Xref: utzoo comp.lang.c:21336 comp.lang.c++:4512
Path: utzoo!utgpu!watmath!att!dptg!rutgers!gatech!ncar!ico!ism780c!haddock!karl
From: karl@haddock.ima.isc.com (Karl Heuer)
Newsgroups: comp.lang.c,comp.lang.c++
Subject: Re: ttyname() - question
Message-ID: <14481@haddock.ima.isc.com>
Date: 31 Aug 89 00:48:39 GMT
References: <99@lkbpyr.UUCP> <1088@virtech.UUCP>
Reply-To: karl@haddock.ima.isc.com (Karl Heuer)
Organization: Interactive Systems, Cambridge, MA 02138-5302
Lines: 7

In article <1088@virtech.UUCP> cpcahil@virtech.UUCP (Conor P. Cahill) writes:
>Of course if the user redirects all three, you're out of luck (unless you
>open /dev/tty and then call ttyname() with the fd returned from the open).

In which case you'll probably (depending on flavor) get the return string
"/dev/tty" rather than the true name of the terminal.  (Assuming the open
succeeds in the first place.  Not every process has a controlling terminal.)