.\" Copyright (c) 1993 by Thomas Koenig (ig25@rz.uni-karlsruhe.de)
.\"
+.\" %%%LICENSE_START(VERBATIM)
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
-.\" License.
+.\" %%%LICENSE_END
+.\"
.\" Modified Sat Jul 24 19:51:06 1993 by Rik Faith (faith@cs.unc.edu)
-.TH CTERMID 3 2007-07-26 "GNU" "Linux Programmer's Manual"
+.TH CTERMID 3 2013-07-04 "GNU" "Linux Programmer's Manual"
.SH NAME
ctermid \- get controlling terminal name
.SH SYNOPSIS
The symbolic constant
.B L_ctermid
is the maximum number of characters in the returned pathname.
-.SH "RETURN VALUE"
+.SH RETURN VALUE
The pointer to the pathname.
-.SH "CONFORMING TO"
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR ctermid ()
+function is thread-safe with exceptions.
+It is not thread-safe if called with a NULL parameter.
+.SH CONFORMING TO
Svr4, POSIX.1-2001.
.SH BUGS
The path returned may not uniquely identify the controlling
It is not assured that the program can open the terminal.
.\" in glibc 2.3.x, x >= 4, the glibc headers threw an error
.\" if ctermid() was given an argument; fixed in 2.4.
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR ttyname (3)
+.SH COLOPHON
+This page is part of release 3.65 of the Linux
+.I man-pages
+project.
+A description of the project,
+and information about reporting bugs,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.