pLostBlock 指向该链表的最后一个内存块。

The pLostBlock points to the linked list's last memory block.

youdao

endPoint记录最后一个内存块中第一个空闲字节的偏移位置。

The endPoint records the first free byte's offset location into the last memory block.

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startPoint 记录第一个内存块中第一个字节的偏移位置。

The startPoint records the first byte's offset location into the first memory block.

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It turns out that slightly before the stack, slightly before this conceptual chunk of memory, there's other things called environment variables that we may see over time but elsewhere in memory are other things.

结果是稍微在堆之前，稍微在这个内存块概念之前，另外还一个东西叫做环境变量,我们之后可能看到，内存中的其他地方,是其他的东西。

哈佛公开课 - 计算机科学课程节选

I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

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