PALETTEDATA

The PALETTEDATA data structure contains information on the palette 
registers. 

typedef struct _PALETTEDATA {
  ULONG     ulPalCount;    /*  Specifies the number of bPaletteData entries that follow. */
  ULONG     ulPalStart;    /*  Start index for data. */
  BYTE      bPaletteData;  /*  One byte is allocated; start of palette. */
} PALETTEDATA;

typedef PALETTEDATA *FAR *PPALETTEDATA;