>ptr</a></span></code></dt><dt class="spec value" id="val-offsetof"><a href="#val-offsetof" class="anchor"></a><code><span class="keyword">val</span> offsetof : <span><span>(<span class="type-var">'a</span>, <span><span class="type-var">'b</span> <a href="index.html#type-structure">structure</a></span>)</span> <a href="index.html#type-field">field</a></span> <span>&#45;&gt;</span> int</code></dt><dt class="spec value" id="val-field_type"><a href="#val-field_type" class="anchor"></a><code><span class="keywo