A
Antoninus Twink
As several people have tried to tell you, on the particular topic
you're asking about you're likely to get more and better answers
in comp.unix.programmer.
A false assertion doesn't magically become true by dint of repetition ad
nauseam, Kiki.
The OP's question has been answered in detail here - why should he
listen to your unwelcoming and unhelpful "recommendations"?
There are C implementations that don't support sockets, and there are
implementations of sockets for languages other than C.
There are C implementations that don't support printf, and there are
implementations of printf for languages other than C. Are we to infer
that printf is "off topic" in your opinion?