// CMemory.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include 
     
      using namespace std;class Base {public:    virtual void f() { cout << "Base::f" << endl; }    virtual void g() { cout << "Base::g" << endl; }    virtual void h() { cout << "Base::h" << endl; }};class Derive:public Base{public:    virtual void f() { cout << "Derive::f" << endl; }//    virtual void g() { cout << "Derive::g" << endl; }    virtual void h() { cout << "Derive::h" << endl; }};int main(int argc, char* argv[]){    typedef void (*Pfunc)(void);    Base b;    cout<<"vptr addr: "<<(int *)&b<