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Article #1755Re: How can a program check to see if user is on console?
From: Sean Lamont
Date: Wed, 27 Jan 1993 00:55
Date: Wed, 27 Jan 1993 00:55
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1344 bytes
In article <7466@ucsbcsl.ucsb.edu> doug@foxtrot.ccmrc.ucsb.edu (Douglas Scott) writes: >I am writing some C code which needs to check to see if the user is logged >onto the console (i.e., any tty, as long as the user is sitting at the >console). > >What is the easiest way to check to see if this is true? > >Thanks in advance. I don't know if this is the easiest, but you can read the user/tty pairs from /etc/utmp. -- Sean T. Lamont | "Don't oppress me, It's zeno@genetics.washington.edu | 'computer of color!' " lamont@abstractsoft.com |_______________________________ Abstract Software
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Path: arc1-ca.pugleaf.net!sparky!uunet!tcsi.com!iat.holonet.net!news.cerf.net!usc!howland.reston.ans.net!zaphod.mps.ohio-state.edu!saimiri.primate.wisc.edu!usenet.coe.montana.edu!news.u.washington.edu!phylo.genetics.washington.edu!zeno From: zeno@phylo.genetics.washington.edu (Sean Lamont) Newsgroups: comp.sys.next.software Subject: Re: How can a program check to see if user is on console? Date: 27 Jan 1993 00:55:56 GMT Organization: University of Washington, Seattle Lines: 20 Message-ID: <1k4misINNnke@shelley.u.washington.edu> References: <7466@ucsbcsl.ucsb.edu> NNTP-Posting-Host: phylo.genetics.washington.edu