extern const uschar *parse_find_at(const uschar *);
extern const uschar *parse_fix_phrase(const uschar *, int);
extern const uschar *parse_message_id(const uschar *, uschar **, uschar **);
extern const uschar *parse_find_at(const uschar *);
extern const uschar *parse_fix_phrase(const uschar *, int);
extern const uschar *parse_message_id(const uschar *, uschar **, uschar **);
-extern const uschar *parse_quote_2047(const uschar *, int, uschar *, BOOL);
+extern const uschar *parse_quote_2047(const uschar *, int, const uschar *,
+ BOOL);
extern const uschar *parse_date_time(const uschar *str, time_t *t);
extern void priv_drop_temp(const uid_t, const gid_t);
extern void priv_restore(void);
extern const uschar *parse_date_time(const uschar *str, time_t *t);
extern void priv_drop_temp(const uid_t, const gid_t);
extern void priv_restore(void);
extern const uschar *rewrite_one(const uschar *, int, BOOL *, BOOL, uschar *,
rewrite_rule *);
extern void rewrite_test(const uschar *);
extern const uschar *rewrite_one(const uschar *, int, BOOL *, BOOL, uschar *,
rewrite_rule *);
extern void rewrite_test(const uschar *);
-extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
- uschar **);
+extern uschar *rfc2047_decode2(uschar *, BOOL, const uschar *, int, int *,
+ int *, uschar **);
extern int route_address(address_item *, address_item **, address_item **,
address_item **, address_item **, int);
extern int route_check_prefix(const uschar *, const uschar *, unsigned *);
extern int route_address(address_item *, address_item **, address_item **,
address_item **, address_item **, int);
extern int route_check_prefix(const uschar *, const uschar *, unsigned *);