利用ICMP原理做的一个测网速的小程序 专注于外网 通过输入一个IP 就可以得到网速...

用vc写的winsock-UDP程序，是学习winsock的好帮手！- Winsock-UDP procedure writes which with vc, is good helper which studies winsock!

特别说明，A UDP-based Reliable Data Transfer Library源码非原创，详细说明见压缩包里的“说明”word文档-in particular, A UDP-based Reliable Data Transfer Library source of non-original, detailed description of the compression bag "note" word document

此源码主要是PPPOE的VC编译程序，用来实现windows下的PPPOE的功能-this is the main source of VC PPPOE compiler, used for windows of the function PPPOE

Internet图片验证码系统-Internet Image Verification Code System

用VC开发的网络语音电话，希望对您的开发有所帮助。-VC network with the development of voice calls, and they hope to be helpful to your development.

实现单线程多帐户的邮件收发程序.功能表： 一。邮件操作 1。收邮件 2。发邮件 3。另存邮件 4。另存附件 5。删除邮件 6。回复邮件 二。帐户操作 1。新建帐户 2。删除帐户 3。帐户设置 三。地址簿操作 1。手动添加地址 2。自动添加地址 3。删除地址 4。地址设置 5。地址回复-Realize single-threaded multi-account e-mail to send and receive procedures. Menu: 1. 1 e-mail operation. Incoming mail 2. E-mail 3. Save E-mail 4. Save Annex 5. Delete e-mail 6. Second response. Account to operate one. New account 2. Delete account 3. Account Settings three. Address Book 1. Manually add the address 2. Automatically add the address 3. Delete address 4. Address Setting 5. Address Reply

在服务端运行tcp.exe, 在另一台与之在同一network的客户端上运行tcplnk.exe, 规定相同的port, 在服务端上begin, 在客户端上输入服务器的IP地址，connect, 客户端上编辑框中的字符便可send到客户端的编辑框中。-on the server running tcp.exe, another in the same network with the client running on tcplnk.exe require the same port, on the server begin, the client server on the importation of the IP address, connect, the client on the edit box of the characters can send to the client the editorial box.

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语音电话高级编程是一个通过调制解调器来进行语音电话开发的程序，相信读者一定会感兴趣。 本程序需要调制解调器的支持，否则可能失败 需要调制解调器支持语音传输，本程序在子弹头 调制解调器下调试通过，通话时通过麦克风和话筒 来进行。-Voice Telphony Advance Coding descript How to program though a mode, we conside many reader shoud be insterest this..

基于udp通信的服务器端源代码，可以与基于udp通信的客户端端实现通话-server for udp communication