get_next_ns
while ((nsp = get_next_ns(&curr_ns, ns_err)) != NULL) {
while ((nsp = get_next_ns(&curr_ns, ns_err)) != NULL) {
while ((nsp = get_next_ns(&curr_ns, ns_err)) != NULL) {
while ((nsp = get_next_ns(&curr_ns, ns_err)) != NULL) {
static struct ns_info *get_next_ns(struct __nsw_lookup **, int);