Date:	Sat, 29 Apr 2000 10:48:05 -0400
Message-Id:	<200004291448.KAA08365@envy.delorie.com>
From:	DJ Delorie <dj AT delorie DOT com>
To:	djgpp AT delorie DOT com
In-reply-to:	<8eeqgp$bvp$1@plato.wadham.ox.ac.uk>
	(jstacey AT plato DOT wadham DOT ox DOT ac DOT uk)
Subject:	Re: Weird : Segmentation fault on fwrite :(
References:	<956963090 DOT 719428 AT romulus DOT infonie DOT fr> <957001855 DOT 943830 AT romulus DOT infonie DOT fr> <8eef1d$ai7$1 AT plato DOT wadham DOT ox DOT ac DOT uk> <390adf87 DOT 104978688 AT news DOT freeserve DOT net> <8eeqgp$bvp$1 AT plato DOT wadham DOT ox DOT ac DOT uk>
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> that foo[5] is equivalent to 5[foo] has just had me entertaining thoughts
> of the construct &5, which I have yet to rationalize.

The fun construct is XtOffset(), which is like this:

#define XtOffset(type, field) ((int)&(((type *)0)->field))

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