一个真正SERVER PUSH的聊天室，很不错，C语言所写，最可惜的是已经被编译过了，但是界面全部被独立出来了的，可以自行更改，只是不能研究程序的内部结构…… -a real SERVER PUSH chat rooms, very good, C language written, it is most unfortunate that has been compiled, but the interface were all independent of and can make chang