Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!motcsd!hpda!hpcuhb!hp-ses!hpbbn!hpbbse!bbausch
From: bbausch@hpbbse.HP.COM (Bernd Bausch)
Newsgroups: comp.unix.questions
Subject: Re: How do I detect output redirection?
Message-ID: <5370001@hpbbse.HP.COM>
Date: 26 Jun 89 20:15:50 GMT
References: <26942@beta.lanl.gov>
Organization: HP Boeblingen, Germany
Lines: 8


	Try the fstat system call.
	It returns information about a file, given a file descriptor.
	If you want to see whether two files are identical, check their
	device and inode number. I don't know how this works under NFS,
	though.

	Bernd.