看看， IP地址和计算机名相互转化的多线程处理-look at the IP address and computer name mutual conversion of the multi-threading

telnet的源代码实现,linux学C的可以看看了-telnet achieve the source code, the C linux school can look at the

所有前端后台代码封装过后十分精简易上手，出错效率低。同时支持移动客户端访问。(All front end background code is very simple and easy to use after encapsulation. Support mobile client access at the same time)