From:	Eric Amick <eamick AT clark DOT net>
Subject:	Re: How do I initialize a union?
Newsgroups:	comp.os.msdos.djgpp,comp.lang.c
References:	<7secmg$8nd$1 AT solomon DOT cs DOT rose-hulman DOT edu>
Organization:	the end of my rope
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Date:	Fri, 24 Sep 1999 02:27:25 GMT
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In comp.lang.c Damian Yerrick <web DOT poison AT pineight DOT 8m DOT com> wrote:

> typedef union Foo
> {
>   void *data;
>   Boxers trunks;
> } Foo;

> Foo bar;

> How do I set up a declaration that defines an initial value for
> bar.data or bar.trunks?

If you mean an actual initializer, it has to be for the first element
declared in the union:

Foo bar = {NULL};

If you want to set data sometimes and trunks other times, you'll have to
use an assignment.

-- 
Eric Amick
Columbia, MD
eamick AT clark DOT net

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