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/*  null.h
 *
 *  Null device driver, derived from rtems' stub driver.
 *
 *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  $Id: null.h,v 1.2 2001-09-27 12:01:32 chris Exp $
 */
 
#ifndef __NULL_DRIVER_h
#define __NULL_DRIVER_h
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define DEVNULL_DRIVER_TABLE_ENTRY \
  { null_initialize, null_open, null_close, null_read, \
    null_write, null_control }
 
#define NULL_SUCCESSFUL RTEMS_SUCCESSFUL
 
rtems_device_driver null_initialize(
  rtems_device_major_number,
  rtems_device_minor_number,
  void *
);
 
rtems_device_driver null_open(
  rtems_device_major_number,
  rtems_device_minor_number,
  void *
);
 
rtems_device_driver null_close(
  rtems_device_major_number,
  rtems_device_minor_number,
  void *
);
 
rtems_device_driver null_read(
  rtems_device_major_number,
  rtems_device_minor_number,
  void *
);
 
rtems_device_driver null_write(
  rtems_device_major_number,
  rtems_device_minor_number,
  void *
);
 
rtems_device_driver null_control(
  rtems_device_major_number,
  rtems_device_minor_number,
  void *
);
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */