YAZ_EXPORT int wrbuf_xmlputs_n(WRBUF b, const char *cp, int size);
YAZ_EXPORT int wrbuf_puts(WRBUF b, const char *buf);
YAZ_EXPORT int wrbuf_xmlputs(WRBUF b, const char *cp);
YAZ_EXPORT int wrbuf_xmlputs_n(WRBUF b, const char *cp, int size);
YAZ_EXPORT int wrbuf_puts(WRBUF b, const char *buf);
YAZ_EXPORT int wrbuf_xmlputs(WRBUF b, const char *cp);
-YAZ_EXPORT void wrbuf_printf(WRBUF b, const char *fmt, ...);
+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_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);