dns_name_dup
dns_name_dup(const dns_name_t *source,
return (dns_name_dup(source, target));
ret = dns_name_dup(name, &tkey->name);
ret = dns_name_dup(algorithm, tkey->algorithm);
ret = dns_name_dup(creator, tkey->creator);
ret = dns_name_dup(&key->name, owner);