网络聊天程序,双方使用同一平台。用户可以向局域网内的用户发送消息，并且聊天人数不限制，用户也可以对其中一台指定的主机对话。软件中主要是用CSocket函数，这一关键的函数在实现软件的通信功能。-Network chat program, the two sides use the same platform. To the LAN users can send messages to users, and do not limit the number of chat, users can also specify one host dialogue. Software is mainly used CSocket function, the crucial function of communication in achieving the software functionality.