}
+    }
+
+    /* force the form to display a leading capital */
+    if (islower(UChar(s[0]))) {
+	s[0] = (char) toupper(UChar(s[0]));
+	set_field_buffer(fld, 0, s);
+    }
+    return TRUE;
+}
+
+static
+CHAR_CHECK_CB(mi_char_check)
+{
+    return ((isalpha(ch) || ch == '.') ? TRUE : FALSE);
+}
+
+/*
+ * Passwords should be at least 6 characters.
+ */
+static
+FIELDCHECK_CB(pw_field_check)
+{
+    char *s = field_buffer(fld, 0);
+    int n;
+
+    for (n = 0; s[n] != '\0'; ++n) {
+	if (isspace(UChar(s[n]))) {
+	    if (n < 6)
+		return FALSE;
+	}
+    }
+    return TRUE;
+}
+
+static
+CHAR_CHECK_CB(pw_char_check)
+{
+    return (isgraph(ch) ? TRUE : FALSE);
+}
+
+static void
+demo_forms(void)
+{
+    WINDOW *w;
+    FORM *form;
+    FIELD *f[12], *secure;
+    FIELDTYPE *fty_middle = new_fieldtype(mi_field_check, mi_char_check);
+    FIELDTYPE *fty_passwd = new_fieldtype(pw_field_check, pw_char_check);
+    int finished = 0, c;
+    unsigned n = 0;
+
+#ifdef NCURSES_MOUSE_VERSION
+    mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
+#endif
+
+    move(18, 0);
+    addstr("Defined edit/traversal keys:   ^Q/ESC- exit form\n");
+    addstr("^N   -- go to next field       ^P  -- go to previous field\n");
+    addstr("Home -- go to first field      End -- go to last field\n");
+    addstr("^L   -- go to field to left    ^R  -- go to field to right\n");
+    addstr("^U   -- move upward to field   ^D  -- move downward to field\n");
+    addstr("^W   -- go to next word        ^B  -- go to previous word\n");
+    addstr("^S   -- go to start of field   ^E  -- go to end of field\n");
+    addstr("^H   -- delete previous char   ^Y  -- delete line\n");
+    addstr("^G   -- delete current word    ^C  -- clear to end of line\n");
+    addstr("^K   -- clear to end of field  ^X  -- clear field\n");
+    addstr("Arrow keys move within a field as you would expect. ^] toggles overlay mode.");
+
+    MvAddStr(4, 57, "Forms Entry Test");
+
+    refresh();
+
+    /* describe the form */
+    memset(f, 0, sizeof(f));
+    f[n++] = make_label(0, 15, "Sample Form");
+
+    f[n++] = make_label(2, 0, "Last Name");
+    f[n++] = make_field(3, 0, 1, 18, FALSE);
+    set_field_type(f[n - 1], TYPE_ALPHA, 1);
+
+    f[n++] = make_label(2, 20, "First Name");
+    f[n++] = make_field(3, 20, 1, 12, FALSE);
+    set_field_type(f[n - 1], TYPE_ALPHA, 1);
+
+    f[n++] = make_label(2, 34, "Middle Name");
+    f[n++] = make_field(3, 34, 1, 12, FALSE);
+    set_field_type(f[n - 1], fty_middle);
+
+    f[n++] = make_label(5, 0, "Comments");
+    f[n++] = make_field(6, 0, 4, 46, FALSE);
+
+    f[n++] = make_label(5, 20, "Password:");
+    secure =
+	f[n++] = make_field(5, 30, 1, 9, TRUE);
+    set_field_type(f[n - 1], fty_passwd);
+    f[n] = (FIELD *) 0;
+
+    if ((form = new_form(f)) != 0) {
+
+	display_form(form);
+
+	w = form_win(form);
+	raw();
+	nonl();			/* lets us read ^M's */
+	while (!finished) {
