Swapping Pointers

/**********************************************/
/* */
/* Swapping Pointers */
/* */
/**********************************************/

/* Program swaps the variables which a,b */
/* point to. Not pointless really ! */

#include <stdio.h>


main ()

{ int *a,*b,*c; /* Declr ptrs */
int A,B; /* Declare storage */

A = 12; /* Initialize storage */
B = 9;

a = &A; /* Initialize pointers */
b = &B;

printf ("%d %d\n",*a,*b);

c = a; /* swap pointers */
a = b;
b = c;

printf ("%d %d\n",*a,*b);

}

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