--- emulate/net-pcap.cc.orig	2005-07-22 11:25:46.000000000 -0700
+++ emulate/net-pcap.cc	2005-07-22 11:26:53.000000000 -0700
@@ -63,6 +63,10 @@
 #include <pcap.h>
 #endif
 
+#ifndef BIOCIMMEDIATE
+#define BIOCIMMEDIATE    _IOW('B',112, u_int)
+#endif
+
 #include "config.h"
 #include "scheduler.h"
 #include "net.h"