+	    switch (form_driver(form, c = form_virtualize(form, w))) {
+	    case E_OK:
+		MvAddStr(5, 57, field_buffer(secure, 1));
+		clrtoeol();
+		refresh();
+		break;
+	    case E_UNKNOWN_COMMAND:
+		finished = my_form_driver(form, c);
+		break;
+	    default:
+		beep();
+		break;
+	    }
+	}
+
+	erase_form(form);
+
+	free_form(form);
+    }
+    for (c = 0; f[c] != 0; c++)
+	free_field(f[c]);
+    free_fieldtype(fty_middle);
+    free_fieldtype(fty_passwd);
+    noraw();
+    nl();
+
+#ifdef NCURSES_MOUSE_VERSION
+    mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
+#endif
+}
+#endif /* USE_LIBFORM */
+
+/****************************************************************************
+ *
+ * Overlap test
+ *
+ ****************************************************************************/
+
+static void
+fillwin(WINDOW *win, char ch)
+{
+    int y, x;
+    int y1, x1;
+
+    getmaxyx(win, y1, x1);
+    for (y = 0; y < y1; y++) {
+	wmove(win, y, 0);
+	for (x = 0; x < x1; x++)
+	    waddch(win, UChar(ch));
+    }
+}
+
+static void
+crosswin(WINDOW *win, char ch)
+{
+    int y, x;
+    int y1, x1;
+
+    getmaxyx(win, y1, x1);
+    for (y = 0; y < y1; y++) {
+	for (x = 0; x < x1; x++)
+	    if (((x > (x1 - 1) / 3) && (x <= (2 * (x1 - 1)) / 3))
+		|| (((y > (y1 - 1) / 3) && (y <= (2 * (y1 - 1)) / 3)))) {
+		wmove(win, y, x);
+		waddch(win, UChar(ch));
+	    }
+    }
+}
+
+#define OVERLAP_FLAVORS 5
+
+static void
+overlap_helpitem(int state, int item, char *message)
+{
+    int row = (item / 2);
+    int col = ((item % 2) ? COLS / 2 : 0);
+
+    move(LINES - 6 + row, col);
+    printw("%c%c = %s", state == row ? '>' : ' ', 'a' + item, message);
+    clrtoeol();
+}
+
+static void
+overlap_test_1_attr(WINDOW *win, int flavor, int col)
+{
+    NCURSES_PAIRS_T cpair = (NCURSES_PAIRS_T) (1 + (flavor * 2) + col);
+
+    switch (flavor) {
+    case 0:
+	(void) wattrset(win, A_NORMAL);
+	break;
+    case 1:
+	(void) wattrset(win, A_BOLD);
+	break;
+    case 2:
+	init_pair(cpair, COLOR_BLUE, COLOR_WHITE);
+	(void) wattrset(win, AttrArg(COLOR_PAIR(cpair), A_NORMAL));
+	break;
+    case 3:
+	init_pair(cpair, COLOR_WHITE, COLOR_BLUE);
+	(void) wattrset(win, AttrArg(COLOR_PAIR(cpair), A_BOLD));
+	break;
+    }
+}
+
+static void
+overlap_test_2_attr(WINDOW *win, int flavor, int col)
+{
+    NCURSES_PAIRS_T cpair = (NCURSES_PAIRS_T) (9 + (flavor * 2) + col);
+
+    switch (flavor) {
+    case 0:
+	/* no effect */
+	break;
+    case 1:
+	/* no effect */
+	break;
+    case 2:
+	init_pair(cpair, COLOR_RED, COLOR_GREEN);
+	wbkgdset(win, colored_chtype(' ', A_BLINK, cpair));
+	break;
+    case 3:
+	wbkgdset(win, ' ' | A_NORMAL);
+	break;
+    }
+}
+
+static int
+overlap_help(int state, int flavors[OVERLAP_FLAVORS])
+{
+    int row;
+    int col;
+    int item;
+    const char *ths, *tht;
+    char msg[80];
+
+    if (state < 0)
+	state += OVERLAP_FLAVORS;
+    state = state % OVERLAP_FLAVORS;
