Function gio_sys::g_file_measure_disk_usage

pub unsafe extern "C" fn g_file_measure_disk_usage(
    file: *mut GFile,
    flags: GFileMeasureFlags,
    cancellable: *mut GCancellable,
    progress_callback: GFileMeasureProgressCallback,
    progress_data: gpointer,
    disk_usage: *mut u64,
    num_dirs: *mut u64,
    num_files: *mut u64,
    error: *mut *mut GError,
) -> gboolean