help with socket programming!

please give me links to good references on how to write a client-server program in c

where

1) the server waits for clients to connect to it until a certain number of clients is reached; and
2) then the server starts to wait for a connected client to send a request and then sends back data in the form of a string...

thanks...

On what operating system?

you can search it on google ,There are lots of examples on baidu but it write in Chinese i'm afraid that you can't understand them ....

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Try any of above 2 and one more thing....

I hope you can also google it out... Why don't you put a try over it???
Instead of leaving everything over others, it's much better to do yourself hard first.

Not forgetting the "beej network tutorial" (google it).