/*--------------------------------------------------------------------*/
/* powerfunction.c                                                    */
/* Author: Bob Dondero                                                */
/*--------------------------------------------------------------------*/

#include <stdio.h>

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

/* Return iBase raised to the iExp power, where iBase and iExp
   are non-negative. */

static int power(int iBase, int iExp)
{
   int iPower = 1;
   int iIndex;

   for (iIndex = 1; iIndex <= iExp; iIndex++)
      iPower *= iBase;

   return iPower;
}

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

/* Read a non-negative base and exponent from stdin.  Write base
   raised to the exponent power to stdout.  Return 0. */

int main(void)
{
   int iBase;
   int iExp;
   int iPower;

   printf("Enter the base:  ");
   scanf("%d", &iBase);   /* Should validate. */

   printf("Enter the exponent:  ");
   scanf("%d", &iExp);    /* Should validate. */

   iPower = power(iBase, iExp);

   printf("%d to the %d power is %d.\n", iBase, iExp, iPower);

   return 0;
}