ytes&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;unsafe_of_string&nbsp;:&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;bytes<br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;unsafe_get&nbsp;:&nbsp;bytes&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;char&nbsp;=&nbsp;<span class="string">"%bytes_unsafe_get"</span><br>
&nbsp;&nbsp;<span class="keyword">external</spa