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Path: utzoo!linus!philabs!seismo!harpo!floyd!clyde!ihnp4!ihldt!jhh
From: jhh@ihldt.UUCP (John Haller)
Newsgroups: net.lang.c
Subject: Re: Question about toupper and tolower
Message-ID: <2097@ihldt.UUCP>
Date: Thu, 10-Nov-83 10:45:44 EST
Article-I.D.: ihldt.2097
Posted: Thu Nov 10 10:45:44 1983
Date-Received: Sat, 12-Nov-83 06:30:18 EST
References: <1764@fortune.UUCP>
Organization: AT&T Bell Labs, Naperville, Il
Lines: 2

In System V, toupper and tolower work as you desire.
This is all defined in CONV(3C).