$NetBSD: patch-ac,v 1.3 2005/10/07 16:38:41 joerg Exp $

--- src/lib/lib.h.orig	1999-11-17 20:08:07.000000000 +0000
+++ src/lib/lib.h
@@ -2,6 +2,7 @@
 /* Lib functions for divers programs. */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include "config.h"
 
@@ -16,7 +17,7 @@
 
 #if HAVE_MALLOC_H
 #   include <malloc.h>
-#elif defined STDC_HEADERS
+#elif !defined STDC_HEADERS
     extern void free PARAMS ((char *));
     extern char *malloc PARAMS ((int));
     extern char *realloc PARAMS ((char*, int));