$NetBSD: patch-aa,v 1.7 2009/04/28 13:01:39 hasso Exp $

--- vobcopy.c.orig	2008-02-19 07:27:04 +0200
+++ vobcopy.c	2008-09-22 03:12:50 +0300
@@ -53,7 +53,6 @@
 
 #include "vobcopy.h"
 
-extern int errno;
 char              name[300];
 bool              overwrite_flag = FALSE;
 
@@ -2177,7 +2176,7 @@ char *safestrncpy(char *dest, const char
   return strncpy(dest, src, n-1);
 }
 
-#if defined(__APPLE__) && defined(__GNUC__)
+#if (defined(__APPLE__) && defined(__GNUC__)) || defined(__DragonFly__)
 int fdatasync( int value )
 {
   return 0;
