Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!lll-winken!uunet!vsi!friedl
From: friedl@vsi.COM (Stephen J. Friedl)
Newsgroups: comp.unix.wizards
Subject: Re: Reading from stderr
Message-ID: <1094@vsi.COM>
Date: 15 Apr 89 17:26:13 GMT
References: <5437@lynx.UUCP> <508@visdc.UUCP>
Distribution: na
Organization: V-Systems, Inc. -- Santa Ana, CA
Lines: 17

In article <508@visdc.UUCP>, jiii@visdc.UUCP (John E Van Deusen III) writes:
> Since file
> descriptors 0, 1, and 2 are all opened with oflag set to O_RDWR, and
> stderr is unbuffered, there shouldn't be any reason why you couldn't
> read from fildes 2.

An expansion here: stdin, stdout, and stderr are not opened independantly.
the terminal device is opened and the resulting fildes is dup-ed twice
to yield stdout and stderr.

     Steve

-- 
Stephen J. Friedl / V-Systems, Inc. / Santa Ana, CA / +1 714 545 6442 
3B2-kind-of-guy   / friedl@vsi.com  / {attmail, uunet, etc}!vsi!friedl

"I'm making a fashion statement: I'm saying I don't know how to dress." - me