+    assert(state >= 0 && state < OVERLAP_FLAVORS);
+
+    for (item = 0; item < (2 * OVERLAP_FLAVORS); ++item) {
+	row = item / 2;
+	col = item % 2;
+	ths = col ? "B" : "A";
+	tht = col ? "A" : "B";
+
+	switch (row) {
+	case 0:
+	    flavors[row] = 0;
+	    sprintf(msg, "refresh %s, then %s, then doupdate.", ths, tht);
+	    break;
+	case 1:
+	    if (use_colors) {
+		flavors[row] %= 4;
+	    } else {
+		flavors[row] %= 2;
+	    }
+	    overlap_test_1_attr(stdscr, flavors[row], col);
+	    sprintf(msg, "fill window %s with letter %s.", ths, ths);
+	    break;
+	case 2:
+	    if (use_colors) {
+		flavors[row] %= 4;
+	    } else {
+		flavors[row] %= 2;
+	    }
+	    switch (flavors[row]) {
+	    case 0:
+		sprintf(msg, "cross pattern in window %s.", ths);
+		break;
+	    case 1:
+		sprintf(msg, "draw box in window %s.", ths);
+		break;
+	    case 2:
+		sprintf(msg, "set background of window %s.", ths);
+		break;
+	    case 3:
+		sprintf(msg, "reset background of window %s.", ths);
+		break;
+	    }
+	    break;
+	case 3:
+	    flavors[row] = 0;
+	    sprintf(msg, "clear window %s.", ths);
+	    break;
+	case 4:
+	    flavors[row] %= 4;
+	    switch (flavors[row]) {
+	    case 0:
+		sprintf(msg, "overwrite %s onto %s.", ths, tht);
+		break;
+	    case 1:
+		sprintf(msg, "copywin(FALSE) %s onto %s.", ths, tht);
+		break;
+	    case 2:
+		sprintf(msg, "copywin(TRUE) %s onto %s.", ths, tht);
+		break;
+	    case 3:
+		sprintf(msg, "overlay %s onto %s.", ths, tht);
+		break;
+	    }
+	    break;
+	}
+	overlap_helpitem(state, item, msg);
+	(void) wattrset(stdscr, A_NORMAL);
+	wbkgdset(stdscr, ' ' | A_NORMAL);
+    }
+    move(LINES - 1, 0);
+    printw("^Q/ESC = terminate test.  Up/down/space select test variations (%d %d).",
+	   state, flavors[state]);
+
+    return state;
+}
+
+static void
+overlap_test_0(WINDOW *a, WINDOW *b)
+{
+    touchwin(a);
+    touchwin(b);
+    wnoutrefresh(a);
+    wnoutrefresh(b);
+    doupdate();
+}
+
+static void
+overlap_test_1(int flavor, int col, WINDOW *a, char fill)
+{
+    overlap_test_1_attr(a, flavor, col);
+    fillwin(a, fill);
+    (void) wattrset(a, A_NORMAL);
+}
+
+static void
+overlap_test_2(int flavor, int col, WINDOW *a, char fill)
+{
+    overlap_test_2_attr(a, flavor, col);
+    switch (flavor) {
+    case 0:
+	crosswin(a, fill);
+	break;
+    case 1:
+	box(a, 0, 0);
+	break;
+    case 2:
+	/* done in overlap_test_2_attr */
+	break;
+    case 3:
+	/* done in overlap_test_2_attr */
+	break;
+    }
+}
+
+static void
+overlap_test_3(WINDOW *a)
+{
+    wclear(a);
+    wmove(a, 0, 0);
+}
+
+static void
+overlap_test_4(int flavor, WINDOW *a, WINDOW *b)
+{
+    switch (flavor) {
+    case 0:
+	overwrite(a, b);
+	break;
+    case 1:
+	copywin(a, b, 0, 0, 0, 0, getmaxy(b), getmaxx(b), FALSE);
+	break;
+    case 2:
+	copywin(a, b, 0, 0, 0, 0, getmaxy(b), getmaxx(b), TRUE);
+	break;
+    case 3:
+	overlay(a, b);
+	break;
+    }
+}
+
+/* test effects of overlapping windows */
