xfrd_parse_soa_info
if(!xfrd_parse_soa_info(packet, soa)) {
if(!packet_skip_dname(packet) || !xfrd_parse_soa_info(packet, soa)) {
if(!xfrd_parse_soa_info(packet, soa))
xfrd_parse_soa_info(packet, &soa)) {
static int xfrd_parse_soa_info(buffer_type* packet, xfrd_soa_type* soa);