PATH_UNLINK_FILE

;;; Unlink a file.
  ;;; Return `errno::isdir` if the path refers to a directory.
  ;;; Note: This is similar to `unlinkat(fd, path, 0)` in POSIX.
  (@interface func (export "path_unlink_file")
    (param $fd $fd)
    ;;; The path to a file to unlink.
    (param $path string)
    (result $error (expected (error $errno)))
  )