Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!purdue!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: forward references in typedefs (puzzling)
Message-ID: <10591@smoke.BRL.MIL>
Date: 23 Jul 89 10:51:26 GMT
References: <55480@tut.cis.ohio-state.edu> <1196@cbnewsl.ATT.COM> <11341@cit-vax.Caltech.Edu>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 7

In article <11341@cit-vax.Caltech.Edu> wen-king@cit-vax.UUCP (Wen-King Su) writes:
-I have often wondered about this.  Is it legal?  Since pointers for
-different data objects are not required to have the same binary format
-or even storage size, how would a compiler allocate space and initialize
-a pointer of an unknown type?

All pointers-to-structures have the same size, that's how.