#include <iostream>
#include <cstdlib>
using namespace std;

struct str {
	int f1;
	int f2;
};

str s = {10, 20};

str f();
str *g();
str& h();

int main()
{
	cout << "f().f1 == " << f().f1 << "\n"
		<< "g()->f1 == " << g()->f1 << "\n"
		<< "h().f1 == " << h().f1 << "\n";

	g()->f1 = 30;   //Change s.f1 to 30.  Must use arrow.
	h().f1 = 40;    //Change s.f1 to 40.  Must use dot.

	return EXIT_SUCCESS;
}

str f()
{
	return s;
}

str *g()
{
	return &s;
}

str& h()
{
	return s;
}