Xref: utzoo comp.lang.c:6508 comp.sys.m68k:674
Path: utzoo!utgpu!water!watmath!clyde!rutgers!mit-eddie!husc6!cmcl2!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.lang.c,comp.sys.m68k
Subject: Re: C machine
Message-ID: <7147@brl-smoke.ARPA>
Date: 21 Jan 88 15:33:38 GMT
References: <461@auvax.UUCP> <9961@mimsy.UUCP> <166@teletron.UUCP> <6936@brl-smoke.ARPA> <147@ateng.UUCP> <39aca826.7f32@apollo.uucp> <7092@brl-smoke.ARPA> <708@umbc3.UMD.EDU> <7109@brl-smoke.ARPA> <712@umbc3.UMD.EDU> <155@ateng.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 12

In article <155@ateng.UUCP> chip@ateng.UUCP (Chip Salzenberg) writes:
>In the beginning, gwyn@brl.arpa (Doug Gwyn) wrote:
>>Second, the result of the subtraction necessarily has implementation-
>>defined signed integral type; there is a typedef ptrdiff_t in <stddef.h>.
          ^^^^^^
>But Doug did not mention whether ptrdiff_t is a signed or unsigned type.

See ^^^^^^ above.

>Repeat after me:  "Not all C programs run on 32-bit architectures."

That's for sure.  Some of mine run on 64-bit architectures.