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April, 26th. 2006:
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CTERMID
Section: Linux Programmer's Manual (3)
Updated: 2007-07-26
Index
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NAME
ctermid - get controlling terminal name
SYNOPSIS
#include <stdio.h>
char *ctermid(char *s);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
ctermid():
_POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_SOURCE
DESCRIPTION
ctermid()
returns a string which is the pathname for the current
controlling terminal for this process.
If
s
is NULL,
a static buffer is used, otherwise
s
points to a buffer used to hold the terminal pathname.
The symbolic constant
L_ctermid
is the maximum number of characters in the returned pathname.
RETURN VALUE
The pointer to the pathname.
CONFORMING TO
Svr4, POSIX.1-2001.
BUGS
The path returned may not uniquely identify the controlling
terminal; it may, for example, be
/dev/tty.
It is not assured that the program can open the terminal.
SEE ALSO
ttyname(3)
COLOPHON
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- CONFORMING TO
-
- BUGS
-
- SEE ALSO
-
- COLOPHON
-
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