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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.bugs.usg
Subject: Re: bug in System Vr2 volcopy(1M)
Message-ID: <8407@brl-tgr.ARPA>
Date: Thu, 21-Feb-85 12:46:52 EST
Article-I.D.: brl-tgr.8407
Posted: Thu Feb 21 12:46:52 1985
Date-Received: Tue, 26-Feb-85 06:06:06 EST
References: <1169@aecom.UUCP>
Distribution: net
Organization: Ballistic Research Lab
Lines: 8

> ...  I see no apparent fix, since the System V tape driver does
> not have ioctl calls to skip around the tape with.

On UNIX System V one does not need ioctls to position the tape.
</dev/mt/whatever	does a file skip, if non-rewinding device,
			otherwise rewinds.
read() can be used to do a block skip in the rare case that it's
needed.