volatile和const指针

Question

I saw this code snippet 我看到了这段代码

const volatile int * volatile * const X;

but I can't understand what does the second * means. 但我无法理解第二个*意味着什么。

I understand that 我明白那个

const volatile int * volatile const X; const volatile int * volatile const X;

means a volatile const integer pointer to a volatile const data. 表示易失性const数据的volatile整数指针。

Answer 1

A useful site for understanding non-trivial C declarations is cdecl.org . 用于理解非平凡C 语句的有用站点是cdecl.org 。

The description for: 描述：

const volatile int * volatile * const X;

from cdecl is: 来自cdecl是：

declare X as const pointer to volatile pointer to const volatile int 将X声明为指向const volatile int的volatile指针的const指针