message passing using tcp/ip

[Jai]

i would like to create a chat program using IP addresses. i'm using C in UNIX.
any suggestions on where to get start? (any unix functions or c functions that will help)

Thanks for your help!

[Vber]

You should start learning sockets, if you wan't a good tutorial you can find here:
http://www.ecst.csuchico.edu/~beej/guide/net/

It's very simple and for most people it's a great one.

[Shiro]

http://www.cs.cf.ac.uk/Dave/C/