1 /* Copyright (C) 1998-2021 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 <errno.h>
19 #include <stdlib.h>
20 #include <unistd.h>
21 
22 /* Given the file descriptor of a master pty, return the pathname
23    of the associated slave. */
24 
25 char *
ptsname(int fd)26 ptsname (int fd __attribute__ ((unused)))
27 {
28   __set_errno (ENOSYS);
29   return NULL;
30 }
31 
32 int
__ptsname_r(int fd,char * buf,size_t len)33 __ptsname_r (int fd __attribute__ ((unused)),
34 	     char *buf __attribute__ ((unused)),
35 	     size_t len __attribute__ ((unused)))
36 {
37   __set_errno (ENOSYS);
38   return ENOSYS;
39 }
40 libc_hidden_def (__ptsname_r)
41 weak_alias (__ptsname_r, ptsname_r)
42 
43 stub_warning(ptsname)
44 stub_warning(ptsname_r)
45