_asr_print_sockaddr
fprintf(f, " %s\n", _asr_print_sockaddr(ac->ac_ns[i], buf,
const char *_asr_print_sockaddr(const struct sockaddr *, char *, size_t);
_asr_print_sockaddr(AS_NS_SA(as), buf, sizeof buf));
_asr_print_sockaddr(AS_NS_SA(as), buf, sizeof buf));