转换为指向指针的指针无效总是安全的？

Is casting to Pointers to Pointers to void always safe?

youdao

该函数接受一个指向用户空间缓冲区的指针、一个指向内存缓冲区的指针、以及一个以字节定义的长度。

This function accepts a pointer to a user space buffer, a pointer to a kernel buffer, and a length defined in bytes.

youdao

引用是应用程序的特定指针，该指针指向通常存在于更大的上下文(如服务器或集群)中并且供多方使用的对象。

A reference is an application specific pointer to an object that usually lives in a larger context, such as a server or cluster, and is used by multiple parties.

youdao

Instead if we want this pointer to represent the address of something in as much as it points at that address let's just draw an arrow.

如果我们想要让这个指针表示,数据的地址，它指向的地址,我用一个箭头表示。

哈佛公开课 - 计算机科学课程节选

Number three, pointer assignment, takes one pointer and changes it to point to the same pointee as another pointer so after the assignment the two pointers will point to the same pointee.

第三条，指针赋值，使一个指针,指向另外一个指针所指向的数据,赋值过后，两个指针会指向,同样的数据。

哈佛公开课 - 计算机科学课程节选

Which may take up some arbitrary amount of memory. In that case, I'm back to this problem.

然后将接下来的每一个内存块设置为,指向数组对应元素值的指针。

麻省理工公开课 - 计算机科学及编程导论课程节选