extern int connman_rtnl_register(struct connman_rtnl *rtnl);
extern void connman_rtnl_unregister(struct connman_rtnl *rtnl);
-int connman_rtnl_send_getlink(void);
-int connman_rtnl_send_getroute(void);
+extern int connman_rtnl_send_getlink(void);
+extern int connman_rtnl_send_getroute(void);
#ifdef __cplusplus
}