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Path: utzoo!henry
From: henry@utzoo.UUCP (Henry Spencer)
Newsgroups: net.lang.c
Subject: Re: iscntrl() (more history)
Message-ID: <4962@utzoo.UUCP>
Date: Sat, 19-Jan-85 19:41:53 EST
Article-I.D.: utzoo.4962
Posted: Sat Jan 19 19:41:53 1985
Date-Received: Sat, 19-Jan-85 19:41:53 EST
References: <1161@ut-ngp.UUCP> <6932@brl-tgr.ARPA> <6274@boring.UUCP>, <1029@opus.UUCP>
Organization: U of Toronto Zoology
Lines: 16

> > >I wonder how ANYone could have decided that e.g. LF is NOT a control
> > >character?  (I'm sure the 4.2BSD fans will think that makes sense!)
> > 
> > This was already in the original v7 ctype.h...
> 
> NO, the mistake was not in the original v7 ctype.h (or, more precisely,
> ctype_.c).  I was made painfully aware of the fact by a program which
> broke when I moved from V7 to 4.1.

Strange...  Our V7 definitely thinks iscntrl('\n') == 0.  And ours is
pretty much straight off the Bell distribution tape; I did our V6-V7
conversion and can attest to this.  We've certainly never messed with
ctype_.c -- I just checked.  What was the history of your V7?
-- 
				Henry Spencer @ U of Toronto Zoology
				{allegra,ihnp4,linus,decvax}!utzoo!henry