+/** \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);
+
+YAZ_EXPORT int wrbuf_puts_replace_char(WRBUF b, const char *buf,
+ const char from, const char to);
+
+/** \brief writes buffer to WRBUF and escape non-ASCII characters */
+YAZ_EXPORT void wrbuf_puts_escaped(WRBUF b, const char *str);
+
+/** \brief writes C-string to WRBUF and escape non-ASCII characters */
+YAZ_EXPORT void wrbuf_write_escaped(WRBUF b, const char *buf, size_t len);
+
+/** \brief writes printf result to WRBUF */
+YAZ_EXPORT void wrbuf_printf(WRBUF b, const char *fmt, ...)
+#ifdef __GNUC__
+ __attribute__ ((format (printf, 2, 3)))
+#endif
+ ;
+
+YAZ_EXPORT int wrbuf_iconv_write(WRBUF b, yaz_iconv_t cd, const char *buf,
+ int size);
+YAZ_EXPORT int wrbuf_iconv_write_cdata(WRBUF b, yaz_iconv_t cd,
+ const char *buf, int size);
+YAZ_EXPORT int wrbuf_iconv_puts_cdata(WRBUF b, yaz_iconv_t cd,
+ const char *strz);
+
+YAZ_EXPORT int wrbuf_iconv_puts(WRBUF b, yaz_iconv_t cd, const char *strz);
+
+YAZ_EXPORT int wrbuf_iconv_putchar(WRBUF b, yaz_iconv_t cd, int ch);
+
+YAZ_EXPORT void wrbuf_iconv_reset(WRBUF b, yaz_iconv_t cd);
+
+YAZ_EXPORT void wrbuf_chop_right(WRBUF b);
+
+/** \brief cut size of WRBUF */
+YAZ_EXPORT void wrbuf_cut_right(WRBUF b, size_t no_to_remove);
+
+
+/** \brief grow WRBUF larger
+ This function is normally not used by applications
+*/
+YAZ_EXPORT int wrbuf_grow(WRBUF b, int minsize);