export_func        62 ext/libxml/libxml.c 	php_libxml_export_node export_func;
export_func      1164 ext/libxml/libxml.c 	export_hnd.export_func = export_function;
export_func      1181 ext/libxml/libxml.c 			node = export_hnd->export_func(object TSRMLS_CC);