C指针最典型例子

01 Dec 2020

#include<windows.h>
#include<stdio.h>

void Msg()
{
    //MessageBoxA(0,0,0,0);
    printf("I was called!");
}

int main()
{
    int a = 0;
    int* p = &a;
    p = p + 4;
    *p = (int)Msg;
    return 0;
}