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<h2><span class="refentrytitle"><a name="hkl-ptr-valid.top_of_page"></a>ptr_valid</span></h2>
<p>ptr_valid</p>
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<div class="refsect1">
<a name="hkl-ptr-valid.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid-read" title="ptr_valid_read()">ptr_valid_read</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid-write" title="ptr_valid_write()">ptr_valid_write</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">bool</span>
</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid-string" title="ptr_valid_string ()">ptr_valid_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">bool</span>
</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid" title="ptr_valid ()">ptr_valid</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">bool</span>
</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid-batch-start" title="ptr_valid_batch_start ()">ptr_valid_batch_start</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid-batch-read" title="ptr_valid_batch_read()">ptr_valid_batch_read</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid-batch-write" title="ptr_valid_batch_write()">ptr_valid_batch_write</a><span class="c_punctuation">()</span>
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<td class="function_type">
<span class="returnvalue">bool</span>
</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid-batch-string" title="ptr_valid_batch_string ()">ptr_valid_batch_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#ptr-valid-batch-end" title="ptr_valid_batch_end ()">ptr_valid_batch_end</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="hkl-ptr-valid.html#PTR-VALID-ALIGNOF:CAPS" title="PTR_VALID_ALIGNOF()">PTR_VALID_ALIGNOF</a><span class="c_punctuation">()</span>
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</div>
<div class="refsect1">
<a name="hkl-ptr-valid.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="hkl-ptr-valid.html#ptr-valid-batch" title="struct ptr_valid_batch">ptr_valid_batch</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="hkl-ptr-valid.html#ptr-valid-map" title="struct ptr_valid_map">ptr_valid_map</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="hkl-ptr-valid.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="hkl-ptr-valid.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="ptr-valid-read"></a><h3>ptr_valid_read()</h3>
<pre class="programlisting">#define ptr_valid_read(p)</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid-write"></a><h3>ptr_valid_write()</h3>
<pre class="programlisting">#define ptr_valid_write(p)</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid-string"></a><h3>ptr_valid_string ()</h3>
<pre class="programlisting"><span class="returnvalue">bool</span>
ptr_valid_string (<em class="parameter"><code>const <span class="type">char</span> *p</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid"></a><h3>ptr_valid ()</h3>
<pre class="programlisting"><span class="returnvalue">bool</span>
ptr_valid (<em class="parameter"><code>const <span class="type">void</span> *p</code></em>,
<em class="parameter"><code><span class="type">size_t</span> align</code></em>,
<em class="parameter"><code><span class="type">size_t</span> size</code></em>,
<em class="parameter"><code><span class="type">bool</span> write</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid-batch-start"></a><h3>ptr_valid_batch_start ()</h3>
<pre class="programlisting"><span class="returnvalue">bool</span>
ptr_valid_batch_start (<em class="parameter"><code><span class="type">struct ptr_valid_batch</span> *batch</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid-batch-read"></a><h3>ptr_valid_batch_read()</h3>
<pre class="programlisting">#define ptr_valid_batch_read(batch, p)</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid-batch-write"></a><h3>ptr_valid_batch_write()</h3>
<pre class="programlisting">#define ptr_valid_batch_write(batch, p)</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid-batch-string"></a><h3>ptr_valid_batch_string ()</h3>
<pre class="programlisting"><span class="returnvalue">bool</span>
ptr_valid_batch_string (<em class="parameter"><code><span class="type">struct ptr_valid_batch</span> *batch</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *p</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid-batch-end"></a><h3>ptr_valid_batch_end ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ptr_valid_batch_end (<em class="parameter"><code><span class="type">struct ptr_valid_batch</span> *batch</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="PTR-VALID-ALIGNOF:CAPS"></a><h3>PTR_VALID_ALIGNOF()</h3>
<pre class="programlisting">#define PTR_VALID_ALIGNOF(var) __alignof__(var)
</pre>
</div>
</div>
<div class="refsect1">
<a name="hkl-ptr-valid.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="ptr-valid-batch"></a><h3>struct ptr_valid_batch</h3>
<pre class="programlisting">struct ptr_valid_batch {
unsigned int num_maps;
struct ptr_valid_map *maps;
int child_pid;
int to_child, from_child;
void *last;
bool last_ok;
};
</pre>
</div>
<hr>
<div class="refsect2">
<a name="ptr-valid-map"></a><h3>struct ptr_valid_map</h3>
<pre class="programlisting">struct ptr_valid_map {
const char *start, *end;
bool is_write;
};
</pre>
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