时间同步客户端,WINDOWS下的.后面有LINUX下的同步客户端.-time synchronization client, the Windows. LINUX is behind the synchronization client.

多线程服务器实现回显功能，包含一个客户端程序一个服务器端程序。在linux下开启服务器程序可以对多个客户端服务。-Echo multi-threaded server implementation features, including a client program of a server-side program. Under the linux server program can open multiple client services.