$OpenBSD: patch-boost_asio_detail_socket_ops_hpp,v 1.1 2010/03/30 11:01:10 robert Exp $
--- boost/asio/detail/socket_ops.hpp.orig	Tue May 12 18:06:50 2009
+++ boost/asio/detail/socket_ops.hpp	Tue May 12 18:07:35 2009
@@ -24,6 +24,8 @@
 #include <cstdlib>
 #include <cstring>
 #include <cerrno>
+#include <netdb.h>
+#include <unistd.h>
 #include <boost/detail/workaround.hpp>
 #include <new>
 #include <boost/asio/detail/pop_options.hpp>
