//  Copyright (c) 2003 boost.org
//
//  Permission to copy, use, modify, sell and distribute this software
//  is granted provided this copyright notice appears in all copies.
//  This software is provided "as is" without express or implied
//  warranty, and with no claim as to its suitability for any purpose.
//
//  http://www.boost.org
// 

int foo();
int bar();

void z1(), z2();

int main()
{
    foo();
    bar();
    z1();
    z2();
    return 0;
}