+/** \brief encodes EXTERNAL XML record */
+YAZ_EXPORT Z_External *z_ext_record_xml(ODR o, const char *buf, int len);
+
+/** \brief encodes EXTERNAL SUTRS record */
+YAZ_EXPORT Z_External *z_ext_record_sutrs(ODR o, const char *buf, int len);
+
+/** \brief encodes EXTERNAL USMARC/MARC21 record */
+YAZ_EXPORT Z_External *z_ext_record_usmarc(ODR o, const char *buf, int len);
+