PATH_LINK

(@interface func (export "path_link")
  (param $old_fd $fd)
  ;;; Flags determining the method of how the path is resolved.
  (param $old_flags $lookupflags)
  ;;; The source path from which to link.
  (param $old_path string)
  ;;; The working directory at which the resolution of the new path starts.
  (param $new_fd $fd)
  ;;; The destination path at which to create the hard link.
  (param $new_path string)
  (result $error (expected (error $errno)))
)