dns_name_fromtext
result = dns_name_fromtext(lookup->oname, &b, dns_rootname,
result = dns_name_fromtext(name, &b, NULL, 0, NULL);
result = dns_name_fromtext(lookup->name, &b,
result = dns_name_fromtext(&keyname, namebuf, dns_rootname, 0, namebuf);
dns_name_fromtext(dns_name_t *name, isc_buffer_t *source,
result = dns_name_fromtext(name, &buf, origin, options, NULL);