Function libvips_rs::bindings::g_buffered_input_stream_fill_async

pub unsafe extern "C" fn g_buffered_input_stream_fill_async(
    stream: *mut GBufferedInputStream,
    count: gssize,
    io_priority: c_int,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    user_data: gpointer
)