Describe: the socket code

File list(time 2007060813~2009102003)(Click to check if it's the file you need, and recomment it at the bottom):
  Socket
  ......\client.c
  ......\client_dns.c
  ......\Makefile
  ......\server
  ......\server.c
  ......\tcpchat
  ......\tcpchat.c