;;; Returns two values:
;;; - the minutes west of GMT.
;;; - T if daylight savings is in effect, NIL if not.
-(sb!alien:def-alien-routine get-timezone sb!c-call:void
+(sb!alien:define-alien-routine get-timezone sb!c-call:void
(when sb!c-call:long :in)
(minutes-west sb!c-call:int :out)
(daylight-savings-p sb!alien:boolean :out))