C Tutorial/Function/Function Introduction

Function

Functions provides modularity to the software.

<source lang="cpp">#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);  

}</source>

The value of k is 30