/* Copyright (C) 1998-2014 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <stdlib.h> #include <errno.h> /* Given a fd on a master pseudoterminal, clear a kernel lock so that the slave can be opened. This is to avoid a race between opening the master and calling grantpt() to take possession of the slave. */ int unlockpt (fd) int fd __attribute__ ((unused)); { __set_errno (ENOSYS); return -1; } stub_warning (unlockpt)