ads->iflags |= adns_if_permit_ipv6;
else {
configparseerr(ads,fn,lno, "option adns_af has bad value `%.*s' "
"(must be `any' or list {`ipv4',`ipv6'},...)",
ads->iflags |= adns_if_permit_ipv6;
else {
configparseerr(ads,fn,lno, "option adns_af has bad value `%.*s' "
"(must be `any' or list {`ipv4',`ipv6'},...)",