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#include<bits/stdc++.h>
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;}
};

typedef void(*Fun)(void);
A
Base b;
Fun pFun = NULL;

int main(){
cout << "虚函数表地址:" << (int*)(&b) << endl;

cout << "虚函数表 — 第一个函数地址:" << (int*)*(int*)(&b) << endl;
pFun = (Fun)*((int*)*(int*)(&b));

pFun();

return 0;
}

子类覆盖父类 https://blog.csdn.net/weixin_40237626/article/details/82313339

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