## MMPM/2 Device Driver Reference

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### AUDIO_CONTROL (42h) - Pointer to structure

Pointer to structure The data packet parameter is a pointer to the following data structure.

    typedef struct _MCI_AUDIO_CONTROL {
      USHORT       usIOCtlRequest;
      VOID        *pbRequestInfo;
      ULONG        ulPosition;
      SHORT        sReturnCode;
    } MCI_AUDIO_CONTROL;

    typedef   MCI _ AUDIO _ CONTROL   FAR   * LPMCI _ AUDIO _ CONTROL