arduino programming

How to write the function.is it exactly like the C function.

Yes.

Korman

is it exactly like the C function

Possibly. Please put your question in context.

Mowcius

Your poll is missing the "OP is a doofus option".

Your poll is missing the "OP is a doofus option".

;D

But yes is just as good an answer as no with a question like this.