/*------------------------------------------------------------------*/
/* testswapbad.c                                                    */
/* Author: Bob Dondero                                              */
/* The need for call by reference.                                  */
/*------------------------------------------------------------------*/

#include <stdio.h>

/*------------------------------------------------------------------*/

static void swap(int iFirst, int iSecond)

/* Swap the values of iFirst and iSecond.  */

{
   int iTemp;

   iTemp = iFirst;
   iFirst = iSecond;
   iSecond = iTemp;
}

/*------------------------------------------------------------------*/

int main(void)

/* Test the swap function.  Return 0. */

{
   int i1 = 8;
   int i2 = 12;

   printf("Before:  %d %d\n", i1, i2);

   swap(i1, i2);

   printf("After:  %d %d\n", i1, i2);

   return 0;
}



/* Sample Execution:

$ testswapbad
Before:  8 12
After:  8 12

*/