获取一个动态数组大小，注意运行环境必须是VC6.0条件下，在linux上经测试这种方法是行不通的，通常我们认为动态数组是无法获取的，但是了解过编译原理的人还是找出了获取的方法，本文给出具体代码-Gets a dynamic array size, pay attention to the environment must be running VC6.0 conditions, this method has been tested on linux does not work, we usually think dynamic array is unable to obtain, but the understanding of compiler theory people are still out The method of access, this paper gives specific code