daytime服务，这个源码说明文档写的很详细，对linux下系统函数作了一点归纳。希望对你有所帮助。...

linux 串口接受发送程序，有和校验功能，-linux serial accept this procedure, and checking function,

tftpServer 是支持tftp(trivial file transport protocol)协议的服务器程序，使用了多线程技术，在redhat 9.0下用gcc编译通过。-tftpServer support tftp (trivial file transpo rt protocol) server, the use of the multithreading technology, redhat 9.0 in using gcc compile.

本人在5年前做的一个unix/aix下的一个聊天软件，aix4.3下测试通过，可以上翻。-five years ago to do a unix/aix under a chat software, aix4.3 under the test can be turned on.

linux 环境下的一个TCP协议下的端口扫描程序。-linux environment under the agreement a TCP port scanner.

ping程序，对初学者还是有一定练习作用的-ping procedures, or for beginners to practice a certain role

unix下telnet的代理，比较简单，但包含了unix下c编程需要注意的基本问题及socket编程的基本模式。-under telnet proxy, relatively simple, but contains the c programming under unix need to pay attention to basic issues and the basic socket programming model.

可以实现搭建VPN服务器，通过NAT可以共用1个公网地址实现组局域网络。-Structures can be achieved VPN server, NAT can be shared through a public network address group realize LAN.

该文件包含了sip协议的api以及示列的原代码-This document contains a sip of the agreement and said api out of the original code

linux下的多线程调试c++代码,适合多线程linux下程序的调试-linux under the multi-threaded debugging c++ code, suitable for multi-threaded Debugging under linux

嵌入式linux系统CS8900A驱动程序-Embedded Linux CS8900A Driver