网络socket编程指南

rnet Protocol Frequently Asked Questions (France)
　　(http://web.cnam.fr/Network/TCP-IP/)
The Unix Socket FAQ
　　(http://www.ibrado.com/sock-faq/)
RFCs--the real dirt:
　　RFC-768 -- The User Datagram Protocol (UDP)
　 　(ftp://nic.ddn.mil/rfc/rfc768.txt)
RFC-791 -- The Internet Protocol (IP)
　　(ftp://nic.ddn.mil/rfc/rfc791.txt)
RFC-793 -- The Transmission Control Protocol (TCP)
　　 (ftp://nic.ddn.mil/rfc/rfc793.txt)
RFC-854 -- The Telnet Protocol
　　 (ftp://nic.ddn.mil/rfc/rfc854.txt)
RFC-951 -- The Bootstrap Protocol (BOOTP)
　(ftp://nic.ddn.mil/rfc/rfc951.txt)
RFC-1350 -- The Trivial File Transfer Protocol (TFTP)
　　 (ftp://nic.ddn.mil/rfc/rfc1350.txt)