+static void
+overlap_test(void)
+{
+    int ch;
+    int state, flavor[OVERLAP_FLAVORS];
+
+    WINDOW *win1 = newwin(9, 20, 3, 3);
+    WINDOW *win2 = newwin(9, 20, 9, 16);
+
+    curs_set(0);
+    raw();
+    refresh();
+    move(0, 0);
+    printw("This test shows the behavior of wnoutrefresh() with respect to\n");
+    printw("the shared region of two overlapping windows A and B.  The cross\n");
+    printw("pattern in each window does not overlap the other.\n");
+
+    memset(flavor, 0, sizeof(flavor));
+    state = overlap_help(0, flavor);
+
+    while (!isQuit(ch = Getchar()))
+	switch (ch) {
+	case 'a':		/* refresh window A first, then B */
+	    overlap_test_0(win1, win2);
+	    break;
+
+	case 'b':		/* refresh window B first, then A */
+	    overlap_test_0(win2, win1);
+	    break;
+
+	case 'c':		/* fill window A so it's visible */
+	    overlap_test_1(flavor[1], 0, win1, 'A');
+	    break;
+
+	case 'd':		/* fill window B so it's visible */
+	    overlap_test_1(flavor[1], 1, win2, 'B');
+	    break;
+
+	case 'e':		/* cross test pattern in window A */
+	    overlap_test_2(flavor[2], 0, win1, 'A');
+	    break;
+
+	case 'f':		/* cross test pattern in window A */
+	    overlap_test_2(flavor[2], 1, win2, 'B');
+	    break;
+
+	case 'g':		/* clear window A */
+	    overlap_test_3(win1);
+	    break;
+
+	case 'h':		/* clear window B */
+	    overlap_test_3(win2);
+	    break;
+
+	case 'i':		/* overwrite A onto B */
+	    overlap_test_4(flavor[4], win1, win2);
+	    break;
+
+	case 'j':		/* overwrite B onto A */
+	    overlap_test_4(flavor[4], win2, win1);
+	    break;
+
+	case CTRL('n'):
+	case KEY_DOWN:
+	    state = overlap_help(state + 1, flavor);
+	    break;
+
+	case CTRL('p'):
+	case KEY_UP:
+	    state = overlap_help(state - 1, flavor);
+	    break;
+
+	case ' ':
+	    flavor[state] += 1;
+	    state = overlap_help(state, flavor);
+	    break;
+
+	case '?':
+	    state = overlap_help(state, flavor);
+	    break;
+
+	default:
+	    beep();
+	    break;
+	}
+
+    delwin(win2);
+    delwin(win1);
+    erase();
+    curs_set(1);
+    endwin();
+}
+
+/****************************************************************************
+ *
+ * Main sequence
+ *
+ ****************************************************************************/
+
+static bool
+do_single_test(const char c)
+/* perform a single specified test */
+{
+    switch (c) {
+    case 'a':
+	getch_test();
+	break;
+
+#if USE_WIDEC_SUPPORT
+    case 'A':
+	get_wch_test();
+	break;
+#endif
+
+    case 'b':
+	attr_test();
+	break;
+
+#if USE_WIDEC_SUPPORT
+    case 'B':
+	wide_attr_test();
+	break;
+#endif
+
+    case 'c':
+	if (!use_colors)
+	    Cannot("does not support color.");
+	else
+	    color_test();
+	break;
+
+#if USE_WIDEC_SUPPORT
+    case 'C':
+	if (!use_colors)
+	    Cannot("does not support color.");
+	else
+	    wide_color_test();
+	break;
+#endif
+
+    case 'd':
+	if (!use_colors)
