nt_002dloop_002dadd_002dwrite_002dwatch_0021"><span class="category">Scheme Procedure: </span><span><strong>event-loop-add-write-watch!</strong> <em>file proc [loop]</em><a href='#index-event_002dloop_002dadd_002dwrite_002dwatch_0021' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>The &rsquo;loop&rsquo; (event loop) argument is optional.  This procedure will
start a write watch in the event loop passed in as an argument, or if
none is passed (or #f is passed), in the default event loop.  The
&rsquo;