dsign">'</span>a&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Marshal</span>.extern_flags&nbsp;list&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;=&nbsp;<span class="string">"caml_output_value_to_string"</span><br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;to_buffer&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;<span class="key