+/** \brief appends C-string to WRBUF (void) */
+YAZ_EXPORT void wrbuf_vputs(const char *buf, void *client_data);
+
+/** \brief writes buffer to WRBUF and XML encode (as CDATA) */
+YAZ_EXPORT int wrbuf_xmlputs_n(WRBUF b, const char *cp, int size);
+/** \brief writes C-String to WRBUF and XML encode (as CDATA) */
+YAZ_EXPORT int wrbuf_xmlputs(WRBUF b, const char *cp);
+