1extern int print_linkinfo(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg); 2extern int print_addrinfo(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg); 3extern int print_neigh(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg); 4extern int ipaddr_list(int argc, char **argv); 5extern int ipaddr_list_link(int argc, char **argv); 6extern int iproute_monitor(int argc, char **argv); 7extern void iplink_usage(void) __attribute__((noreturn)); 8extern void iproute_reset_filter(void); 9extern void ipaddr_reset_filter(int); 10extern void ipneigh_reset_filter(void); 11extern int print_route(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg); 12extern int do_ipaddr(int argc, char **argv); 13extern int do_iproute(int argc, char **argv); 14extern int do_iprule(int argc, char **argv); 15extern int do_ipneigh(int argc, char **argv); 16extern int do_iptunnel(int argc, char **argv); 17extern int do_iplink(int argc, char **argv); 18extern int do_ipmonitor(int argc, char **argv); 19extern int do_multiaddr(int argc, char **argv); 20extern int do_multiroute(int argc, char **argv); 21