1/* Copyright (C) 1998-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <fcntl.h>
19#include <unistd.h>
20#include <paths.h>
21#include <stdlib.h>
22
23/* Path to the master pseudo terminal cloning device. */
24#define _PATH_DEVPTMX _PATH_DEV "ptmx"
25
26/* Open a master pseudo terminal and return its file descriptor. */
27int
28__posix_openpt (int oflag)
29{
30 return __open (_PATH_DEVPTMX, oflag);
31}
32weak_alias (__posix_openpt, posix_openpt)
33
34
35int
36__getpt (void)
37{
38 return __posix_openpt (O_RDWR);
39}
40libc_hidden_def (__getpt)
41weak_alias (__getpt, getpt)
42