$OpenBSD: patch-drivers_netjack_net_driver_c,v 1.2 2010/06/07 01:44:38 jakemsr Exp $
--- drivers/netjack/net_driver.c.orig	Sat Dec  6 11:43:36 2008
+++ drivers/netjack/net_driver.c	Wed May 19 21:19:00 2010
@@ -334,14 +334,17 @@ net_driver_null_cycle (net_driver_t* driver, jack_nfra
     // TODO: talk to paul about this.
     //       do i wait here ?
     //       just sending out a packet marked with junk ?
+    jacknet_packet_header *tx_pkthdr;
+    jacknet_packet_header *rx_pkthdr;
+    int payload_size;
 
     //int rx_size = get_sample_size(driver->bitdepth) * driver->capture_channels * driver->net_period_down + sizeof(jacknet_packet_header);
     int tx_size = get_sample_size(driver->bitdepth) * driver->playback_channels * driver->net_period_up + sizeof(jacknet_packet_header);
     unsigned int *packet_buf, *packet_bufX;
 
     packet_buf = alloca( tx_size);
-    jacknet_packet_header *tx_pkthdr = (jacknet_packet_header *)packet_buf;
-    jacknet_packet_header *rx_pkthdr = (jacknet_packet_header *)driver->rx_buf;
+    tx_pkthdr = (jacknet_packet_header *)packet_buf;
+    rx_pkthdr = (jacknet_packet_header *)driver->rx_buf;
 
     //framecnt = rx_pkthdr->framecnt;
 
@@ -355,7 +358,7 @@ net_driver_null_cycle (net_driver_t* driver, jack_nfra
     tx_pkthdr->framecnt = driver->expected_framecnt;
 
     // memset 0 the payload.
-    int payload_size = get_sample_size(driver->bitdepth) * driver->playback_channels * driver->net_period_up;
+    payload_size = get_sample_size(driver->bitdepth) * driver->playback_channels * driver->net_period_up;
     memset(packet_bufX, 0, payload_size);
 
     packet_header_hton(tx_pkthdr);
@@ -387,6 +390,7 @@ net_driver_read (net_driver_t* driver, jack_nframes_t 
 {
     jack_position_t local_trans_pos;
     jack_transport_state_t local_trans_state;
+    jacknet_packet_header *pkthdr;
 
     unsigned int *packet_buf, *packet_bufX;
 
@@ -396,7 +400,7 @@ net_driver_read (net_driver_t* driver, jack_nframes_t 
     }
     packet_buf = driver->rx_buf;
 
-    jacknet_packet_header *pkthdr = (jacknet_packet_header *)packet_buf;
+    pkthdr = (jacknet_packet_header *)packet_buf;
 
     packet_bufX = packet_buf + sizeof(jacknet_packet_header) / sizeof(jack_default_audio_sample_t);
 
@@ -493,7 +497,7 @@ 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;