/*------------------------------------------------------------------*/
/* revfn1.c                                                         */
/* Author: Bob Dondero                                              */
/* Array and functions.                                             */
/*------------------------------------------------------------------*/

#include <stdio.h>

enum {ARRAYSIZE = 5};

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

static void getNumbers(int *piNums)

/* piNums is a pointer to the first element of an array.  Read
   integers from stdin into that array.  */

{
   int *piAfterLast;

   printf("Enter %d integers:\n", ARRAYSIZE);

   piAfterLast = piNums + ARRAYSIZE;
   while (piNums != piAfterLast)
   {
      scanf("%d", piNums);
      piNums++;
   }
}

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

static void putNumbers(int *piNums)

/* piNums is a pointer to the first element of an array.  Print the
   elements of that array to stdout in reverse order.  */

{
   int *piAfterLast;

   printf("The integers in reverse order are:\n");

   piAfterLast = piNums + ARRAYSIZE;
   while (piAfterLast != piNums)
   {
      piAfterLast--;
      printf("%d\n", *piAfterLast);
   }
}

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

int main(void)

/* Read ARRAYSIZE integers from stdin, and write them in reverse
   order to stdout.  Return 0. */

{
   int piNumbers[ARRAYSIZE];

   getNumbers(piNumbers);
   printf("\n");
   putNumbers(piNumbers);

   return 0;
}