Functions

#include <stdio.h>

int sum(int i, int j);

main()

{

int a, b, res;

a = 1; b = 2;

res = sum(a, b);

printf("%d + %d = %d\n",

a, b, res);

}

int sum(int i, int j)

{

int k;

k = i + j;

return k;

}

Prototype

declaration

Function definition

Function parameters

Function return value

Call/invoke a function

Arguments

This is program pg154.c.

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