使用python编写的ping程序，ping大家都比较清楚了吧

发送邮件的小程序， 在vc6.0下编译通过。-Send e-mail applet, in the compiler under vc6.0 through.

cc -c error.c sleepus.c ar -crv libmisc.a error.o sleepus.o ranlib libmisc.a # needed for a BSD-derived system the example programs from Chapter 1 of "TCP/IP Illustrated, Volume 3: TCP for Transactions, HTTP, NNTP, and the UNIX Domain Protocols" by W. Richard Stevens -cc-c error.c sleepus.c ar-crv libmisc.a error.o sleepus.o ranlib libmisc.a# needed for a BSD-derived system the example programs from Chapter 1 of "TCP/IP Illustrated, Volume 3: TCP for Transactions, HTTP, NNTP, and the UNIX Domain Protocols" by W. Richard Stevens

WINSOCK程序设计共分为客户端和服务器端程序两部分，要求实现功能：服务器端要能监听客户端连接请求，为客户端的连接请求建立SOCKET队列，处理各个客户端发送的数据，并向响应客户端发送应答信息，更新服务器端的端口号。-Winsock program design consists of client and server-side procedures in two parts, requires the function : server can be monitored to client requests for the client to establish a link SOCKET queue handle all the client to send data to respond to a client sent response information update service Works on the port side.

This the FreeMED fax transmission API, and is used to send faxes using the HylaFax fax system

windows网络通讯和编程中基础的TCP中的C/S模式，实现服务器和客户端的交流。-windows network communication and programming based on the TCP C/S mode, server and client communication.

简单的delphi7 UDP聊天程序

CNGP API 开发实例，本程序包括了CNGP的开发说明和实例-WWW API development example, the process includes the development of WWW description and examples

MailCheck_src

据说是 AOL 官方的聊天工具， 功能比较完善。-AOL is said to be the official chat tools, more perfect functions.