ML_SCHEMAS_ATTR_USE_OPTIONAL">XML_SCHEMAS_ATTR_USE_OPTIONAL</a></pre><pre class="programlisting">#define <a href="#XML_SCHEMAS_ATTR_USE_PROHIBITED">XML_SCHEMAS_ATTR_USE_PROHIBITED</a></pre><pre class="programlisting">#define <a href="#XML_SCHEMAS_ATTR_USE_REQUIRED">XML_SCHEMAS_ATTR_USE_REQUIRED</a></pre><pre class="programlisting">#define <a href="#XML_SCHEMAS_BLOCK_DEFAULT_EXTENSION">XML_SCHEMAS_BLOCK_DEFAULT_EXTENSION</a></pre><pre class="programlisting">#define <a href="#XML_SCHEMAS_BLOCK_DEFAULT_RESTRIC