+	    Cannot("does not support color.");
+	else if (!can_change_color())
+	    Cannot("has hardwired color values.");
+	else
+	    color_edit();
+	break;
+
+#if USE_SOFTKEYS
+    case 'e':
+	slk_test();
+	break;
+
+#if USE_WIDEC_SUPPORT
+    case 'E':
+	wide_slk_test();
+	break;
+#endif
+#endif
+
+    case 'f':
+	acs_display();
+	break;
+
+#if USE_WIDEC_SUPPORT
+    case 'F':
+	wide_acs_display();
+	break;
+#endif
+
+#if USE_LIBPANEL
+    case 'o':
+	demo_panels(init_panel, fill_panel);
+	break;
+#endif
+
+#if USE_WIDEC_SUPPORT && USE_LIBPANEL
+    case 'O':
+	demo_panels(init_wide_panel, fill_wide_panel);
+	break;
+#endif
+
+    case 'g':
+	acs_and_scroll();
+	break;
+
+    case 'i':
+	flushinp_test(stdscr);
+	break;
+
+    case 'k':
+	test_sgr_attributes();
+	break;
+
+#if USE_LIBMENU
+    case 'm':
+	menu_test();
+	break;
+#endif
+
+    case 'p':
+	demo_pad(FALSE);
+	break;
+
+    case 'P':
+	demo_pad(TRUE);
+	break;
+
+#if USE_LIBFORM
+    case 'r':
+	demo_forms();
+	break;
+#endif
+
+    case 's':
+	overlap_test();
+	break;
+
+#if USE_LIBMENU && defined(TRACE)
+    case 't':
+	trace_set();
+	break;
+#endif
+
+    case '?':
+	break;
+
+    default:
+	return FALSE;
+    }
+
+    return TRUE;
+}
+
+static void
+usage(void)
+{
+    static const char *const tbl[] =
+    {
+	"Usage: ncurses [options]"
+	,""
+	,"Options:"
+#ifdef NCURSES_VERSION
+	,"  -a f,b   set default-colors (assumed white-on-black)"
+	,"  -d       use default-colors if terminal supports them"
+#endif
+#if HAVE_USE_ENV
+	,"  -E       call use_env(FALSE) to ignore $LINES and $COLUMNS"
+#endif
+#if USE_SOFTKEYS
+	,"  -e fmt   specify format for soft-keys test (e)"
+#endif
+#if HAVE_RIPOFFLINE
+	,"  -f       rip-off footer line (can repeat)"
+	,"  -h       rip-off header line (can repeat)"
+#endif
+	,"  -m       do not use colors"
+	,"  -p file  rgb values to use in 'd' rather than ncurses's builtin"
+#if USE_LIBPANEL
+	,"  -s msec  specify nominal time for panel-demo (default: 1, to hold)"
+#endif
+#if defined(NCURSES_VERSION_PATCH) && (NCURSES_VERSION_PATCH >= 20120714) && !defined(__MINGW32__)
+	,"  -T       call use_tioctl(TRUE) to allow SIGWINCH to override environment"
+#endif
+#ifdef TRACE
+	,"  -t mask  specify default trace-level (may toggle with ^T)"
+#endif
+    };
+    size_t n;
+    for (n = 0; n < SIZEOF(tbl); n++)
+	fprintf(stderr, "%s\n", tbl[n]);
+    ExitProgram(EXIT_FAILURE);
+}
+
+static void
+set_terminal_modes(void)
+{
+    noraw();
+    cbreak();
+    noecho();
+    scrollok(stdscr, TRUE);
+    idlok(stdscr, TRUE);
+    keypad(stdscr, TRUE);
+}
+
+#ifdef SIGUSR1
+static void
+announce_sig(int sig)
+{
+    (void) fprintf(stderr, "Handled signal %d\r\n", sig);
+}
+#endif
+
+#if HAVE_RIPOFFLINE
+static int
+rip_footer(WINDOW *win, int cols)
+{
+    wbkgd(win, A_REVERSE);
+    werase(win);
+    wmove(win, 0, 0);
+    wprintw(win, "footer: window %p, %d columns", (void *) win, cols);
