$NetBSD$

--- config.h.orig	2002-09-17 22:41:36.000000000 +0000
+++ config.h
@@ -18,6 +18,18 @@
 #include <libutil.h>
 #endif
 
+#ifdef NEED_UTIL_H
+#include <util.h>
+#endif
+
+#ifdef NEED_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef NEED_UNISTD_H
+#include <unistd.h>
+#endif
+
 #ifdef NEED_STRINGS_H
 #include <strings.h>
 #endif
