dns_query
ret = dns_query(cell->net->net, "afsdb", cell->name, cell->name_len,
ip_len = dns_query(net, NULL, name, namelen, NULL, &ip_addr, NULL,
rc = dns_query(current->nsproxy->net_ns, NULL, name,
extern int dns_query(struct net *net, const char *type, const char *name, size_t namelen,
ip_len = dns_query(current->nsproxy->net_ns,
EXPORT_SYMBOL(dns_query);