WINDOWS编程,一个有实用价值的TCP客户端程序,用于聊天,极为实用-WINDOWS programming, a practical value of TCP client program, used to chat, very practical

一个用TCP编写的一个聊天程序,有关键的代码,初学者可以看看．,(A written in TCP chat program, a key code, beginners can take a look.,)