#include <stdio.h> 

void ComputePowers(float *powers, float *sum) 
{
   powers[0] = 4.0; 
   powers[1] = 9.0; 
   powers[2] = 16.0;
   *sum = *powers + *(powers+1) + *(powers+2);
   return;
}

int main(int argc, char *argv[]) 
{ 
   float powers[3], sum;

   ComputePowers(powers, &sum);
   printf("The sum of %f and %f and %f is %f\n", 
          powers[0], powers[1], powers[2], sum);
   return 0; 
}