$OpenBSD: patch-xmalloc_c,v 1.1 2011/06/26 09:48:50 sthen Exp $
--- xmalloc.c.orig	Fri Apr 26 00:37:58 2002
+++ xmalloc.c	Sat Jun 25 23:47:42 2011
@@ -4,11 +4,9 @@
  */
 
 #include <curses.h>
+#include <stdlib.h>
 #include "sc.h"
 
-extern char	*malloc();
-extern char	*realloc();
-extern void	free();
 void		fatal();
 
 #ifdef SYSV3