ping命令的实现，能够完成ping

CAsyncSocketEx，一个很好用的CAsyncSocket扩展类-CAsyncSocketEx, a very easy to use CAsyncSocket expansion class

一个免费的用于局域网的消息传送小工具, 您可以用它来取代 Windows自带的 WinPopup.EXE-For a free LAN messaging gadget, you can use it to replace Windows built-in WinPopup.EXE

一个控制台的select模型的聊天服务器-console select a chat server model

在Windows 2000下使用winsock2修改IP报头的例子- 2,000 uses winsock2 in Windows to revise the IP masthead the example

一个短小精悍的UDP点对点聊天代码，虽小但包含了如何设计UDP传输消息，适合初学者快速上手网络编程。-A dapper UDP peer-to-peer chat code, may be small but includes how to design UDP transmission message, suitable for beginners and running faster network programming.

串口短信收发软件，使用Visual B编写。-messaging software using Visual B prepared.

真正的基于SIP和windows的语音通信.rar 真正的基于SIP和windows的语音通信.rar

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

为如何获取网卡的mac地址的程序，方法简单，一看就会-how to access the LAN mac addresses in the method, one will see

在程序中添加windows ip,不需要重新启动计算机-procedure ip adding windows, no need to restart the computer