extern int netlink_nflog_group;
extern int netlink_req_fd;
-int netlink_init(void);
+void netlink_init(void);
int netlink_configure_arp(unsigned int ifindex, int pf);
void netlink_update_binding(struct interface *ifp, union sockunion *proto, union sockunion *nbma);
void netlink_set_nflog_group(int nlgroup);