>out_channel</a> -&gt; bool -&gt; unit</code></pre><div class="info ">
<code class="code">set_binary_mode_out oc <span class="keyword">true</span></code> sets the channel <code class="code">oc</code> to binary
   mode: no translations take place during output.
   <code class="code">set_binary_mode_out oc <span class="keyword">false</span></code> sets the channel <code class="code">oc</code> to text
   mode: depending on the operating system, some translations
   may take place during output.  For instance, 