extern void readconf_print(uschar *, uschar *, BOOL);
extern uschar *readconf_printtime(int);
extern uschar *readconf_readname(uschar *, int, uschar *);
-extern int readconf_readtime(uschar *, int, BOOL);
+extern int readconf_readtime(const uschar *, int, BOOL);
extern void readconf_rest();
extern uschar *readconf_retry_error(uschar *, uschar *, int *, int *);
extern void read_message_body(BOOL);