+extern int remote_protocol;
+extern int protocol_version;
+extern int io_timeout;
+extern int orig_umask;
+extern int no_detach;
+extern int default_af_hint;
+extern char *bind_address;
+extern struct exclude_struct **server_exclude_list;
+extern char *exclude_path_prefix;
+extern char *config_file;
+
+char *auth_user;