tar.h man page


This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

tar.h ā€” extended tar definitions


#include <tar.h>


The <tar.h> header shall define the following symbolic constants with the indicated values.

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.

The following sections are informative.

Application Usage




Future Directions


See Also

The Shell and Utilities volume of POSIX.1-2008, pax


2013 IEEE/The Open Group POSIX Programmer's Manual