VIOPALSTATE data structure.

typedef struct _VIOPALSTATE {
  USHORT     cb;         /*  Length of this data structure in bytes. */
  USHORT     type;       /*  Request type = 0, get palette registers. */
  USHORT     iFirst;     /*  First palette register to return. */
  USHORT     acolor[1];  /*  Color value palette register. */
} VIOPALSTATE;

typedef   VIOPALSTATE   * PVIOPALSTATE ;