#include <iostream>
using namespace std;

class Thing
{
public:
    Thing(int v) : value(v) {}
    int value;
};

Thing *obj;

void func1(Thing *parm1)
{
    parm1->value = 111;
    cout << "In func1: parm1->value = " << parm1->value << endl;
}

void func2(Thing* &parm2)
{
    parm2 = new Thing(222);
    cout << "In func2: parm2->value = " << parm2->value << endl;
    cout << "In func2:   obj->value = " << obj->value << endl;
}

int main()
{
    obj = new Thing(111);
    cout << "In main before call to func1: obj->value = " << obj->value << endl;
    cout << endl;

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

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

    return 0;
}