+extern void mark_connection_closed(struct reusable_connection *closed_connection);
+#ifdef FEATURE_CONNECTION_KEEP_ALIVE
+extern int connection_destination_matches(const struct reusable_connection *connection,
+ const struct http_request *http,
+ const struct forward_spec *fwd);
+#endif /* def FEATURE_CONNECTION_KEEP_ALIVE */
+
+#ifdef FUZZ
+extern jb_err socks_fuzz(struct client_state *csp);