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<div class="title">ioctl.h File Reference</div> </div>
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<div class="textblock"><code>#include <sys/types.h></code><br />
<code>#include <sys/uio.h></code><br />
<code>#include <sys/ioctl.h></code><br />
</div>
<p><a href="example_2ioctl_8h_source.html">Go to the source code of this file.</a></p>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Header file to share definitions between the ioctl.c example file system and the ioctl_client.c test program.</p>
<div class="fragment"><div class="line"><span class="comment">/*</span></div>
<div class="line"><span class="comment"> FUSE-ioctl: ioctl support for FUSE</span></div>
<div class="line"><span class="comment"> Copyright (C) 2008 SUSE Linux Products GmbH</span></div>
<div class="line"><span class="comment"> Copyright (C) 2008 Tejun Heo <teheo@suse.de></span></div>
<div class="line"><span class="comment"></span> </div>
<div class="line"><span class="comment"> This program can be distributed under the terms of the GNU GPLv2.</span></div>
<div class="line"><span class="comment"> See the file COPYING.</span></div>
<div class="line"><span class="comment">*/</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#include <sys/types.h></span></div>
<div class="line"><span class="preprocessor">#include <sys/uio.h></span></div>
<div class="line"><span class="preprocessor">#include <sys/ioctl.h></span></div>
<div class="line"> </div>
<div class="line"><span class="keyword">enum</span> {</div>
<div class="line"> FIOC_GET_SIZE = _IOR(<span class="charliteral">'E'</span>, 0, <span class="keywordtype">size_t</span>),</div>
<div class="line"> FIOC_SET_SIZE = _IOW(<span class="charliteral">'E'</span>, 1, <span class="keywordtype">size_t</span>),</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/*</span></div>
<div class="line"><span class="comment"> * The following two ioctls don't follow usual encoding rules</span></div>
<div class="line"><span class="comment"> * and transfer variable amount of data.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"> FIOC_READ = _IO(<span class="charliteral">'E'</span>, 2),</div>
<div class="line"> FIOC_WRITE = _IO(<span class="charliteral">'E'</span>, 3),</div>
<div class="line">};</div>
<div class="line"> </div>
<div class="line"><span class="keyword">struct </span>fioc_rw_arg {</div>
<div class="line"> off_t offset;</div>
<div class="line"> <span class="keywordtype">void</span> *buf;</div>
<div class="line"> <span class="keywordtype">size_t</span> size;</div>
<div class="line"> <span class="keywordtype">size_t</span> prev_size; <span class="comment">/* out param for previous total size */</span></div>
<div class="line"> <span class="keywordtype">size_t</span> new_size; <span class="comment">/* out param for new total size */</span></div>
<div class="line">};</div>
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<p class="definition">Definition in file <a class="el" href="example_2ioctl_8h_source.html">ioctl.h</a>.</p>
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