$OpenBSD: patch-drivers_netjack_net_driver_c,v 1.1 2009/01/11 10:51:46 jakemsr Exp $
--- drivers/netjack/net_driver.c.orig	Sat Dec  6 02:43:36 2008
+++ drivers/netjack/net_driver.c	Fri Dec 19 05:27:28 2008
@@ -493,7 +493,7 @@ net_driver_write (net_driver_t* driver, jack_nframes_t
     {
 	int r;
 
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(__OpenBSD__)
 	static const int flag = 0;
 #else
 	static const int flag = MSG_CONFIRM;