$OpenBSD: patch-ddd_comm-manag_C,v 1.4 2003/04/10 16:51:21 sturm Exp $
--- ddd/comm-manag.C.orig	Tue Mar 27 02:40:05 2001
+++ ddd/comm-manag.C	Fri Mar 28 10:35:57 2003
@@ -86,6 +86,7 @@ char comm_manager_rcsid[] =
 
 #include <ctype.h>
 #include <fstream.h>
+#include <unistd.h>
 
 
 //-----------------------------------------------------------------------------
