;input_char&nbsp;:&nbsp;<span class="constructor">Pervasives</span>.in_channel&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;char<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;input_line&nbsp;:&nbsp;<span class="constructor">Pervasives</span>.in_channel&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;input&nbsp;:&nbsp;<span class="constructor">Pervasives</span>.in_channel&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;<sp