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From: dick@cs.vu.nl (Dick Grune)
Newsgroups: comp.lang.c
Subject: Re: union initialization
Message-ID: <827@tjalk.cs.vu.nl>
Date: Mon, 4-May-87 10:13:32 EDT
Article-I.D.: tjalk.827
Posted: Mon May  4 10:13:32 1987
Date-Received: Tue, 5-May-87 03:30:39 EDT
References: <3290@burdvax.PRC.Unisys.COM> <1722@plus5.UUCP> <455@haddock.UUCP> <6483@mimsy.UUCP> <881@wjvax.wjvax.UUCP>
Reply-To: dick@cs.vu.nl (Dick Grune)
Organization: VU Informatica, Amsterdam
Lines: 17

A union looks like a struct, acts like a struct and quacks like a struct,
except that only one member can be initialized at any one given time. So
by analogy, a strong force in the universe:

union {
	int i;
	char ch1;
	char ch2;
} = {, 'X', };		/* which initializes the ch1 */

					Dick Grune
					Vrije Universiteit
					de Boelelaan 1081
					1081 HV  Amsterdam
					the Netherlands
					dick@cs.vu.nl
					...!mcvax!vu44!dick