forwards_add_zone
int forwards_add_zone(struct iter_forwards* fwd, uint16_t c,
if(!forwards_add_zone(fwd, LDNS_RR_CLASS_IN, dp, nolock)) {
if(!forwards_add_zone(fwd, LDNS_RR_CLASS_IN, dp, nolock)) {
int forwards_add_zone(struct iter_forwards* fwd, uint16_t c,