DNS_UFQDN_SEPARATOR
if ((id_len + sizeof(DNS_UFQDN_SEPARATOR)) >= sizeof name)
DNS_UFQDN_SEPARATOR);
*(name + id_len + sizeof(DNS_UFQDN_SEPARATOR) - 2) = '.';
*(name + id_len + sizeof(DNS_UFQDN_SEPARATOR) - 1) = '\0';
#ifndef DNS_UFQDN_SEPARATOR