2004-11-03 13:51:07 +00:00
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.\" Copyright (c) 1993 Michael Haardt (michael@moria.de), Fri Apr 2 11:32:09 MET DST 1993
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.\"
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.\" This is free documentation; you can redistribute it and/or
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.\" modify it under the terms of the GNU General Public License as
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.\" published by the Free Software Foundation; either version 2 of
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.\" the License, or (at your option) any later version.
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.\"
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.\" The GNU General Public License's references to "object code"
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.\" and "executables" are to be interpreted as the output of any
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.\" document formatting or typesetting system, including
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.\" intermediate and printed output.
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.\"
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.\" This manual is distributed in the hope that it will be useful,
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.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.\" GNU General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public
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.\" License along with this manual; if not, write to the Free
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.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
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.\" USA.
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.\"
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.\" Modified Sat Jul 24 17:38:23 1993 by Rik Faith (faith@cs.unc.edu)
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.\" Modified Thu Apr 20 20:43:53 1995 by Jim Van Zandt <jrv@vanzandt.mv.com>
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.TH ISATTY 3 1995-04-20 "Linux" "Linux Programmer's Manual"
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.SH NAME
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isatty \- does this descriptor refer to a terminal
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.SH SYNOPSIS
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.ad l
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.nf
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.B #include <unistd.h>
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.sp
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.BI "int isatty(int " desc );
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.fi
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.ad b
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.SH DESCRIPTION
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returns 1 if \fIdesc\fP is an open descriptor connected to a terminal and
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0 else.
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.SH "CONFORMING TO"
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2006-08-03 13:57:30 +00:00
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SVr4, 4.3BSD, POSIX.1-2001.
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2004-11-03 13:51:07 +00:00
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.SH "SEE ALSO"
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.BR fstat (2),
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.BR ttyname (3)
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