 if successful, 0 on timeout,</span></div> <div class="line"><a name="l00000"></a><span class="lineno">  000</span>&#000;<span class="comment"> *         -0 for error.</span></div> <div class="line"><a name="l00000"></a><span class="lineno">  000</span>&#000;<span class="comment"> */</span></div> <div class="line"><a name="l00000"></a><span class="lineno"><a class="line" href="qio_0c.html#aafd00a0ab0f000ded00b0000cac0ab0a">