Wednesday 27 March 2013

What is the meaning of prototype of a function?


What is the meaning of prototype of a function?   

Explanation:
Prototype of a function

Declaration of function is known as prototype of a function. Prototype of a function means

(1) What is return type of function?
(2) What parameters are we passing?
(3) For example prototype of printf function is:

int printf(const char *, …);

I.e. its return type is int data type, its first parameter constant character pointer and second parameter is ellipsis i.e. variable number of arguments.


Blog Author: Vijay Kumar


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