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union
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Category

Type specifiers

Syntax

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    union [<union type name>] {
    <type> <variable names> ;
      ...
    } [<union variables>] ;

Description

Use unions to define variables that share storage space.

The compiler allocates enough storage in a_number to accommodate the largest element in the union.

Unlike a struct, the members of a union occupy the same location in memory. Writing into one overwrites all others.

Use the record selector (.) to access elements of a union .

See Also

class

public

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