diff --git a/ncurses/base/lib_bkgd.c b/ncurses/base/lib_bkgd.c
new file mode 100644
index 0000000..c99e0c5
--- /dev/null
+++ b/ncurses/base/lib_bkgd.c
@@ -0,0 +1,156 @@
+/****************************************************************************
+ * Copyright (c) 1998-2006,2008 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.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
+ *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Juergen Pfeifer                         1997                    *
+ *     and: Sven Verdoolaege                        2000                    *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_bkgd.c,v 1.36 2008/03/23 00:09:14 tom Exp $")
+
+/*
+ * Set the window's background information.
+ */
+#if USE_WIDEC_SUPPORT
+NCURSES_EXPORT(void)
+#else
+static NCURSES_INLINE void
+#endif
+wbkgrndset(WINDOW *win, const ARG_CH_T ch)
+{
+    T((T_CALLED("wbkgdset(%p,%s)"), win, _tracech_t(ch)));
+
+    if (win) {
+	attr_t off = AttrOf(win->_nc_bkgd);
+	attr_t on = AttrOf(CHDEREF(ch));
+
+	toggle_attr_off(WINDOW_ATTRS(win), off);
+	toggle_attr_on(WINDOW_ATTRS(win), on);
+
+#if NCURSES_EXT_COLORS
+	{
+	    int pair;
+
+	    if ((pair = GetPair(win->_nc_bkgd)) != 0)
+		SET_WINDOW_PAIR(win, 0);
+	    if ((pair = GetPair(CHDEREF(ch))) != 0)
+		SET_WINDOW_PAIR(win, pair);
+	}
+#endif
+
+	if (CharOf(CHDEREF(ch)) == L('\0')) {
+	    SetChar(win->_nc_bkgd, BLANK_TEXT, AttrOf(CHDEREF(ch)));
+	    if_EXT_COLORS(SetPair(win->_nc_bkgd, GetPair(CHDEREF(ch))));
+	} else {
+	    win->_nc_bkgd = CHDEREF(ch);
+	}
+#if USE_WIDEC_SUPPORT
+	/*
+	 * If we're compiled for wide-character support, _bkgrnd is the
+	 * preferred location for the background information since it stores
+	 * more than _bkgd.  Update _bkgd each time we modify _bkgrnd, so the
+	 * macro getbkgd() will work.
+	 */
+	{
+	    cchar_t wch;
+	    int tmp;
+
+	    wgetbkgrnd(win, &wch);
+	    tmp = _nc_to_char((wint_t) CharOf(wch));
+
+	    win->_bkgd = (((tmp == EOF) ? ' ' : (chtype) tmp)
+			  | (AttrOf(wch) & ALL_BUT_COLOR)
+			  | COLOR_PAIR(GET_WINDOW_PAIR(win)));
+	}
+#endif
+    }
+    returnVoid;
+}
+
+NCURSES_EXPORT(void)
+wbkgdset(WINDOW *win, chtype ch)
+{
+    NCURSES_CH_T wch;
+    SetChar2(wch, ch);
+    wbkgrndset(win, CHREF(wch));
+}
+
+/*
+ * Set the window's background information and apply it to each cell.
+ */
+#if USE_WIDEC_SUPPORT
+NCURSES_EXPORT(int)
+#else
+static NCURSES_INLINE int
+#undef wbkgrnd
+#endif
+wbkgrnd(WINDOW *win, const ARG_CH_T ch)
+{
+    int code = ERR;
+    int x, y;
+    NCURSES_CH_T new_bkgd = CHDEREF(ch);
+
+    T((T_CALLED("wbkgd(%p,%s)"), win, _tracech_t(ch)));
+
+    if (win) {
+	NCURSES_CH_T old_bkgrnd;
+	wgetbkgrnd(win, &old_bkgrnd);
+
+	wbkgrndset(win, CHREF(new_bkgd));
+	wattrset(win, AttrOf(win->_nc_bkgd));
+
+	for (y = 0; y <= win->_maxy; y++) {
+	    for (x = 0; x <= win->_maxx; x++) {
+		if (CharEq(win->_line[y].text[x], old_bkgrnd)) {
+		    win->_line[y].text[x] = win->_nc_bkgd;
+		} else {
+		    NCURSES_CH_T wch = win->_line[y].text[x];
+		    RemAttr(wch, (~(A_ALTCHARSET | A_CHARTEXT)));
+		    win->_line[y].text[x] = _nc_render(win, wch);
+		}
+	    }
+	}
+	touchwin(win);
+	_nc_synchook(win);
+	code = OK;
+    }
+    returnCode(code);
+}
+
+NCURSES_EXPORT(int)
+wbkgd(WINDOW *win, chtype ch)
+{
+    NCURSES_CH_T wch;
+    SetChar2(wch, ch);
+    return wbkgrnd(win, CHREF(wch));
+}