Fixed bugs in null device drivers, added zero stream device
[reactos.git] / reactos / drivers / dd / null / null.h
1 /* $Id: null.h,v 1.1 2002/04/29 23:06:42 hyperion Exp $
2 *
3 * COPYRIGHT: See COPYING in the top level directory
4 * PROJECT: ReactOS kernel
5 * FILE: services/dd/null/null.h
6 * PURPOSE: NULL device driver internal definitions
7 * PROGRAMMER: KJK::Hyperion <noog@libero.it>
8 * UPDATE HISTORY:
9 * 29/04/2002: Created
10 */
11
12 typedef enum __tagNULL_EXTENSION{
13 NullBitBucket,
14 NullZeroStream,
15 } NULL_EXTENSION, *PNULL_EXTENSION;
16
17 #define NULL_DEVICE_TYPE(__DEVICE__) (*((PNULL_EXTENSION)((__DEVICE__)->DeviceExtension)))
18
19 /* EOF */