glibc/conform/data/tar.h-data

#if !defined ISO && !defined ISO99 && !defined ISO11
macro-str TMAGIC "ustar"
macro-int-constant TMAGLEN {int} == 6
macro-str TVERSION "00"
macro-int-constant TVERSLEN {int} == 2

macro-int-constant REGTYPE {int} == '0'
macro-int-constant AREGTYPE {int} == '\0'
macro-int-constant LNKTYPE {int} == '1'
macro-int-constant SYMTYPE {int} == '2'
macro-int-constant CHRTYPE {int} == '3'
macro-int-constant BLKTYPE {int} == '4'
macro-int-constant DIRTYPE {int} == '5'
macro-int-constant FIFOTYPE {int} == '6'
macro-int-constant CONTTYPE {int} == '7'

macro-int-constant TSUID {int} == 04000
macro-int-constant TSGID {int} == 02000
# if !defined POSIX2008
macro-int-constant TSVTX {int} == 01000
# endif
macro-int-constant TUREAD {int} == 00400
macro-int-constant TUWRITE {int} == 00200
macro-int-constant TUEXEC {int} == 00100
macro-int-constant TGREAD {int} == 00040
macro-int-constant TGWRITE {int} == 00020
macro-int-constant TGEXEC {int} == 00010
macro-int-constant TOREAD {int} == 00004
macro-int-constant TOWRITE {int} == 00002
macro-int-constant TOEXEC {int} == 00001

allow *_t
#endif