$OpenBSD: patch-ddd_show_C,v 1.4 2003/10/26 17:30:40 sturm Exp $
--- ddd/show.C.orig	2003-05-25 01:27:12.000000000 +1000
+++ ddd/show.C	2003-10-10 12:31:23.000000000 +1000
@@ -60,6 +60,7 @@ char show_rcsid[] = 
 #include <fstream>
 #include <string.h>
 #include <errno.h>
+#include <unistd.h>
 
 #include "Xpm.h"
 #if HAVE_ATHENA