字符串取低字节

Dr.dobb开发杂志里的源码，里面的源码可都是很经典的哦(The source codes of Dr.dobb, a magazine of development. They are very classic.)

VB windows网络编程的配套光盘，里面有大量成熟的源码可以利用-VB windows network programming matching CD-ROM, which has a large number of mature source can be used

VC++6.0开发的网络程序，界面美观，使用方便，有很高的参考价值．-VC 6.0 network programming, beautiful interface, easy to use, have a very high reference value.

说明：  读取TDMS文件，labview 2016 测试通过。(Read the TDMS file, and LabVIEW 2016 passed the test.)

VB拦截数据包，在XP下可以直接运行。 VB拦截数据包，在XP下可以直接运行。-VB intercept packets in XP can be run directly. VB intercept packets in XP can be run directly.

VC++实现TCP实现P2P通信、TCP穿越NAT的方法、TCP打洞，有详细的说明文档，对于想了解P2P软件工作原理的人很有启发作用。-VC++ Realize TCP realize P2P communications, TCP through the NAT method, TCP holes, have detailed documentation for the P2P software would like to know the working principle of the people is very inspiring.

使用树来罗列你的计算机种安装的全部网络协议名称。这次是全部源码，上次忘记了。 -The use of trees to set out your computer to install all kinds of network protocols name. This is the full source code, the last forgotten.

获得可用磁盘空间(was available disk space)

PING 网络的程序，还可以的，大家可以看一下，呵呵！-PING network procedure, but also, and everyone can look at, huh, huh!

SMTP邮件发送。。。。。可以用自己的SMTP服务器发送邮件-SMTP mail. . . . .