Deifference Between Declaration And Defination ?

Question

what is Declaration and Definition ?

Difference Between Declaration And Defination ? With Examples  difference

Answer 1

Any function can be declared many times but it can be defined only once.

FUNCTION DEFINATION:

int add (int x , int y)

{

int a;

a = x + y;

return a;

}

FUNCTION DECLARATION:

int add (int p1, int p2);

Answer 2

Simply speaking declaration of a function tells about the return type, parameters taken their type and name of the function only while the declaration with all this also consists of the code that will be executed when the function is called.