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<a name="g_t_005fread_005fr_002d_002d_002dReentrant-version-of-read"></a>
<h4 class="subsection">13.2.9 <code>_read_r</code>&mdash;Reentrant version of read</h4>
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<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include &lt;reent.h&gt;
_ssize_t _read_r(struct _reent *<var>ptr</var>,
    int <var>fd</var>, void *<var>buf</var>, size_t <var>cnt</var>);

</pre></div>
<p><strong>Description</strong><br>
This is a reentrant version of <code>read</code>.  It
takes a pointer to the global data block, which holds
<code>errno</code>.
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