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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>&lt;tar.h&gt;</title>
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<basefont size="3"> <a name="&lt;tar.h&gt;"></a> <a name="tag_13_73"></a><!-- &lt;tar.h&gt; -->
<!--header start-->
<center><font size="2">The Open Group Base Specifications Issue 6<br>
IEEE Std 1003.1-2001<br>
Copyright &copy; 2001 The IEEE and The Open Group, All Rights reserved.</font></center>
<!--header end-->
<hr size="2" noshade>
<h4><a name="tag_13_73_01"></a>NAME</h4>
<blockquote>tar.h - extended tar definitions</blockquote>
<h4><a name="tag_13_73_02"></a>SYNOPSIS</h4>
<blockquote class="synopsis">
<p><tt>#include &lt;tar.h&gt;</tt></p>
</blockquote>
<h4><a name="tag_13_73_03"></a>DESCRIPTION</h4>
<blockquote>
<p>The <i>&lt;tar.h&gt;</i> header shall define header block definitions as follows.</p>
<p>General definitions:</p>
<center>
<table border="1" cellpadding="3" align="center">
<tr valign="top">
<th align="center">
<p class="tent"><b>Name</b></p>
</th>
<th align="center">
<p class="tent"><b>Description</b></p>
</th>
<th align="center">
<p class="tent"><b>Value</b></p>
</th>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TMAGIC</p>
</td>
<td align="center">
<p class="tent">"ustar"</p>
</td>
<td align="left">
<p class="tent">ustar plus null byte.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TMAGLEN</p>
</td>
<td align="center">
<p class="tent">6</p>
</td>
<td align="left">
<p class="tent">Length of the above.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TVERSION</p>
</td>
<td align="center">
<p class="tent">"00"</p>
</td>
<td align="left">
<p class="tent">00 without a null byte.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TVERSLEN</p>
</td>
<td align="center">
<p class="tent">2</p>
</td>
<td align="left">
<p class="tent">Length of the above.</p>
</td>
</tr>
</table>
</center>
<p><i>Typeflag</i> field definitions:</p>
<center>
<table border="1" cellpadding="3" align="center">
<tr valign="top">
<th align="center">
<p class="tent"><b>Name</b></p>
</th>
<th align="center">
<p class="tent"><b>Description</b></p>
</th>
<th align="center">
<p class="tent"><b>Value</b></p>
</th>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">REGTYPE</p>
</td>
<td align="center">
<p class="tent">'0'</p>
</td>
<td align="left">
<p class="tent">Regular file.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">AREGTYPE</p>
</td>
<td align="center">
<p class="tent">'\0'</p>
</td>
<td align="left">
<p class="tent">Regular file.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">LNKTYPE</p>
</td>
<td align="center">
<p class="tent">'1'</p>
</td>
<td align="left">
<p class="tent">Link.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">SYMTYPE</p>
</td>
<td align="center">
<p class="tent">'2'</p>
</td>
<td align="left">
<p class="tent">Symbolic link.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">CHRTYPE</p>
</td>
<td align="center">
<p class="tent">'3'</p>
</td>
<td align="left">
<p class="tent">Character special.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">BLKTYPE</p>
</td>
<td align="center">
<p class="tent">'4'</p>
</td>
<td align="left">
<p class="tent">Block special.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">DIRTYPE</p>
</td>
<td align="center">
<p class="tent">'5'</p>
</td>
<td align="left">
<p class="tent">Directory.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">FIFOTYPE</p>
</td>
<td align="center">
<p class="tent">'6'</p>
</td>
<td align="left">
<p class="tent">FIFO special.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">CONTTYPE</p>
</td>
<td align="center">
<p class="tent">'7'</p>
</td>
<td align="left">
<p class="tent">Reserved.</p>
</td>
</tr>
</table>
</center>
<p><i>Mode</i> field bit definitions (octal):</p>
<center>
<table border="1" cellpadding="3" align="center">
<tr valign="top">
<th align="center">
<p class="tent"><b>Name</b></p>
</th>
<th align="center">
<p class="tent"><b>Description</b></p>
</th>
<th align="center">
<p class="tent"><b>Value</b></p>
</th>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TSUID</p>
</td>
<td align="center">
<p class="tent">04000</p>
</td>
<td align="left">
<p class="tent">Set UID on execution.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TSGID</p>
</td>
<td align="center">
<p class="tent">02000</p>
</td>
<td align="left">
<p class="tent">Set GID on execution.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent"><sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]"
border="0"> TSVTX</p>
</td>
<td align="center">
<p class="tent">01000</p>
</td>
<td align="left">
<p class="tent">On directories, restricted deletion flag.&nbsp;&nbsp;&nbsp;<img src="../images/opt-end.gif" alt="[Option End]"
border="0"></p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TUREAD</p>
</td>
<td align="center">
<p class="tent">00400</p>
</td>
<td align="left">
<p class="tent">Read by owner.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TUWRITE</p>
</td>
<td align="center">
<p class="tent">00200</p>
</td>
<td align="left">
<p class="tent">Write by owner special.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TUEXEC</p>
</td>
<td align="center">
<p class="tent">00100</p>
</td>
<td align="left">
<p class="tent">Execute/search by owner.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TGREAD</p>
</td>
<td align="center">
<p class="tent">00040</p>
</td>
<td align="left">
<p class="tent">Read by group.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TGWRITE</p>
</td>
<td align="center">
<p class="tent">00020</p>
</td>
<td align="left">
<p class="tent">Write by group.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TGEXEC</p>
</td>
<td align="center">
<p class="tent">00010</p>
</td>
<td align="left">
<p class="tent">Execute/search by group.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TOREAD</p>
</td>
<td align="center">
<p class="tent">00004</p>
</td>
<td align="left">
<p class="tent">Read by other.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TOWRITE</p>
</td>
<td align="center">
<p class="tent">00002</p>
</td>
<td align="left">
<p class="tent">Write by other.</p>
</td>
</tr>
<tr valign="top">
<td align="left">
<p class="tent">TOEXEC</p>
</td>
<td align="center">
<p class="tent">00001</p>
</td>
<td align="left">
<p class="tent">Execute/search by other.</p>
</td>
</tr>
</table>
</center>
</blockquote>
<hr>
<div class="box"><em>The following sections are informative.</em></div>
<h4><a name="tag_13_73_04"></a>APPLICATION USAGE</h4>
<blockquote>
<p>None.</p>
</blockquote>
<h4><a name="tag_13_73_05"></a>RATIONALE</h4>
<blockquote>
<p>None.</p>
</blockquote>
<h4><a name="tag_13_73_06"></a>FUTURE DIRECTIONS</h4>
<blockquote>
<p>None.</p>
</blockquote>
<h4><a name="tag_13_73_07"></a>SEE ALSO</h4>
<blockquote>
<p>The Shell and Utilities volume of IEEE&nbsp;Std&nbsp;1003.1-2001, <a href="../utilities/pax.html"><i>pax</i></a></p>
</blockquote>
<h4><a name="tag_13_73_08"></a>CHANGE HISTORY</h4>
<blockquote>
<p>First released in Issue 3. Derived from the POSIX.1-1988 standard.</p>
</blockquote>
<h4><a name="tag_13_73_09"></a>Issue 6</h4>
<blockquote>
<p>The SEE ALSO section now refers to <a href="../utilities/pax.html"><i>pax</i></a> since the Shell and Utilities volume of
IEEE&nbsp;Std&nbsp;1003.1-2001 no longer contains the <i>tar</i> utility.</p>
</blockquote>
<div class="box"><em>End of informative text.</em></div>
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