-extern void handle_duplicate_node(meshlink_handle_t *mesh, struct node_t *n);
-extern void handle_network_change(meshlink_handle_t *mesh, bool online);
-extern void call_error_cb(meshlink_handle_t *mesh, meshlink_errno_t meshlink_errno);
+void handle_duplicate_node(meshlink_handle_t *mesh, struct node_t *n);
+void handle_network_change(meshlink_handle_t *mesh, bool online);
+void call_error_cb(meshlink_handle_t *mesh, meshlink_errno_t meshlink_errno);