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<title>ZIP_SOURCE_SEEK_WRITE(3)</title>
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<td class="head-ltitle">ZIP_SOURCE_SEEK_WRITE(3)</td>
<td class="head-vol">Library Functions Manual</td>
<td class="head-rtitle">ZIP_SOURCE_SEEK_WRITE(3)</td>
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<h1 class="Sh" id="NAME">NAME</h1>
<b class="Nm">zip_source_seek_write</b> &#8212; <span class="Nd">set write
offset in zip source</span>
<h1 class="Sh" id="LIBRARY">LIBRARY</h1>
libzip (-lzip)
<h1 class="Sh" id="SYNOPSIS">SYNOPSIS</h1>
<b class="In">#include &lt;<a class="In">zip.h</a>&gt;</b>
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<var class="Ft">int</var>
<br/>
<b class="Fn">zip_source_seek_write</b>(<var class="Fa" style="white-space: nowrap;">zip_source_t
*source</var>, <var class="Fa" style="white-space: nowrap;">zip_int64_t
offset</var>, <var class="Fa" style="white-space: nowrap;">int whence</var>);
<h1 class="Sh" id="DESCRIPTION">DESCRIPTION</h1>
The function <b class="Fn">zip_source_seek_write</b>() sets the current write
offset for <var class="Fa">source</var>. Just like in
<a class="Xr" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/fseek.html">fseek(3)</a>, depending on the
<var class="Ar">whence</var> argument, the <var class="Ar">offset</var> is
counted relative from:
<div class="Bl-tag" style="margin-left: 6.00ex;">
<dl class="Bl-tag" style="margin-left: 10.00ex;">
<dt class="It-tag" style="margin-left: -10.00ex;">&#160;</dt>
<dd class="It-tag">&#160;</dd>
<dt class="It-tag" style="margin-left: -10.00ex;"><code class="Dv">SEEK_SET</code></dt>
<dd class="It-tag">start of file</dd>
<dt class="It-tag" style="margin-left: -10.00ex;">&#160;</dt>
<dd class="It-tag">&#160;</dd>
<dt class="It-tag" style="margin-left: -10.00ex;"><code class="Dv">SEEK_CUR</code></dt>
<dd class="It-tag">current write offset in file</dd>
<dt class="It-tag" style="margin-left: -10.00ex;">&#160;</dt>
<dd class="It-tag">&#160;</dd>
<dt class="It-tag" style="margin-left: -10.00ex;"><code class="Dv">SEEK_END</code></dt>
<dd class="It-tag">end of file</dd>
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<h1 class="Sh" id="RETURN_VALUES">RETURN VALUES</h1>
Upon successful completion 0 is returned. Otherwise, -1 is returned and the
error information in <var class="Ar">source</var> is set to indicate the
error.
<h1 class="Sh" id="SEE_ALSO">SEE ALSO</h1>
<a class="Xr" href="libzip.html">libzip(3)</a>,
<a class="Xr" href="zip_source.html">zip_source(3)</a>,
<a class="Xr" href="zip_source_begin_write.html">zip_source_begin_write(3)</a>,
<a class="Xr" href="zip_source_commit_write.html">zip_source_commit_write(3)</a>,
<a class="Xr" href="zip_source_rollback_write.html">zip_source_rollback_write(3)</a>,
<a class="Xr" href="zip_source_tell_write.html">zip_source_tell_write(3)</a>,
<a class="Xr" href="zip_source_write.html">zip_source_write(3)</a>
<h1 class="Sh" id="HISTORY">HISTORY</h1>
<b class="Fn">zip_source_seek_write</b>() was added in libzip 1.0.
<h1 class="Sh" id="AUTHORS">AUTHORS</h1>
<span class="An">Dieter Baron</span>
&lt;<a class="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>&gt; and
<span class="An">Thomas Klausner</span>
&lt;<a class="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>&gt;</div>
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<td class="foot-date">December 18, 2017</td>
<td class="foot-os">NetBSD 8.99.14</td>
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