Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!husc6!yale!spolsky-joel
From: spolsky-joel@CS.YALE.EDU (Joel Spolsky)
Newsgroups: comp.lang.c
Subject: Re: getting users' tty # into a C program
Message-ID: <52746@yale-celray.yale.UUCP>
Date: 5 Mar 89 22:42:15 GMT
References: <441@lakesys.UUCP> <9794@smoke.BRL.MIL>
Sender: root@yale.UUCP
Reply-To: spolsky-joel@CS.YALE.EDU (Joel Spolsky)
Organization: Yale University Computer Science Dept, New Haven CT  06520-2158
Lines: 16

In article <9794@smoke.BRL.MIL> gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>) writes:
>In article <441@lakesys.UUCP> davek@lakesys.UUCP (Dave Kraft) writes:
>>I am writing a C program that need a user's tty number (i.e. tty3A).  Is there
>>any internal/external function that can accomplish this?
>
>Most UNIX systems have a ttyname() library function for doing this.


failing that try fd=popen("tty"); fscanf(fd,"%s",ttyname); close(fd)


+----------------+----------------------------------------------------------+
|  Joel Spolsky  | bitnet: spolsky@yalecs.bitnet     uucp: ...!yale!spolsky |
|                | internet: spolsky@cs.yale.edu     voicenet: 203-436-1483 |
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                                                      #include <disclaimer.h>