c-program to add two number by using pointer | call by reference | c-programming

program to add two number by pointer in c language

In this program we will now takes two number and add them by using call by reference (pointer)
 Call by Reference :- when address are passed to the called function.

#include<stdio.h>

#include<conio.h>

int add(int *,int *);

void main()

{

         int a,b,sum=0;

         printf("enter the number:-");

         scanf("%d %d",&a,&b);

         sum=add(&a,&b);

         printf("\n the sum of the two number is %d",sum);

         getch();

}

int add(int *x,int *y)

{

         int s;

         s=*x+*y;

         return(s);

}

output :-