YAZ_EXPORT void wrbuf_free(WRBUF b, int free_buf);
YAZ_EXPORT void wrbuf_rewind(WRBUF b);
YAZ_EXPORT int wrbuf_grow(WRBUF b, int minsize);
YAZ_EXPORT void wrbuf_free(WRBUF b, int free_buf);
YAZ_EXPORT void wrbuf_rewind(WRBUF b);
YAZ_EXPORT int wrbuf_grow(WRBUF b, int minsize);