sockets tcp example in c

Question

I'm looking for a good example of a simple TCP server/client that can deliver messages from one client to another. I have looked at many examples, but I can only find really complex ones, or one's where only one client talks to the server and back, and not to each other.

It would be best if you could try something simple, then post more specific questions once you've tried something. — Kevin Bedell
– Kevin Bedell, Commented May 10, 2012 at 3:05

myki · Accepted Answer · 2012-05-09 22:03:22Z

3

See selectserver.c at http://beej.us/guide/bgnet/output/html/singlepage/bgnet.html. Clients are defined earlier on the page and server seems pretty easy to expand.

answered May 9, 2012 at 22:03

myki

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2 Comments

Jon Blake Over a year ago

That one is good but it doesn't have an example of 2 clients communicating to each other.

Greg Inozemtsev Over a year ago

@JonBlake That's because it's impossible with TCP sockets. You need one side to create a listening socket ("be a server") and the other to connect ("be a client"). For connectionless transport look into UDP. Read section 2 in Beej's guide for more details.

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