+/** \brief convert MARC format type to format type(YAZ_MARC_..)
+ \param arg string
+ \returns -1 if arg is not a known format; YAZ_MARC_.. otherwise (OK)
+*/
+YAZ_EXPORT
+int yaz_marc_decode_formatstr(const char *arg);
+
+/** \brief enable writing of MARC XML records using Libxml2
+ \param mt handle
+ \param enable 0=disable, 1=enable
+*/
+YAZ_EXPORT
+void yaz_marc_write_using_libxml2(yaz_marc_t mt, int enable);
+
+/** \brief Performs "pretty" display of OPAC record to WRBUF */
+YAZ_EXPORT void yaz_display_OPAC(WRBUF wrbuf, Z_OPACRecord *r, int flags);
+
+/** \brief Performs "pretty" display of OPAC record to WRBUF using marc_t */
+YAZ_EXPORT void yaz_opac_decode_wrbuf(yaz_marc_t mt, Z_OPACRecord *r, WRBUF wrbuf);
+
+
+/** \brief flushes records
+ \param mt handle
+ \param wr WRBUF for output
+ \retval 0 OK
+ \retval -1 ERROR
+*/
+YAZ_EXPORT int yaz_marc_write_trailer(yaz_marc_t mt, WRBUF wr);
+
+/** \brief enables record collection output
+ \param mt handle
+*/
+YAZ_EXPORT void yaz_marc_enable_collection(yaz_marc_t mt);
+