1 /* Copyright (C) 1991-2021 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 <sys/ioctl.h>
20 
21 /* Perform the I/O control operation specified by REQUEST on FD.
22    The actual type and use of ARG and the return value depend on REQUEST.  */
23 int
__ioctl(int fd,unsigned long int request,...)24 __ioctl (int fd, unsigned long int request, ...)
25 {
26   __set_errno (ENOSYS);
27   return -1;
28 }
29 stub_warning (ioctl)
30 
31 libc_hidden_def (__ioctl)
32 weak_alias (__ioctl, ioctl)
33