mber of elements in the queue  <a href="#a8a83a3a8c0aa8057b13807d2a54077e0"></a><br/></td></tr>
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<tr class="memitem:a4c2a0c691de3365c00ecd22d8102811f"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structos_mail_q_def__t.html#a4c2a0c691de3365c00ecd22d8102811f">item_sz</a></td></tr>
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