Detecting Mark Williams' redirect

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Article #6743

#6743

From: Bob Rogers
Date: Fri, 08 Dec 1989 15:39

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646 bytes

Does anybody know how I can detect (from within a Mark Williams' C program)
that standard input has been redirected (i.e., I need something like UNIX'
isatty()).

Thanks.
-- 
----
Bob Rogers                    rogers@stpaul.ncr.com  or  rogers@pnet51.cts.com
NCR Comten, St. Paul, MN      GEnie: R.C.ROGERS

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Message-ID: <1777@ncrcce.StPaul.NCR.COM>

Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!ncrlnk!ncrcce!rogers

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!ncrlnk!ncrcce!rogers
From: rogers@ncrcce.StPaul.NCR.COM (Bob Rogers)
Newsgroups: comp.sys.atari.st
Subject: Detecting Mark Williams' redirect
Message-ID: <1777@ncrcce.StPaul.NCR.COM>
Date: 8 Dec 89 15:39:46 GMT
Organization: NCR Comten, Inc.
Lines: 9