terator_add_map (<em class="parameter"><code><a class="link" href="redland-iterator.html#librdf-iterator"
                                                        title="librdf_iterator"><span
                        class="type">librdf_iterator</span></a> *iterator</code></em>,
                         <em class="parameter"><code><a class="link"
                                                        href="redland-iterator.html#librdf-iterator-map-handler"
                                              