modernc.org/cc@v1.0.1/v2/headers/linux_386/usr/include/i386-linux-gnu/sys/ioctl.h (about)

     1  /* Copyright (C) 1991-2018 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     <http://www.gnu.org/licenses/>.  */
    17  
    18  #ifndef	_SYS_IOCTL_H
    19  #define	_SYS_IOCTL_H	1
    20  
    21  #include <features.h>
    22  
    23  __BEGIN_DECLS
    24  /* Get the list of `ioctl' requests and related constants.  */
    25  #include <bits/ioctls.h>
    26  /* Define some types used by `ioctl' requests.  */
    27  #include <bits/ioctl-types.h>
    28  /* On a Unix system, the system <sys/ioctl.h> probably defines some of
    29     the symbols we define in <sys/ttydefaults.h> (usually with the same
    30     values).  The code to generate <bits/ioctls.h> has omitted these
    31     symbols to avoid the conflict, but a Unix program expects <sys/ioctl.h>
    32     to define them, so we must include <sys/ttydefaults.h> here.  */
    33  #include <sys/ttydefaults.h>
    34  /* Perform the I/O control operation specified by REQUEST on FD.
    35     One argument may follow; its presence and type depend on REQUEST.
    36     Return value depends on REQUEST.  Usually -1 indicates error.  */
    37  extern int ioctl(int __fd, unsigned long int __request, ...) __THROW;
    38  
    39  __END_DECLS
    40  #endif				/* sys/ioctl.h */