自写编写的模仿QQ的聊天软件，功能丰富。实现了TCP、UDP两种连接模式。-Prepared to write copy from the QQ chat software, feature-rich. Achieve TCP, UDP two connection mode.

在DOS方式，我们利用Ping命令可以方便的知道网络连接状态，检测网址IP等，这里我们在Windows下实现同样的功能-In DOS mode, we use the Ping command can easily know the network connection status, IP address detection and so on, here we perform the same function under Windows