假和真正是C ++的关键字，所以你不能把它们作为枚举的标识符。

false and true are C++ keywords, so you can't use them as enum identifiers.

在C他们不是关键字，让您的code将工作，但如果包括＆LT; stdbool.h＆GT; 那么它将无法编译，因为头定义假和真正为宏。

In C they are not keywords so your code will work, but if you include <stdbool.h> then it will fail to compile because that header defines false and true as macros.

请注意，你可能不应该实现一个布尔类型自己。 C ++已经拥有了布尔类型，如果您使用的是C99编译器，你可以包括 stdbool.h 。这会给你一个布尔类型且具有假和真正值，类似于C ++。

Note that you probably shouldn't implement a boolean type yourself. C++ already has the bool type, and if you are using a C99 compiler, you can include stdbool.h. This will give you a bool type that has false and true values, similar to C++.