equence.</p>

<p>Raise <code class="code"><span class="constructor">Invalid_argument</span></code> if the result is longer than
    <a href="Sys.html#VALmax_string_length"><code class="code"><span class="constructor">Sys</span>.max_string_length</code></a> bytes.</p>
</div>
</div>

<pre><span id="VALiter"><span class="keyword">val</span> iter</span> : <code class="type">(char -&gt; unit) -&gt; bytes -&gt; unit</code></pre><div class="info ">
<div class="info-desc">
<p><code class="code">iter&nbsp;f&nbsp;s</