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/* Copyright (C) 1991, 92, 93, 94, 96, 98, 99 Free Software Foundation, Inc. This file is part of the GNU C Library. 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/>. */ #ifndef _SYS_IOCTL_H #define _SYS_IOCTL_H 1 #include <features.h> __BEGIN_DECLS /* Get the list of `ioctl' requests and related constants. */ #include <bits/ioctls.h> /* Define some types used by `ioctl' requests. */ #include <bits/ioctl-types.h> /* On a Unix system, the system <sys/ioctl.h> probably defines some of the symbols we define in <sys/ttydefaults.h> (usually with the same values). The code to generate <bits/ioctls.h> has omitted these symbols to avoid the conflict, but a Unix program expects <sys/ioctl.h> to define them, so we must include <sys/ttydefaults.h> here. */ #include <sys/ttydefaults.h> /* Perform the I/O control operation specified by REQUEST on FD. One argument may follow; its presence and type depend on REQUEST. Return value depends on REQUEST. Usually -1 indicates error. */ extern int ioctl (int __fd, unsigned long int __request, ...) __THROW; __END_DECLS #endif /* sys/ioctl.h */