получить имя управляющего терминала (get controlling terminal name)
Имя (Name)
ctermid - get controlling terminal name
Синопсис (Synopsis)
#include <stdio.h>
char *ctermid(char *s);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
ctermid():
_POSIX_C_SOURCE
Описание (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.
Возвращаемое значение (Return value)
The pointer to the pathname.
Атрибуты (Attributes)
For an explanation of the terms used in this section, see
attributes(7).
┌──────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────────────────────────────────┼───────────────┼─────────┤
│ctermid() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
Стандарты (Conforming to)
POSIX.1-2001, POSIX.1-2008, Svr4.
Ошибки (баги) (Bugs)
The returned pathname 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.
Смотри также (See also)
ttyname(3)
