编译原理中的First集与 Follow集生成程序，这是我用C＋＋语言写的，希望对大家有点用处。-Compiler Principle of First Set and Follow procedures set generation, which is my C + + languages, we hope to somewhat useful.

转载：用C语言实现telnet功能。对于学习网络TCP/IP协议的初学者有不错的参考价值(Reprint: use C language to realize telnet function. For beginners to learn network TCP/IP protocol, there are good reference value)