diff --git a/ncurses/base/lib_slkinit.c b/ncurses/base/lib_slkinit.c
index c440109..9cbdfea 100644
--- a/ncurses/base/lib_slkinit.c
+++ b/ncurses/base/lib_slkinit.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2008,2009 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            *
@@ -30,6 +30,7 @@
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  *     and: Thomas E. Dickey                        1996-on                 *
+ *     and: Juergen Pfeifer                         2009                    *
  ****************************************************************************/
 
 /*
@@ -39,17 +40,41 @@
  */
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_slkinit.c,v 1.7 2008/01/12 20:23:39 tom Exp $")
+MODULE_ID("$Id: lib_slkinit.c,v 1.13 2009/10/31 00:10:46 tom Exp $")
+
+#ifdef USE_SP_RIPOFF
+#define SoftkeyFormat SP_PARM->slk_format
+#else
+#define SoftkeyFormat _nc_globals.slk_format
+#endif
 
 NCURSES_EXPORT(int)
-slk_init(int format)
+NCURSES_SP_NAME(slk_init) (NCURSES_SP_DCLx int format)
 {
     int code = ERR;
 
-    T((T_CALLED("slk_init(%d)"), format));
-    if (format >= 0 && format <= 3 && !_nc_globals.slk_format) {
-	_nc_globals.slk_format = 1 + format;
-	code = _nc_ripoffline(-SLK_LINES(_nc_globals.slk_format), _nc_slk_initialize);
+    START_TRACE();
+    T((T_CALLED("slk_init(%p,%d)"), (void *) SP_PARM, format));
+
+    if (format >= 0
+	&& format <= 3
+#ifdef USE_SP_RIPOFF
+	&& SP_PARM
+	&& SP_PARM->_prescreen
+#endif
+	&& !SoftkeyFormat) {
+	SoftkeyFormat = 1 + format;
+	code = NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_ARGx
+						-SLK_LINES(SoftkeyFormat),
+						_nc_slk_initialize);
     }
     returnCode(code);
 }
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+slk_init(int format)
+{
+    return NCURSES_SP_NAME(slk_init) (CURRENT_SCREEN_PRE, format);
+}
+#endif