1 /* Copyright (C) 1998-2022 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. */ 27 int __posix_openpt(int oflag)28__posix_openpt (int oflag) 29 { 30 return __open (_PATH_DEVPTMX, oflag); 31 } weak_alias(__posix_openpt,posix_openpt)32weak_alias (__posix_openpt, posix_openpt) 33 34 35 int 36 __getpt (void) 37 { 38 return __posix_openpt (O_RDWR); 39 } 40 libc_hidden_def (__getpt) 41 weak_alias (__getpt, getpt) 42