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Annotation of ntddk/src/mmedia/inc/ntddsnd.h, revision 1.1.1.1

1.1       root        1: /*++ BUILD Version: 0001    // Increment this if a change has global effects
                      2: 
                      3: Copyright (c) 1990-1993  Microsoft Corporation
                      4: 
                      5: Module Name:
                      6: 
                      7:     ntddsnd.h
                      8: 
                      9: Abstract:
                     10: 
                     11:     This is the include file that defines all the common
                     12:     constants and types for sound devices.
                     13: 
                     14: Author:
                     15: 
                     16:     Nigel Thompson (NigelT) 17-May-91
                     17: 
                     18: Revision History:
                     19: 
                     20: --*/
                     21: 
                     22: #ifndef _NTDDSND_
                     23: #define _NTDDSND_
                     24: 
                     25: //
                     26: // Define the IOCTL base values for sound devices and each class
                     27: // of sound device
                     28: //
                     29: 
                     30: #define IOCTL_SOUND_BASE                  FILE_DEVICE_SOUND
                     31: #define IOCTL_WAVE_BASE 0x0000
                     32: #define IOCTL_MIDI_BASE 0x0080
                     33: 
                     34: //
                     35: // Define some useful limits
                     36: //
                     37: 
                     38: #define SOUND_MAX_DEVICE_NAME 80    // BUGBUG this is a wild guess
                     39: #define SOUND_MAX_DEVICES     100   // Max no of devices of a given type
                     40: #endif // _NTDDSND_

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