. (direct Member Selector)

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postfix_expression must be of type union or structure.

identifier must be the name of a member of that structure or union type.


Use the selection operator (.) to access structure and union members.

Suppose that the object s is of struct type S and sptr is a pointer to S. Then, if m is a member identifier of type M declared in S, this expression:


are of type M, and represent the member object m in s.