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Path: utzoo!attcan!utgpu!watmath!att!tut.cis.ohio-state.edu!gem.mps.ohio-state.edu!apple!ames!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.lang.c,comp.unix.ultrix
Subject: Re: Type of expression sizeof(x)
Message-ID: <11125@smoke.BRL.MIL>
Date: 21 Sep 89 20:56:31 GMT
References: <256@servio.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 11

In article <256@servio.UUCP> penneyj@servio.UUCP (D. Jason Penney) writes:
>Our conversation with DEC re this bug was extremely unhelpful.  They claim that
>the return type of a sizeof() expression is system-dependent.

Why was that unhelpful?  They're right.  It's not DEC's bug.

AT&T UNIX C compilers changed the type of sizeof from int to unsigned
int many years ago.

The ANSI standard for C will require that the type of sizeof be an
unsigned integral type (so it might be unsigned long on some systems).