#include <iostream>
using namespace std;

class ReferenceParm1
{
public:
    int value;

    ReferenceParm1(int v) : value(v) {}
};

void func1(ReferenceParm1 *parm)
{
    parm->value = 111;
    cout << "In func1: parm->value = " << parm->value << endl;
}

void func2(ReferenceParm1* &parm)
{
    parm = new ReferenceParm1(222);
    cout << "In func2: parm->value = " << parm->value << endl;
}

int main()
{
    ReferenceParm1 *p = new ReferenceParm1(0);
    cout << "In main before call to func1: p.value = " << p->value << endl;
    cout << endl;

    func1(p);
    cout << "In main after call to func1: p.value = " << p->value << endl;
    cout << endl;

    func2(p);
    cout << "In main after call to func2: p.value = " << p->value << endl;

    return 0;
}