dType

(typename $dirent
  (record
    ;;; The offset of the next directory entry stored in this directory.
    (field $d_next $dircookie)
    ;;; The serial number of the file referred to by this directory entry.
    (field $d_ino $inode)
    ;;; The length of the name of the directory entry.
    (field $d_namlen $dirnamlen)
    ;;; The type of the file referred to by this directory entry.
    (field $d_type $filetype)
  )
)