'b, 'c, 'd) <a href="Scanf.html#TYPEscanner">scanner</a></code></pre><p><code class="code">bscanf&nbsp;ic&nbsp;fmt&nbsp;r1&nbsp;...&nbsp;rN&nbsp;f</code> reads characters from the
    <a href="Scanf.Scanning.html#TYPEin_channel"><code class="code"><span class="constructor">Scanf</span>.<span class="constructor">Scanning</span>.in_channel</code></a> formatted input channel <code class="code">ic</code> and converts them to
    values according to format string <code class="code">fmt</code>.
    As a final ste