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

Number two, pointer dereferencing starts at the pointer and follows its arrow over to access its pointee.

第二，指针非关联化从指针开始,通过它的箭头,来使用它的指针数据。

哈佛公开课 - 计算机科学课程节选

That's just the those-- let me use my pointer that's just these two lines here. I checked the value, and in one case, I'm changing the last to be mid minus 1, which is the case I'm in here and I just call again. All right?

来看看ppt，这里有两条线,我检查了值，在一种情况下,我把last指向了中点减一,就是这种情况,我们再来调用一下怎么样？

麻省理工公开课 - 计算机科学及编程导论课程节选