So it does that for us so that you can get away with just knowing the address of the first byte and it will make sure that you know when to stop by including the special value so, in fact, get the string if you type in a three-letter word, we allocate four bytes no matter what because we need an additional byte 0 for this special sentinel value back slash zero at the very end.

它为我们做了这些事情，这样我们就可以,通过第一个字节的地址,它还可以通过包含一个特殊的值,来保证在哪里停止，如果你输入了一个三个字母的单词,就可以获得那个字符串，不管怎样，我们分配四个字节,因为我们在末端需要一个额外的字节,来保存这个特殊的标志值--反斜杠。

哈佛公开课 - 计算机科学课程节选

Well I've been taking this course or I've been part of this course for the last three years so every years 0 at Harvard I've been part of CS50 and it's a really special class or organization to be a part of-- really a family and I think Cansu will talk a little bit about that.

在过去的三年里,我一直在学习这门课程,所以，每年我都是哈佛大学CS50课程中的一分子0,这是一门特别的课程,大家就像一家人,我想Cansu会谈谈这一点。

哈佛公开课 - 计算机科学课程节选