+extern void close_meshlink_pair(meshlink_handle_t *a, meshlink_handle_t *b);
+
+/// Link two meshlink instances.
+extern void link_meshlink_pair(meshlink_handle_t *a, meshlink_handle_t *b);
+
+/// Default log callback
+extern void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text);