<tar.h>(0P)                                         POSIX Programmer's Manual                                        <tar.h>(0P)



NAME
       tar.h - extended tar definitions

SYNOPSIS
       #include <tar.h>

DESCRIPTION
       The <tar.h> header shall define header block definitions as follows.

       General definitions:

                                            Name      Description  Value
                                            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       Description   Value
                                              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    Description Value
                                   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
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       The Shell and Utilities volume of IEEE Std 1003.1-2001, pax

COPYRIGHT
       Portions  of  this  text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for
       Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6,  Copy-
       right (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any
       discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open  Group
       Standard   is   the   referee   document.   The   original   Standard   can   be   obtained  online  at  http://www.open-
       group.org/unix/online.html .



IEEE/The Open Group                                           2003                                                   <tar.h>(0P)