tar.h(0p) — Linux manual page

PROLOG | NAME | SYNOPSIS | DESCRIPTION | APPLICATION USAGE | RATIONALE | FUTURE DIRECTIONS | SEE ALSO | COPYRIGHT

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

PROLOG         top

       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.

NAME         top

       tar.h — extended tar definitions

SYNOPSIS         top

       #include <tar.h>

DESCRIPTION         top

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

       General definitions:

       ┌───────────┬────────────┬────────────────────────────────────────┐
       │   Name    Value    Description               │
       ├───────────┼────────────┼────────────────────────────────────────┤
       │TMAGIC     │  "ustar"   │ Used in the magic field in the ustar   │
       │           │            │ header block, including the trailing   │
       │           │            │ null byte.                             │
       │TMAGLEN    │     6      │ Length in octets of the magic field.   │
       │TVERSION   │    "00"    │ Used in the version field in the ustar │
       │           │            │ header block, excluding the trailing   │
       │           │            │ null byte.                             │
       │TVERSLEN   │     2      │ Length in octets of the version field. │
       └───────────┴────────────┴────────────────────────────────────────┘
       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         top

       None.

RATIONALE         top

       None.

FUTURE DIRECTIONS         top

       None.

SEE ALSO         top

       The Shell and Utilities volume of POSIX.1‐2017, pax(1p)

COPYRIGHT         top

       Portions of this text are reprinted and reproduced in electronic
       form from IEEE Std 1003.1-2017, Standard for Information
       Technology -- Portable Operating System Interface (POSIX), The
       Open Group Base Specifications Issue 7, 2018 Edition, Copyright
       (C) 2018 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.opengroup.org/unix/online.html .

       Any typographical or formatting errors that appear in this page
       are most likely to have been introduced during the conversion of
       the source files to man page format. To report such errors, see
       https://www.kernel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group               2017                         tar.h(0P)

Pages that refer to this page: pax(1p)