sldns_wire2str_rr_buf
size_t slen = (size_t)sldns_wire2str_rr_buf(rr, len, NULL, 0);
sldns_wire2str_rr_buf(rr, len, result, slen+1);
int sldns_wire2str_rr_buf(uint8_t* rr, size_t rr_len, char* str,
wlen = (size_t)sldns_wire2str_rr_buf(rr, rlen, dest, dest_len);
size_t slen = (size_t)sldns_wire2str_rr_buf(rr, len, NULL, 0);
sldns_wire2str_rr_buf(rr, len, result, slen+1);
int sldns_wire2str_rr_buf(uint8_t* rr, size_t rr_len, char* str,
written = sldns_wire2str_rr_buf(
(void) sldns_wire2str_rr_buf(
err = sldns_wire2str_rr_buf(b, len, txt_out, bufs);
wlen = (size_t)sldns_wire2str_rr_buf(rr, rlen, dest, dest_len);