SML#でCのlocaltimeをつかおうと思ったら出たエラー

error

val f = _import "localtime": int array -> time;の場合

(interactive):31.51-31.54 Error:
  (type inference 003) not an interoperable type: {day: int,
                                                   dst: int,
                                                   hour: int,
                                                   min: int,
                                                   mon: int,
                                                   sec: int,
                                                   wday: int,
                                                   yday: int,
                                                   year: int}

val f = _import "localtime": int array -> int * int * int * int * int * int * int * int * int;の場合

(interactive):31.51-31.85 Error:
  (type inference 002) not an interoperable type: {
    1 : int,
    2 : int,
    3 : int,
    4 : int,
    5 : int,
    6 : int,
    7 : int,
    8 : int,
    9 : int
  }