说明了icmp协议的功能,主要用于网卡的驱动程序

Linux网络编程。主要实现共享资源问题。通过lock()函数实现锁定，unlock()实现解锁,以避免造成临界资源的死锁问题。-Linux Network Programming. The main problem to achieve a shared resource. Through the lock () function to achieve lock, unlock () Unlock realize in order to avoid deadlock caused by the issue of critical resources.

用于at89c51snd1c对于硬盘的控制器的控制，基于atmel方案设计-at89c51snd1c used for a hard disk controller control, based on program design atmel

自己编写的socket通信，包括服务器和客户端，刚开始自己走了不少弯路，希望能给后来者一些启示-I have written socket communication, including the server and the client, has just started taking a lot of their own detour, I hope to give some enlightenment to latecomers

netcat，一个功能强大但很小的网络工具，这是他的源代码。linux环境下安装即可。-Netcat, a small but powerful network tool, which is the source code. Linux environment can be installed.

linux下多线程网络编程，实现arm9视频采集和网络发送jpeg数据，使用udp协议，自己写的，搞了好几天！linux下的多线程比较复杂易出错。-linux network under the multi-threaded programming, video capture and realize ARM9 send jpeg data network, using udp protocol, wrote it myself, engaged in for several days! linux under the more complicated multi-threaded, error-prone.

中兴通信公司的《通信基础知识》培训教材， 没有介绍复杂的通信原理，简单扼要的概括了 通信方面专业常识-ZTE Corporation"s "communications infrastructure knowledge" training materials, without introducing complex communications theory, a brief summary of the communications specialist knowledge

一个多点下载且源码公开的P2P软件，使用非常方便，就像一个浏览器插件.-Download more than one point and open-source P2P software, use the very convenient, just a browser plug-in.

这是一个linux下基于二层模式下arp过滤程序，可以实现linux下的ip->mac地址绑定功能-This is a linux-based two-story model arp filter program, Linux can be achieved under the ip-

把网卡设为混杂模式的sniffer 的小例子， vc6.0 ， win2000下运行通过， 不用设备驱动程序 只能接受ip包，无法接收与ip包同级的其它网络包，如arp等 listview显示-put mixed mode sniffers small examples, vc6.0, WIN2000 running through without device drivers can only receive ip packet, can not receive the same level with the ip packet other packet networks, such as arp error revealed

Build client software that uses gethostbyname to look up machine names and print all information returned.