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c写的邮件例子简单方便适合初学者学习方便使用(c write the message is simple and convenient example of user-friendly for beginners to learn)

实现可靠的UDP封装传输类，可以进行多点传输，采用超时重发机制(Reliable transmission of UDP encapsulation type, can be multi-point transmission, the use of timeout retransmission mechanism)

网络入侵检测系统，各模块完整，可以实现简单的网络入侵检测(Network intrusion detection system, each module is complete, you can achieve a simple network intrusion detection)

用BitBlt()函数实现界面切换的程序设计方法,其中包括：新建项目,用函数实现文件的打开操作以及相关的程序设计,(The program design method of interface switching is realized by BitBlt () function, which includes: new project, file opening operation with function, and related program design.)

一个简单的点对点聊天程序，学习socket通讯编程时的练习程序。编译环境为VS2008(A simple peer-to-peer chat program, learning socket communication programming practice procedures. The compiled environment for VS2008)

下载远程网络文件实例

黑客兄弟们的最爱，想成为网络工程师和安全工程师都需要看( Hackers brothers favorites, want to become network engineers and security engineers need to see)

LM75的单片机驱动程序，PDF格式的文档(LM75 MCU CODE, PDFdocument)

说明：  Socket服务端与客户端通信demo。(Socket server communicates with client demo.)

组播测试工具,可以接收和发送组播。可同时支持加入32个组播(multicast tools for ip.)