PRODUCTDATA

typedef struct _PRODUCTDATA {
  ULONG         packet_size;
  ULONG         packet_revision_number;
  PVOID         DMI_vendor_tag;
  PVOID         DMI_tag;
  PVOID         DMI_revision;
} PRODUCTDATA;

typedef   PRODUCTDATA   * PPRODUCTDATA ;

Use   appropriate   packet _ revision _ number   to   indicate   whether   character
data   in   the   parameter   packet   is   in   UniCode   or   ASCII   format .