/* -*-C-*-
-$Id: os2sock.c,v 1.9 1999/01/02 06:11:34 cph Exp $
+$Id: os2sock.c,v 1.10 1999/04/28 03:27:55 cph Exp $
Copyright (c) 1990-1999 Massachusetts Institute of Technology
/* This conditional encompasses the entire file. */
#ifndef DISABLE_SOCKET_SUPPORT
+/* This definition is necessary for compilation with newer versions of
+ the Developer's Toolkit for OS/2. The newer version default to
+ using TCP/IP 4.1, but this code was designed for TCP/IP 4.0. */
+#define TCPV40HDRS
+
#include "os2.h"
#include "uxsock.h"