+    wnoutrefresh(win);
+    return OK;
+}
+
+static int
+rip_header(WINDOW *win, int cols)
+{
+    wbkgd(win, A_REVERSE);
+    werase(win);
+    wmove(win, 0, 0);
+    wprintw(win, "header: window %p, %d columns", (void *) win, cols);
+    wnoutrefresh(win);
+    return OK;
+}
+#endif /* HAVE_RIPOFFLINE */
+
+static void
+main_menu(bool top)
+{
+    char command;
+
+    do {
+	(void) puts("This is the ncurses main menu");
+	(void) puts("a = keyboard and mouse input test");
+#if USE_WIDEC_SUPPORT
+	(void) puts("A = wide-character keyboard and mouse input test");
+#endif
+	(void) puts("b = character attribute test");
+#if USE_WIDEC_SUPPORT
+	(void) puts("B = wide-character attribute test");
+#endif
+	(void) puts("c = color test pattern");
+#if USE_WIDEC_SUPPORT
+	(void) puts("C = color test pattern using wide-character calls");
+#endif
+	if (top)
+	    (void) puts("d = edit RGB color values");
+#if USE_SOFTKEYS
+	(void) puts("e = exercise soft keys");
+#if USE_WIDEC_SUPPORT
+	(void) puts("E = exercise soft keys using wide-characters");
+#endif
+#endif
+	(void) puts("f = display ACS characters");
+#if USE_WIDEC_SUPPORT
+	(void) puts("F = display Wide-ACS characters");
+#endif
+	(void) puts("g = display windows and scrolling");
+	(void) puts("i = test of flushinp()");
+	(void) puts("k = display character attributes");
+#if USE_LIBMENU
+	(void) puts("m = menu code test");
+#endif
+#if USE_LIBPANEL
+	(void) puts("o = exercise panels library");
+#if USE_WIDEC_SUPPORT
+	(void) puts("O = exercise panels with wide-characters");
+#endif
+#endif
+	(void) puts("p = exercise pad features");
+	(void) puts("P = exercise pad features, using color");
+	(void) puts("q = quit");
+#if USE_LIBFORM
+	(void) puts("r = exercise forms code");
+#endif
+	(void) puts("s = overlapping-refresh test");
+#if USE_LIBMENU && defined(TRACE)
+	(void) puts("t = set trace level");
+#endif
+	(void) puts("? = repeat this command summary");
+
+	(void) fputs("> ", stdout);
+	(void) fflush(stdout);	/* necessary under SVr4 curses */
+
+	/*
+	 * This used to be an 'fgets()' call (until 1996/10).  However with
+	 * some runtime libraries, mixing stream I/O and 'read()' causes the
+	 * input stream to be flushed when switching between the two.
+	 */
+	command = 0;
+	for (;;) {
+	    char ch = '\0';
+	    if (read(fileno(stdin), &ch, (size_t) 1) <= 0) {
+		if (command == 0)
+		    command = 'q';
+		break;
+	    } else if (command == 0 && !isspace(UChar(ch))) {
+		command = ch;
+	    } else if (ch == '\n' || ch == '\r') {
+		if ((command == 'd') && !top) {
+		    (void) fputs("Do not nest test-d\n", stdout);
+		    command = 0;
+		}
+		if (command != 0)
+		    break;
+		(void) fputs("> ", stdout);
+		(void) fflush(stdout);
+	    }
+	}
+
+	if (do_single_test(command)) {
+	    /*
+	     * This may be overkill; it's intended to reset everything back
+	     * to the initial terminal modes so that tests don't get in
+	     * each other's way.
