Function AEGetEventHandler 

pub unsafe extern "C-unwind" fn AEGetEventHandler(
    the_ae_event_class: AEEventClass,
    the_ae_event_id: AEEventID,
    handler: *mut AEEventHandlerUPP,
    handler_refcon: *mut *mut c_void,
    is_sys_handler: bool,
) -> i16

Available on crate features AEDataModel and AppleEvents only.

Safety

• handler must be a valid pointer.
• handler_refcon must be a valid pointer.