Function : Function Introduction « Function « C Tutorial

1. C Tutorial
2. Function
3. Function Introduction

Functions provides modularity to the software.

#include <stdio.h>

int add (int x, int y) {
    int z;          
    z = x + y;
    return (z);     
}
main ()
{
    int i, j, k;
    i = 10;
    j = 20;
    k = add(i, j);       
    printf ("The value of k is %d\n", k);  
}

The value of k is 30