+	     */
+	    flushinp();
+	    set_terminal_modes();
+	    reset_prog_mode();
+	    clear();
+	    refresh();
+	    endwin();
+	    if (command == '?') {
+		(void) puts("This is the ncurses capability tester.");
+		(void)
+		    puts("You may select a test from the main menu by typing the");
+		(void)
+		    puts("key letter of the choice (the letter to left of the =)");
+		(void)
+		    puts("at the > prompt.  Type `q' to exit.");
+	    }
+	    continue;
+	}
+    } while
+	(command != 'q');
+}
+
+/*+-------------------------------------------------------------------------
+	main(argc,argv)
+--------------------------------------------------------------------------*/
+
+#define okCOLOR(n) ((n) >= 0 && (n) < max_colors)
+#define okRGB(n)   ((n) >= 0 && (n) <= 1000)
+
+int
+main(int argc, char *argv[])
+{
+    int c;
+    int my_e_param = 1;
+#ifdef NCURSES_VERSION
+    int default_fg = COLOR_WHITE;
+    int default_bg = COLOR_BLACK;
+    bool assumed_colors = FALSE;
+    bool default_colors = FALSE;
+#endif
+    char *palette_file = 0;
+    bool monochrome = FALSE;
+
+    setlocale(LC_ALL, "");
+
+    while ((c = getopt(argc, argv, "a:dEe:fhmp:s:Tt:")) != -1) {
+	switch (c) {
+#ifdef NCURSES_VERSION
+	case 'a':
+	    assumed_colors = TRUE;
+	    switch (sscanf(optarg, "%d,%d", &default_fg, &default_bg)) {
+	    case 0:
+		default_fg = COLOR_WHITE;
+		/* FALLTHRU */
+	    case 1:
+		default_bg = COLOR_BLACK;
+		break;
+	    }
+	    break;
+	case 'd':
+	    default_colors = TRUE;
+	    break;
+#endif
+#if HAVE_USE_ENV
+	case 'E':
+	    use_env(FALSE);
+	    break;
+#endif
+	case 'e':
+	    my_e_param = atoi(optarg);
+#ifdef NCURSES_VERSION
+	    if (my_e_param > 3)	/* allow extended layouts */
+		usage();
+#else
+	    if (my_e_param > 1)
+		usage();
+#endif
+	    break;
+#if HAVE_RIPOFFLINE
+	case 'f':
+	    ripoffline(-1, rip_footer);
+	    break;
+	case 'h':
+	    ripoffline(1, rip_header);
+	    break;
+#endif /* HAVE_RIPOFFLINE */
+	case 'm':
+	    monochrome = TRUE;
+	    break;
+	case 'p':
+	    palette_file = optarg;
+	    break;
+#if USE_LIBPANEL
+	case 's':
+	    nap_msec = (int) atol(optarg);
+	    break;
+#endif
+#if defined(NCURSES_VERSION_PATCH) && (NCURSES_VERSION_PATCH >= 20120714) && !defined(__MINGW32__)
+	case 'T':
+	    use_tioctl(TRUE);
+	    break;
+#endif
+#ifdef TRACE
+	case 't':
+	    save_trace = (unsigned) strtol(optarg, 0, 0);
+	    break;
+#endif
+	default:
+	    usage();
+	}
+    }
+
+    /*
+     * If there's no menus (unlikely for ncurses!), then we'll have to set
+     * tracing on initially, just in case the user wants to test something that
+     * doesn't involve wGetchar.
