$OpenBSD: patch-options_h,v 1.1 2009/11/26 22:55:27 fkr Exp $
--- options.h.orig	Thu Oct  1 18:02:18 2009
+++ options.h	Thu Oct 29 18:44:33 2009
@@ -285,6 +285,9 @@ struct options
   int rcvbuf;
   int sndbuf;
 
+  /* routing domain */
+  int rdomain;
+
   /* socket flags */
   unsigned int sockflags;
 
