/* Includes 
  More lines...
  */

#include <stdio.h> 

int square(int a_number);

int main(int argc, char *argv[])
{
  int h[10];
  int i;
  int squares[10];  

  for(i = 0; i<10 ; i++) {
    h[i] = i;
    squares[i] = square(h[i]);
    printf("%d %d \n",h[i],squares[i]);
  }
}


int square(int a_number)
     /* Returns the square of a number */
{
  int return_value;
  return_value = a_number*a_number;
  return return_value;
}