lass="comment"></span>  <span class="keyword">using </span><a class="code hl_typedef" href="structipc_1_1util_1_1Native__handle.html#a7194e8aaf9fc0109aad80222ae4ecb25">handle_t</a> = int;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>  <span class="comment">// Constants.</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span c