se <code class="code"><span class="constructor">Invalid_argument</span> <span class="string">"really_input"</span></code> if
   <code class="code">pos</code> and <code class="code">len</code> do not designate a valid range of <code class="code">buf</code>.<br>
</div>

<pre><span id="VALreally_input_string"><span class="keyword">val</span> really_input_string</span> : <code class="type"><a href="Pervasives.html#TYPEin_channel">in_channel</a> -&gt; int -&gt; string</code></pre><div class="info ">
<code class=