Leaked source code of windows server 2003
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) 1990-1999 Microsoft Corporation
Module Name:
ntddfs.h
Abstract:
This is the include file that defines all constants and types for accessing the File system device.
Author:
Steve Wood (stevewo) 27-May-1990
Revision History:
--*/
#ifndef _NTDDFS_
#define _NTDDFS_
#if _MSC_VER > 1000
#pragma once
#endif
//
// Device Name - this string is the name of the device. It is the name
// that should be passed to NtOpenFile when accessing the device.
//
// Note: For devices that support multiple units, it should be suffixed
// with the Ascii representation of the unit number.
//
#define DD_FS_DEVICE_NAME "\\Device\\UNKNOWN"
//
// NtDeviceIoControlFile IoControlCode values for this device.
//
// Warning: Remember that the low two bits of the code specify how the
// buffers are passed to the driver!
//
#define IOCTL_FS_BASE FILE_DEVICE_DISK_FILE_SYSTEM
//
// NtDeviceIoControlFile InputBuffer/OutputBuffer record structures for
// this device.
//
#endif // _NTDDFS_
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