--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/druntime/import/core/sys/posix/netinet/tcp.d	Tue Jun 02 17:43:06 2009 +0100
@@ -0,0 +1,38 @@
+/**
+ * D header file for POSIX.
+ *
+ * Copyright: Copyright Sean Kelly 2005 - 2009.
+ * License:   <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>.
+ * Authors:   Sean Kelly
+ * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
+ *
+ *          Copyright Sean Kelly 2005 - 2009.
+ * Distributed under the Boost Software License, Version 1.0.
+ *    (See accompanying file LICENSE_1_0.txt or copy at
+ *          http://www.boost.org/LICENSE_1_0.txt)
+ */
+module core.sys.posix.netinet.tcp;
+
+private import core.sys.posix.config;
+
+extern (C):
+
+//
+// Required
+//
+/*
+TCP_NODELAY
+*/
+
+version( linux )
+{
+    enum TCP_NODELAY = 1;
+}
+else version( OSX )
+{
+    enum TCP_NODELAY = 1;
+}
+else version( freebsd )
+{
+    enum TCP_NODELAY = 1;
+}