diff --git a/ncurses/base/lib_ungetch.c b/ncurses/base/lib_ungetch.c
new file mode 100644
index 0000000..8742f86
--- /dev/null
+++ b/ncurses/base/lib_ungetch.c
@@ -0,0 +1,90 @@
+/****************************************************************************
+ * Copyright (c) 1998-2007,2008 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: Thomas E. Dickey                        1996-on                 *
+ ****************************************************************************/
+
+/*
+**	lib_ungetch.c
+**
+**	The routine ungetch().
+**
+*/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_ungetch.c,v 1.11 2008/05/31 16:44:54 tom Exp $")
+
+#include <fifo_defs.h>
+
+#ifdef TRACE
+NCURSES_EXPORT(void)
+_nc_fifo_dump(SCREEN *sp)
+{
+    int i;
+    T(("head = %d, tail = %d, peek = %d", head, tail, peek));
+    for (i = 0; i < 10; i++)
+	T(("char %d = %s", i, _nc_tracechar(sp, sp->_fifo[i])));
+}
+#endif /* TRACE */
+
+NCURSES_EXPORT(int)
+_nc_ungetch(SCREEN *sp, int ch)
+{
+    int rc = ERR;
+
+    if (tail != -1) {
+	if (head == -1) {
+	    head = 0;
+	    t_inc();
+	    peek = tail;	/* no raw keys */
+	} else
+	    h_dec();
+
+	sp->_fifo[head] = ch;
+	T(("ungetch %s ok", _nc_tracechar(sp, ch)));
+#ifdef TRACE
+	if (USE_TRACEF(TRACE_IEVENT)) {
+	    _nc_fifo_dump(sp);
+	    _nc_unlock_global(tracef);
+	}
+#endif
+	rc = OK;
+    }
+    return rc;
+}
+
+NCURSES_EXPORT(int)
+ungetch(int ch)
+{
+    T((T_CALLED("ungetch(%s)"), _nc_tracechar(SP, ch)));
+    returnCode(_nc_ungetch(SP, ch));
+}