Function Example

#include <iostream.h>

void main(void)
{
  int result;
  int number = 4;

  result = number * number * number;
  cout << "The cube of 4 is " << result;
}

#include <iostream.h>

// function declaration (prototype)
int cube(int value);

void main(void)
{
  int result;
  int number = 4;

  result = cube(number);
  cout << "The cube of 4 is " << result;
}

// function definition
int cube(int value)
{
  return value * value * value;
}