Header.Linktype t = | Normal| Harda hard link
*)| Symbolica symbolic link
*)| Charactera character device node
*)| Blocka block device node
*)| Directorya directory (also indicated by trailing / in file_name)
| FIFOa FIFO node
*)| GlobalExtendedHeadera PaxExtension global header
*)| PerFileExtendedHeadera PaxExtension per-file header
*)| LongLinka GNU LongLink i.e. a very long link name
*)| LongNamea GNU LongName i.e. a very long filename
*)Determines the type of the file.
val to_string : t -> string