/*
 * funclass.c
 */
#include <stdio.h>

int getnum(void);
int get_and_square(void);

int main(void)
{
  int square;
  int num=-111;
  num=getnum();
  printf("You got a number %d\n", num);

  printf("Going to square a number for you.\n");
  square=get_and_square();
  printf("You got a number %d\n", square);

  return 0;
}

int getnum(void)
{
  int nn;
  printf("Enter an integer: ");
  scanf("%d",&nn);
  return nn;
}

int get_and_square(void)
{
  int nn;
  nn=getnum();
  return (nn*nn);
}