liaotianshi
...........\chat
...........\chat2
...........\.....\chat_client.c
...........\.....\chat_client.c.bak
...........\.....\chat_server.c
...........\....\client.c
...........\....\client.c.bak
...........\....\server.c
...........\....\server.c.bak
...........\....\server.c.bak.bak