本程序用winsocket 实现了一个基于c/s 架构的简单的聊天室程序。 采用面向连结的socket api， 信息发送、接收为阻塞同步方式。可以进行多用户聊天。. -This procedure using winsocket to achieve a simple c/s based chat room procedures. The socket API is adopted to link, and the information is sent and received as blo