It's hard to answer questions and whatnot and you don't necessarily have access to the same tools unless you yourself go through the process of configuring your machine manually by following many long sequences of steps.

所以很难说会出现什么情况,你们不能,用同一台机器，除非你们自己按照一系列,冗长的步骤手工配置,你们自己的电脑。

哈佛公开课 - 计算机科学课程节选

When you declare a pointer yourself manually, you do say char * the variable name because recall that's the same thing that we did earlier but we called it instead string.

当你手动声明一个指针是，你可以说char，*，变量名字,因为那是我早些时候做的事情,但是我们叫它为字符串。

哈佛公开课 - 计算机科学课程节选