题目内容

The -> operator has a higher priority than the increment operator.

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The declaration for a union is identical in form to a structure declaration, with the reserved word union used in place of the reserved word struct.

When working with unions, typically a second variable keeps track of the current data type stored in the union.

A ____ statement provides a simple method for creating a new and typically shorter name for an existing structure type.

A. #define
B. typedef
C. set
D. union

If you have declared a structure named Date, you can then make the name DATE a synonym for the terms struct Date, by using the statement ____.

A. typedef struct Date DATE;
B. typedef DATE struct Date;
C. #define struct Date DATE
D. #define DATE struct Date