111

 http://topic.csdn.net/u/20090310/14/b7116eb3-43e3-4de0-8111-307b7aacc96c.html

http://topic.csdn.net/t/20050418/16/3946560.html

http://blog.csdn.net/ast_224/article/details/2957294

http://bbs.chinaunix.net/thread-719218-1-1.html

http://blog.pfan.cn/www3

http://54min.com/post/c-network-programming-server-multiple-clients-select.html

http://bbs.chinaunix.net/thread-1460809-1-1.html