Function gio_sys::g_file_io_stream_query_info_async

pub unsafe extern fn g_file_io_stream_query_info_async(stream: *mut GFileIOStream,
                                                       attributes: *const c_char,
                                                       io_priority: c_int,
                                                       cancellable: *mut GCancellable,
                                                       callback: GAsyncReadyCallback,
                                                       user_data: gpointer)