Dartaubio_sink_do_multi_tFunction typedef
        Dartaubio_sink_do_multi_tFunction =
     void Function(Pointer<aubio_sink_t>  s, Pointer<fmat_t>  data, Dartuint_t write)
    
    
    
Implementation
typedef Dartaubio_sink_do_multi_tFunction = void Function(
    ffi.Pointer<aubio_sink_t> s, ffi.Pointer<fmat_t> data, Dartuint_t write);