$NetBSD: patch-ad,v 1.4 2012/04/16 03:50:38 dholland Exp $

- use standard headers
- don't declare own errno

--- util.c.orig	2012-04-16 03:53:49.000000000 +0000
+++ util.c
@@ -1,4 +1,7 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
 #ifdef SDBM
 #include "sdbm.h"
 #else
@@ -10,15 +13,13 @@ oops(s1, s2)
 register char *s1;
 register char *s2;
 {
-	extern int errno, sys_nerr;
-	extern char *sys_errlist[];
 	extern char *progname;
 
 	if (progname)
 		fprintf(stderr, "%s: ", progname);
 	fprintf(stderr, s1, s2);
-	if (errno > 0 && errno < sys_nerr)
-		fprintf(stderr, " (%s)", sys_errlist[errno]);
+	if (errno > 0)
+		fprintf(stderr, " (%s)", strerror(errno));
 	fprintf(stderr, "\n");
 	exit(1);
 }