CTERMID
Section: Linux Programmer's Manual (3)Updated: 2016-03-15
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NAME
ctermid - get controlling terminal nameSYNOPSIS
#include <stdio.h> char *ctermid(char *s);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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.ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).Interface | Attribute | Value |
ctermid() | Thread safety | MT-Safe |
CONFORMING TO
POSIX.1-2001, POSIX.1-2008, Svr4.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
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Time: 04:45:52 GMT, September 16, 2022
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