bool read_ecdsa_public_key(struct meshlink_handle *mesh, struct connection_t *) __attribute__((__warn_unused_result__));
bool read_ecdsa_private_key(struct meshlink_handle *mesh) __attribute__((__warn_unused_result__));
bool node_write_config(struct meshlink_handle *mesh, struct node_t *, bool new_key) __attribute__((__warn_unused_result__));
-void send_mtu_probe(struct meshlink_handle *mesh, struct node_t *);
void handle_meta_connection_data(struct meshlink_handle *mesh, struct connection_t *);
void retry(struct meshlink_handle *mesh);
void flush_meta(struct meshlink_handle *mesh, struct connection_t *);