网络端口的介绍 很详细，可以看看。 也可用来查找

vc++6.0开发的ping程序，界面美观，使用方便，具有很高的参考价值．-vc 6.0 ping development of the procedures, beautiful interface, easy to use, have a very high reference value.

一个局或网聊天工具,使用delphi的indy组件.-a network board or chat tools, the use of the Delphi Indy components.

一个telnet客户端的例子-A telnet client examples

一个软件自动更新程序,包括更新文件版本等信息获取,md5码计算比较,http下载,cab压缩文件解压等模块-an automatic software updates, including the updating of documents and other information obtained, md5 dollar terms, http download, decompress compressed files cab modules

网页中判断国家的代码，在网页中嵌入这段代码可以辨别出国家。具体的文件中有说明-page judgment of a code embedded in the Web page source code can identify a country. Specific documentation is explained

lan中的端口映射程序-the port mapping procedures

一个用VC编写的Ping 多线程程序。-a VC prepared by the Ping multithreaded programming.

飞鸽传书C++版，一个典型的基于P2P的应用小程序，它完成了快速文件传输，是局域网用户的好帮手。-Dove Chuanshu C++ Version of a typical P2P-based application of small programs, it completed a fast file transfer, LAN users is a good helper.

一款网络打字测试程序，内含程序和源代码，对于VC网络编程有一定用处-A network of typing test procedures, including procedures and source code, network programming for the VC there is some use