nbsp;:&nbsp;int32&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Bint64</span>.t<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;to_nativeint&nbsp;:&nbsp;<span class="constructor">Bint64</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;nativeint<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;of_nativeint&nbsp;:&nbsp;nativeint&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Bint64</span>.t&nbsp;option<br>
&nbsp;&nbsp;<span class="ke