#include <iostream>

#include <cstdint> /* uintptr_t */
#include "saten.h" /* objAddr, substVmt */

class A {
private:
    int a;
public:
    A(int a) {
        this->a = a;
    };
    virtual int getA() {
        return a;
    }
};

int fake_getA(A * self) {
    return *(buffAddr(self) + 1) * *(buffAddr(self) + 1);
}

int main() {
    A * a = new A(5);

    uintptr_t * fakeVmt = new uintptr_t;
    *fakeVmt = (uintptr_t)objAddr(fake_getA);
    substVmt(fakeVmt, a);

    std::cout << a->getA();

    return 0;
}