Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!rbj
From: rbj@uunet.UU.NET (Root Boy Jim)
Newsgroups: comp.unix.wizards
Subject: Re: dup2
Message-ID: <122373@uunet.UU.NET>
Date: 11 Feb 91 19:46:50 GMT
References: <27B1CA1C.22559@ics.uci.edu> <15136@smoke.brl.mil>
Organization: UUNET Communications Services, Falls Church, VA
Lines: 16

In article <15136@smoke.brl.mil> gwyn@smoke.brl.mil (Doug Gwyn) writes:
>/*
>	dup2 -- 7th Edition UNIX system call emulation for UNIX System V
>*/

Do you mean that V7 had dup2 but System V doesn't?

And what about systems that don't have fcntl?

BTW, folks, I missed the case where newfd==oldfd. My (mis)reading
of the manual led me to believe that you should get nothing but an error.
In any case, it's a trivial fix.
-- 
	Root Boy Jim Cottrell <rbj@uunet.uu.net>
	I got a head full of ideas
	They're driving me insane