Path: utzoo!attcan!uunet!dg!lewine
From: lewine@dg.dg.com (Don Lewine)
Newsgroups: comp.std.c
Subject: Re: Order of allocation of fields in a struct?
Message-ID: <521@dg.dg.com>
Date: 14 Jun 90 16:11:53 GMT
References: <1563@diemen.cc.utas.oz>
Reply-To: uunet!dg!lewine (Don Lewine)
Organization: Data General, Westboro, MA.
Lines: 19

In article <1563@diemen.cc.utas.oz> charles@tasis.eecs.utas.edu.au (Charles Lakos) writes:
>I wonder if the C standard says anything about the order of allocation of 
>memory to fields of a struct.
	Yes.  See section 3.1.2.5 and section 3.5.2.1 which says, "Within 
	a structure object ... members have addresses that increase in the
	order that they are declared.  ... There may be unnamed holes within
	a structure, but not at its beginning, as necessary to achieve the
	appropriate alignment."


>Can I then access the fields of v2 in the following way:
>  (t1 *) p -> b

	Yes.

Donald Lewine
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