driver_info *, int, void *, int, optionlist *, int);
extern uschar *readconf_find_option(void *);
extern void readconf_main(BOOL);
-extern void readconf_options_from_list(optionlist *, unsigned, uschar *);
+extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
extern void readconf_options_routers(void);
extern void readconf_options_transports(void);
extern void readconf_print(uschar *, uschar *, BOOL);