PATH_LINK

;;; Create a hard link.
  ;;; Note: This is similar to `linkat` in POSIX.
  (@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)))
  )