+YAZ_EXPORT void yaz_query2xml(const Z_Query *q, xmlDocPtr *docp);
+YAZ_EXPORT void yaz_rpnquery2xml(const Z_RPNQuery *rpn, xmlDocPtr *docp);
+
+YAZ_EXPORT void yaz_xml2query(const void *xmlnodep, Z_Query **query, ODR odr,
+ int *error_code, const char **addinfo);