+/** \brief General writer of string using iconv and cdata
+ \param b WRBUF
+ \param cd iconv handle (0 for no conversion)
+ \param buf buffer
+ \param size size of buffer
+ \param wfunc write handler (that takes WRBUF only)
+ \returns -1 if invalid sequence was encountered (truncation in effect)
+ \returns 0 if buffer could be converted and written
+*/
+int wrbuf_iconv_write2(WRBUF b, yaz_iconv_t cd, const char *buf,
+ size_t size,
+ void (*wfunc)(WRBUF, const char *, size_t));
+
+/** \brief writer of string using iconv and cdata
+
+ Obsolete: use wrbuf_iconv_write2 instead.