#include <iostream.h>

// This is a try to cast a function ..

typedef int (*int_function) ();
typedef float (*float_function) ();
typedef void  (*void_function) ();


int intReturn () {
  return 3;
}
float floatReturn () {
  return 3.1;
}
void voidReturn () {
  return;
}

int main () {
  int_function test_i;
  float_function test_f;
  void_function test_v;

  test_i = &intReturn;
  test_f = (float_function)&intReturn;
  
  int res = test_i();
  float res2 = test_f();

  cout << res << "\n" ;
  cout << res2 << "\n" ;

  test_i = (int_function)&floatReturn;
  res = test_i();

  cout << res << "\n" ;

}