/*-------------------------------------------------------------------*/
/* revfn1.c                                                          */
/* Array and functions.                                              */
/*-------------------------------------------------------------------*/

#include <stdio.h>

#define ARRAYSIZE 5

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

static void getNumbers(int *piNum)

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

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

static void putNumbers(int *piNum)

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

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

int main(void)

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

{
   int piNumbers[ARRAYSIZE];

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

   return 0;
}