de">ic</code> to binary
   mode: no translations take place during input.
   <code class="code">set_binary_mode_out ic <span class="keyword">false</span></code> sets the channel <code class="code">ic</code> to text
   mode: depending on the operating system, some translations
   may take place during input.  For instance, under Windows,
   end-of-lines will be translated from <code class="code">\r\n</code> to <code class="code">\n</code>.
   This function has no effect under operating systems that
   do not