GTU PPS Practical - 55
Write a C program to swap the two values using pointers.
				
					#include <stdio.h>

void swap(int * , int * );

int main(void) {
  int i = 25, j = 35;
  printf("\n Before Swapping i = %d j = %d", i, j);
  swap( & i, & j);
  printf("\n After Swapping  i = %d j = %d", i, j);
  return 0;
}

void swap(int * a, int * b) {
  * a = * a + * b;
  * b = * a - * b;
  * a = * a - * b;
}