void f1();
void f2();
void f3();

void
f3()
{
	int a_f3 = 3;
	f2();
}

void
f2()
{
	int a_f2 = 2;
	{
		int b_f2 = 22;
		{
			int c_f2 = 33;
		}
	}
}

void
f1()
{
	int a_f1 = 1;
	f2();
}

int
main(int argc, char **argv)
{
	int a_main = 123123;
	f1();
	f3();
	return(0);
}