/** \brief encodes EXTERNAL record based on OID (NULL if not known) */
YAZ_EXPORT Z_External *z_ext_record_oid(ODR o, const Odr_oid *oid,
const char *buf, int len);
/** \brief encodes EXTERNAL record based on OID (NULL if not known) */
YAZ_EXPORT Z_External *z_ext_record_oid(ODR o, const Odr_oid *oid,
const char *buf, int len);