USERCAPSIN

Information structure used for GHI_CMD_USERCAPS and VMI_CMD_USERCAPS 
functions. 

typedef struct _USERCAPSIN {
  ULONG     ulLength;    /*  Length of the USERCAPSIN structure in bytes. */
  ULONG     ulFunction;  /*  Specifies the QUERYCAPS, QUERYCAPSLIST, or SETCAPS subfunctions. */
  ULONG     ulSize;      /*  Length, in bytes, of buffer area. */
} USERCAPSIN;

typedef USERCAPSIN *PUSERCAPSIN;