Xref: utzoo comp.unix.questions:15904 comp.lang.c:21127
Path: utzoo!attcan!uunet!cs.utexas.edu!csd4.csd.uwm.edu!mailrus!iuvax!purdue!haven!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.questions,comp.lang.c
Subject: Re: moving upper case names to lower case -- Followups to comp.unix.questions
Message-ID: <10809@smoke.BRL.MIL>
Date: 24 Aug 89 17:57:31 GMT
References: <20672@adm.BRL.MIL> <9326@chinet.chi.il.us> <2336@oakhill.UUCP> <CLINE.89Aug23151847@sun.clarkson.edu>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 9

In article <CLINE.89Aug23151847@sun.clarkson.edu> cline@sun.soe.clarkson.edu (Marshall Cline) writes:
>In article <2336@oakhill.UUCP> stevenw@oakhill.UUCP (Steven Weintraub) writes:
>>I should point out there is a risk in using tolower like this.  Some
>>machines define tolower as ((c)-'A'+'a') (like some sun systems).
>The Gould UTX systems also do this ------------------

Basically, it's that way in BSD environments (evolved from 7th Ed. UNIX).
Both SunOS and UTX/32 have System V environments available, in which
tolower() behaves the way required by the C standard.