C Program Code for Swapping of numbers using Pointers

Program code:

#include<stdio.h>

int main()

{

int x  , y , z , *a , *b , *c  ;

printf("Enter value of x : ");

scanf("%d",&x);

printf("Enter value of y : ");

scanf("%d",&y);

printf("Before swapping x :  %d",x);

printf("\nBefore swapping y :  %d",y);

a = &x;

    b = &y;

c = &z;

*c = *a;

*a = *b;

*b = *c;

printf("\nAfter swapping x :  %d",x);

printf("\nAfter swapping y :  %d",y);

return 0;

}

Output:

.exe file