Which of the following is a User-defined data type?

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C Language : Structure and Union

Which of the following is a User-defined data type?

A. typedef int Boolean;

B. typedef enum {Mon, Tue, Wed, Thu, Fri} Workdays;

C. struct {char name[10], int age};

D. all of the mentioned

Solution

D. all of the mentioned

Explanation

typedef and struct are used to define user-defined data types.