TAR.H(3HEAD)TAR.H(3HEAD)NAME
tar.h, tar - extended tar definitions
SYNOPSIS
#include <tar.h>
DESCRIPTION
The <tar.h> header defines header block definitions as follows.
General definitions:
Name Value Description
────────────────────────────────────────────
TMAGIC "ustar" ustar plus null byte
TMAGLEN 6 length of the above
TVERSION "00" 00 without a null byte
TVERSLEN 2 length of the above
Typeflag field definitions:
Name Value Description
─────────────────────────────────────
REGTYPE '0' regular file
AREGTYPE '\0' regular file
LNKTYPE '1' link
SYMTYPE '2' symbolic link
CHRTYPE '3' character special
BLKTYPE '4' block special
DIRTYPE '5' directory
FIFOTYPE '6' FIFO special
CONTTYPE '7' reserved
Mode field bit definitions (octal):
Name Value Description
───────────────────────────────────────────────────────────
TSUID 04000 set UID on execution
TSGID 02000 set GID on execution
TSVTX 01000 on directories, restricted deletion flag
TUREAD 00400 read by owner
TUWRITE 00200 write by owner special
TUEXEC 00100 execute/search by owner
TGREAD 00040 read by group
TGWRITE 00020 write by group
TGEXEC 00010 execute/search by group
TOREAD 00004 read by other
TOWRITE 00002 write by other
TOEXEC 00001 execute/search by other
Types used in ancillary files:
Name Value Description
ACL_HDR 'A' Access Control List
LBL_TYPE 'L' Trusted Extensions file label
DIR_TYPE 'D' Trusted Extensions directory label
Attribute types used in Trusted Solaris ancillary files that are inter‐
preted by Trusted Extensions for backward compatibility:
Name Value Description
SLD_TYPE 'S' Single-level directory component
PATH_TYPE 'P' Path component
MLD_TYPE 'M' Multi-level directory component
FILE_TYPE 'F' Must handle files differently
APRIV_TYPE 'P' Allowed privileges data type in file
FPRIV_TYPE 'p' Forced privileges data type in file
COMP_TYPE 'C' Path components, use for MLD
ATTR_FLAG_TYPE 'F' File attribute flag bytes data type
LK_COMP_TYPE 'K' Link data path component
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌────────────────────┬─────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├────────────────────┼─────────────────┤
│Interface Stability │ See below. │
└────────────────────┴─────────────────┘
The general definitions, the typeflag field definitions, and the mode
field bit definitions are Standard. The types used in ancillary files
and the attribute types used in Trusted Solaris ancillary files are
Evolving.
SEE ALSOpax(1), attributes(5), standards(5)
Mar 14, 2006 TAR.H(3HEAD)
