CSOCKET+MFC写的网络五子棋程序，可以与朋友网上对战（要求公网ip）。对五子棋或学习网络编程有兴趣的同学有很*价值-CSOCKET+ MFC write network backgammon program, online play with friends (which requires public network ip). Learning of backgammon or students interested in network programming is very v