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ctermid(3) [debian man page]

CTERMID(3)						     Linux Programmer's Manual							CTERMID(3)

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 charac- ters 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 3.44 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/. GNU
2007-07-26 CTERMID(3)

Check Out this Related Man Page

CTERMID(3)						     Linux Programmer's Manual							CTERMID(3)

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 charac- ters 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 3.25 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/. GNU
2007-07-26 CTERMID(3)
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