$OpenBSD: patch-ddd_show_C,v 1.3 2003/04/10 16:51:21 sturm Exp $
--- ddd/show.C.orig	Fri Apr 27 00:17:19 2001
+++ ddd/show.C	Fri Mar 28 10:35:58 2003
@@ -59,6 +59,7 @@ char show_rcsid[] = 
 #include <fstream.h>
 #include <string.h>
 #include <errno.h>
+#include <unistd.h>
 
 #include "Xpm.h"
 #include "HelpCB.h"
