自动发送电子邮件

Socket 异步通信，用户可以用不同的方式 不必须等待一个操作结束，然后在做别的操作，可以并行操作Socket。-Socket asynchronous communication, users can use a different method does not have to wait until the end of an operation, and then doing other operations, operating in parallel socket.

聊天程序服务器端-Chat server-

程序运行时获取计算机的网卡的mac地址,以便于作为某种标识-running computer access at the LAN mac address, in order to serve as a logo

虽然是窗口时代，但有时候系统自带的一些DOS小命令还是非常的实用，就像PING一样，它可以很方便的 让人知道你的连网状态。这个经过改造PING命令，比系统自带的更强悍，它的窗口更人性化，省去了原来PING命令繁琐的打开步骤，而且可以按指定次数连续Ping，还可以按给定的数量连续PING。用起来非常方便。-Networking people know your status. The revamped PING command, the system comes with more than tough, it is more user-friendly window, eliminating the original PING command to open cumbersome steps, and can specify the number of times according to a continuous Ping, also can be given the number of consecutive PING. Is very convenient to use them.

315M或413M普通无线发送接受模块的发送和接收程序。也就是最便宜那种通信模块。-315M or 413M accept ordinary wireless sending module for sending and receiving procedures. That is, the cheapest kind of communication module.

同来进行Internet时间同步的d-To carry out Internet time synchronization with the dll

用VB写的类似MSN的聊天系统，可以供学习使用，入门阶段不错。-Using VB to write a similar MSN chat system for learning to use, good entry stage.

Winsock编程指南，Winsock常用函数-Winsock Programming Guide, Winsock common function

本代码时对局域网中多播通信的实现，有加入多播组功能，退出多播组功能，多播显示发送接收消息等。-The code of LAN Multicast Communication, a multicast group by adding features from the multicast group function, multicast, etc. show the send receive messages.

TCPIP协议C语言源程序标准分层结构在8位单机上使用-TCPIP protocol standard C language source hierarchical structure in the eight stand-alone use