+     */
+#ifdef TRACE
+    /* enable debugging */
+#if !USE_LIBMENU
+    trace(save_trace);
+#else
+    if (!isatty(fileno(stdin)))
+	trace(save_trace);
+#endif /* USE_LIBMENU */
+#endif /* TRACE */
+
+#if USE_SOFTKEYS
+    /* tell it we're going to play with soft keys */
+    slk_init(my_e_param);
+#endif
+
+#ifdef SIGUSR1
+    /* set up null signal catcher so we can see what interrupts to getch do */
+    signal(SIGUSR1, announce_sig);
+#endif
+
+    /* we must initialize the curses data structure only once */
+    initscr();
+    bkgdset(BLANK);
+
+    /* tests, in general, will want these modes */
+    use_colors = (bool) (monochrome ? FALSE : has_colors());
+
+    if (use_colors) {
+	start_color();
+#ifdef NCURSES_VERSION_PATCH
+	max_colors = COLORS;	/* was > 16 ? 16 : COLORS */
+#if HAVE_USE_DEFAULT_COLORS
+	if (default_colors) {
+	    use_default_colors();
+	    min_colors = -1;
+	}
+#if HAVE_ASSUME_DEFAULT_COLORS
+	if (assumed_colors)
+	    assume_default_colors(default_fg, default_bg);
+#endif
+#endif
+#else /* normal SVr4 curses */
+	max_colors = COLORS;	/* was > 8 ? 8 : COLORS */
+#endif
+	max_pairs = COLOR_PAIRS;	/* was > 256 ? 256 : COLOR_PAIRS */
+
+	if (can_change_color()) {
+	    NCURSES_PAIRS_T cp;
+	    all_colors = typeMalloc(RGB_DATA, (unsigned) max_colors);
+	    if (!all_colors)
+		failed("all_colors");
+	    for (cp = 0; cp < max_colors; ++cp) {
+		color_content(cp,
+			      &all_colors[cp].red,
+			      &all_colors[cp].green,
+			      &all_colors[cp].blue);
+	    }
+	    if (palette_file != 0) {
+		FILE *fp = fopen(palette_file, "r");
+		if (fp != 0) {
+		    char buffer[BUFSIZ];
+		    int red, green, blue;
+		    int scale = 1000;
+		    while (fgets(buffer, sizeof(buffer), fp) != 0) {
+			if (sscanf(buffer, "scale:%d", &c) == 1) {
+			    scale = c;
+			} else if (sscanf(buffer, "%d:%d %d %d",
+					  &c,
+					  &red,
+					  &green,
+					  &blue) == 4
+				   && okCOLOR(c)
+				   && okRGB(red)
+				   && okRGB(green)
+				   && okRGB(blue)) {
+#define Scaled(n) (NCURSES_COLOR_T) (((n) * 1000) / scale)
+			    all_colors[c].red = Scaled(red);
+			    all_colors[c].green = Scaled(green);
+			    all_colors[c].blue = Scaled(blue);
+			}
+		    }
+		    fclose(fp);
+		}
+	    }
+	}
+    }
+    set_terminal_modes();
+    def_prog_mode();
+
+    /*
+     * Return to terminal mode, so we're guaranteed of being able to
+     * select terminal commands even if the capabilities are wrong.
+     */
+    endwin();
+
+#if HAVE_CURSES_VERSION
+    (void) printf("Welcome to %s.  Press ? for help.\n", curses_version());
+#elif defined(NCURSES_VERSION_MAJOR) && defined(NCURSES_VERSION_MINOR) && defined(NCURSES_VERSION_PATCH)
+    (void) printf("Welcome to ncurses %d.%d.%d.  Press ? for help.\n",
+		  NCURSES_VERSION_MAJOR,
+		  NCURSES_VERSION_MINOR,
+		  NCURSES_VERSION_PATCH);
+#else
+    (void) puts("Welcome to ncurses.  Press ? for help.");
+#endif
+
+    main_menu(TRUE);
+
+    ExitProgram(EXIT_SUCCESS);
+}
+
+/* ncurses.c ends here */