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From: woods@gpu.utcs.toronto.edu
Newsgroups: comp.lang.c
Subject: Re: zero length array
Message-ID: <1987Feb28.150144.2853@gpu.utcs.toronto.edu>
Date: Sat, 28-Feb-87 15:01:44 EST
Article-I.D.: gpu.1987Feb28.150144.2853
Posted: Sat Feb 28 15:01:44 1987
Date-Received: Sat, 28-Feb-87 17:39:25 EST
References: <4498@brl-adm.ARPA> <1987Feb25.201816.29714@gpu.utcs.toronto.edu> <3808@teddy.UUCP>
Reply-To: woods@gpu.utcs.UUCP (Greg Woods)
Organization: University of Toronto Computing Services
Lines: 12
Keywords: NULL cast portability
Checksum: 57784
Summary: casting NULL in Lattice.


I guess we are getting a little off topic here, but anyway...

I haven't used Lattice in a long time (and I'd rather not), but as far
as I can remember, the casting of zero (0) works, except when used to
reference a structure member, especially in a sizeof() expression:

	sizeof(((struct xyzzy *) 0)->member)

My original article may not have made this clear.

						Greg Woods.