Function gdk_pixbuf_sys::gdk_pixbuf_get_file_info_finish

pub unsafe extern "C" fn gdk_pixbuf_get_file_info_finish(
    async_result: *mut GAsyncResult,
    width: *mut c_int,
    height: *mut c_int,
    error: *mut *mut GError
) -> *mut GdkPixbufFormat