net_programme_3stpart

RC4算法的加密实现，实现对明文的加密，加密效果很不错(RC4 encryption algorithm, has implemented an express right of encryption, encryption is very good effect)

基于Winsock的网络编程小程序，可以实现FTP的上传和下载。(Winsock-based network programming applets, can be achieved FTP upload and download.)

网络聊天室，实现类似QQ的功能，通过链表对客户管理(sockeg programming)

socket编程，实现一个客户端，一个服务器，是学习socket编程的好代码(socket programming, a client, a server, is a good source to learn socket programming)

科隆2服务端源码.....请大家下载修改,BUG多(Cologne 2 server ..... please everyone download the source code modifications, BUG more)

Icmp高级编程 代码在vc++6.0下调试通过(ICMP high-level programming code vc++ 6.0 debugging through)

断点续传 http download ftp mfc(http download download download )

视频通信 c#编程 可以正确运行 能够在局域网里进行视屏聊天(Video communications c# programming can be run properly in LAN chat screen)

使用VB2005编写的关于winsock控件通信例程，适合新手使用(Written using VB2005 winsock control communication routines for the novice)

实现单线程文件传输，不支持断点传出，功能相对简单，但是性能很好。(Achieve single-threaded file transfer, does not support breakpoints spread, function is relatively simple, but the performance is very good.)