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/* sys/ioctl.h
Copyright 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* sys/ioctl.h */
#ifndef _SYS_IOCTL_H
#define _SYS_IOCTL_H
#include <sys/cdefs.h>
#include <sys/termios.h>
__BEGIN_DECLS
/* /dev/windows ioctls */
#define WINDOWS_POST 0 /* Set write() behavior to PostMessage() */
#define WINDOWS_SEND 1 /* Set write() behavior to SendMessage() */
#define WINDOWS_HWND 2 /* Set hWnd for read() calls */
/* Some standard linux defines */
#define _IOC_NRBITS 8
#define _IOC_TYPEBITS 8
#define _IOC_SIZEBITS 14
#define _IOC_DIRBITS 2
#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
#define _IOC_NRSHIFT 0
#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
#define _IOC_NONE 0U
#define _IOC_WRITE 1U
#define _IOC_READ 2U
#define _IOC(dir,type,nr,size) \
(((dir) << _IOC_DIRSHIFT) | \
+ ((type) << _IOC_TYPESHIFT) | \
+ ((nr) << _IOC_NRSHIFT) | \
+ ((size) << _IOC_SIZESHIFT))
#define _LINUX_IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
#define _LINUX_IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
#define _LINUX_IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
#define _LINUX_IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
#ifdef __USE_LINUX_IOCTL_DEFS
# define _IO _LINUX_IO
# define _IOR _LINUX_IOR
# define _IOW _LINUX_IOW
# define _IOWR _LINUX_IOWR
#endif /*__USE_LINUX_IOCTL_DEFS */
int __cdecl ioctl (int __fd, int __cmd, ...);
__END_DECLS
#endif
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