bt下载工具的源代码，对想了解的端口编程和NAT穿透内网的编程，很有帮助。-bt download the source code tool of the port would like to know programming and penetration within NAT network programming and helpful.

borland C++ build 编程 该程序是一个FTP的下载工具，界面比较简单，为当初本人的课程设计-build programming that the procedure was an FTP download tool, the interface is relatively simple, I had to design the courses

信使小精灵,是一个简易的聊天工具。主要是演示了网络编程的主要步骤。本程序使用封装好的函数库，使得应用层不需要考虑网络消息是如何被接受和发送的，也不需要考虑数据粘包和丢包的刺手问题，你只要调用相应的函数就可以了。函数库为你做好了这些工作。你只需要定义自己的协议头和消息结构体，定义好网络消息的回调函数就可以了。-messenger elf is a simple chatting tool. Is a demonstration of the major network programming st

网络编程的一些例子，包括udp与tcp,是学习socket的好工具-network programming examples include the tcp and udp, the socket is a good learning tool