ndex.html#type-typ">typ</a></span> <span>&#45;&gt;</span> <span>unit <a href="index.html#type-ptr">ptr</a></span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a href="index.html#type-ptr">ptr</a></span></code></dt><dt class="spec value" id="val-to_voidp"><a href="#val-to_voidp" class="anchor"></a><code><span class="keyword">val</span> to_voidp : <span><span class="type-var">'a</span> <a href="index.html#type-ptr">ptr</a></span> <span>&#45;&gt;</span> <span>unit <a href="index.html#type-ptr