/*
 * passaddr3.c
 */
#include <stdio.h>

void swap(int * ,int *);

int main(void)
{
  int aa,bb;
  aa=5;
  bb=26;
  
  // Displaying the values of aa and bb before calling swap()
  printf("Before calling swap(), aa is: %d and bb is %d\n", aa,bb);
  
  swap(&aa,&bb); // calling swap 

  printf("After calling swap(), aa is: %d and bb is %d\n", aa,bb);
  
  return 0;
}

void swap(int * paa, int * pbb)
{
  int tmp;

  tmp=*paa;
  *paa=*pbb;
  *pbb=tmp;
  
  printf("\nIn swap():");
  printf("*paa is: %d and *pbb is: %d\n", *paa,*pbb);
}