$OpenBSD: patch-utils_c,v 1.1 2016/09/10 13:03:41 ajacoutot Exp $
--- utils.c.orig	Sat Sep 10 11:21:10 2016
+++ utils.c	Sat Sep 10 11:21:28 2016
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <string.h> /* strlen */
 
 #include "constant.h"
   
