Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!lll-winken!uwm.edu!bionet!agate!usenet.ins.cwru.edu!ncoast!allbery
From: allbery@NCoast.ORG (Brandon S. Allbery KB8JRR/AA)
Newsgroups: comp.unix.wizards
Subject: Re: dup2() system call
Message-ID: <1991Apr20.174307.20637@NCoast.ORG>
Date: 20 Apr 91 17:43:07 GMT
References: <85@morwyn.UUCP>
Reply-To: allbery@ncoast.ORG (Brandon S. Allbery KB8JRR/AA)
Followup-To: comp.unix.wizards
Organization: North Coast Public Access Un*x (ncoast)
Lines: 20

As quoted from <85@morwyn.UUCP> by forrie@morwyn.UUCP (Forrie Aldrich):
+---------------
| Well, for reference's sake, here's another version that I caught off the net
| a little while ago... hope it helps.
+---------------

(Doug Gwyn's dup2() omitted)

Reference's sake, yes --- but that was one that got some remarks about
differing errno values.  (Which is why I had that remark in my comments.)

For almost every use of dup2() I've ever encountered, the macro does the job.
If you absolutely NEED 100% V7 compatibility, use Doug's by all means.

++Brandon
-- 
Me: Brandon S. Allbery			  Ham: KB8JRR/AA on 2m, 220, 440, 1200
Internet: allbery@NCoast.ORG		(QRT on HF until local problems fixed)
America OnLine: KB8JRR // Delphi: ALLBERY   AMPR: kb8jrr.AmPR.ORG [44.70.4.88]
uunet!usenet.ins.cwru.edu!ncoast!allbery          KB8JRR @ WA8BXN.OH