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.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
.TH "<tar.h>" 0P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
.\" <tar.h> 
.SH NAME
tar.h \- extended tar definitions
.SH SYNOPSIS
.LP
\fB#include <tar.h>\fP
.SH DESCRIPTION
.LP
The \fI<tar.h>\fP header shall define header block definitions as
follows.
.LP
General definitions:
.TS C
center; l2 l2 l.
\fBName\fP	\fBDescription\fP	\fBValue\fP
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.
.TE
.LP
\fITypeflag\fP field definitions:
.TS C
center; l l l.
\fBName\fP	\fBDescription\fP	\fBValue\fP
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.
.TE
.LP
\fIMode\fP field bit definitions (octal):
.TS C
center; l1 l1 l.
\fBName\fP	\fBDescription\fP	\fBValue\fP
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.
.TE
.LP
\fIThe following sections are informative.\fP
.SH APPLICATION USAGE
.LP
None.
.SH RATIONALE
.LP
None.
.SH FUTURE DIRECTIONS
.LP
None.
.SH SEE ALSO
.LP
The Shell and Utilities volume of IEEE\ Std\ 1003.1-2001, \fIpax\fP
.SH 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, Copyright (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.opengroup.org/unix/online.html .

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