ma_seek_procFunction typedef
        ma_seek_procFunction =
     Int Function(Pointer<Void>  pUserData, ma_int64 offset, UnsignedInt origin)
    
    
    
Implementation
typedef ma_seek_procFunction = ffi.Int Function(
    ffi.Pointer<ffi.Void> pUserData, ma_int64 offset, ffi.UnsignedInt origin);