extern int print_neigh(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg);
extern int ipaddr_list_or_flush(int argc, char **argv, int flush);
extern int iproute_monitor(int argc, char **argv);
extern int print_neigh(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg);
extern int ipaddr_list_or_flush(int argc, char **argv, int flush);
extern int iproute_monitor(int argc, char **argv);