Header.Link
type t =
| Normal
| Hard
a hard link
| Symbolic
a symbolic link
| Character
a character device node
| Block
a block device node
| Directory
a directory (also indicated by trailing / in file_name)
/
file_name
| FIFO
a FIFO node
| GlobalExtendedHeader
a PaxExtension global header
| PerFileExtendedHeader
a PaxExtension per-file header
| LongLink
a LongLink i.e. a very long filename
Determines the type of the file
val to_string : t -> string