diff --git a/ncurses/base/lib_slkclear.c b/ncurses/base/lib_slkclear.c
new file mode 100644
index 0000000..946ceea
--- /dev/null
+++ b/ncurses/base/lib_slkclear.c
@@ -0,0 +1,66 @@
+/****************************************************************************
+ * Copyright (c) 1998-2006,2007 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                         1996-1999               *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ ****************************************************************************/
+
+/*
+ *	lib_slkclear.c
+ *	Soft key routines.
+ *      Remove soft labels from the screen.
+ */
+#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_slkclear.c,v 1.10 2007/12/29 17:51:47 tom Exp $")
+
+NCURSES_EXPORT(int)
+slk_clear(void)
+{
+    int rc = ERR;
+
+    T((T_CALLED("slk_clear()")));
+
+    if (SP != NULL && SP->_slk != NULL) {
+	SP->_slk->hidden = TRUE;
+	/* For simulated SLK's it looks much more natural to
+	   inherit those attributes from the standard screen */
+	SP->_slk->win->_nc_bkgd = stdscr->_nc_bkgd;
+	WINDOW_ATTRS(SP->_slk->win) = WINDOW_ATTRS(stdscr);
+	if (SP->_slk->win == stdscr) {
+	    rc = OK;
+	} else {
+	    werase(SP->_slk->win);
+	    rc = wrefresh(SP->_slk->win);
+	}
+    }
+    returnCode(rc);
+}