extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
extern uschar *acl_current_verb(void);
extern int acl_eval(int, uschar *, uschar **, uschar **);
+extern uschar *acl_standalone_setvar(const uschar *);
extern tree_node *acl_var_create(uschar *);
extern void acl_var_write(uschar *, uschar *, void *);
extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
extern BOOL readconf_print(const uschar *, uschar *, BOOL);
extern uschar *readconf_printtime(int);
-extern uschar *readconf_readname(uschar *, int, uschar *);
+extern const uschar *readconf_readname(uschar *, int, const uschar *);
extern int readconf_readtime(const uschar *, int, BOOL);
extern void readconf_rest(void);
extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);