(links) () d d
(links/broken) (nowhere) l N
(links/deeply) () d d
(links/deeply/nested) () d d
(links/deeply/nested/broken) (nowhere) l N
(links/deeply/nested/dir) () d d
(links/deeply/nested/file) () f f
(links/deeply/nested/link) () f f
(links/file) () f f
(links/hardlink) () f f
(links/notdir) (symlink/file) l N
(links/skip) () d d
(links/skip/broken) (nowhere) l N
(links/skip/dir) () d d
(links/skip/file) () f f
(links/skip/link) () f f
(links/symlink) () f f