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。

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> Okay. Well, I see the two pointers, but they don't seem to be pointing to anything.

>，好的，呃，我看到那两个指针，但是他们好像,没有指向任何东西。

哈佛公开课 - 计算机科学课程节选

> Okay. This code allocates two pointers which can point to integers.

>，好的，这段代码分配两个指针,可以指向整型数。

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I have to change the prototype of this function to say that swap no longer takes an int per se or another int per se, but rather it takes two pointers, two ints, and in fact, it's on the very last page if you're still flipping.

我改变了这个函数的原型,来说明swap不再携带那两个int数本身，而是携带两个指针，两个整型数指针，实际上，它是在最后那页上。

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