+void slog(const gchar *fmt, ...);
+void ga_set_response_delimited(GAState *s);
+bool ga_is_frozen(GAState *s);
+void ga_set_frozen(GAState *s);
+void ga_unset_frozen(GAState *s);
+const char *ga_fsfreeze_hook(GAState *s);
+int64_t ga_get_fd_handle(GAState *s, Error **errp);
+
+#ifndef _WIN32
+void reopen_fd_to_null(int fd);
+#endif