extern void receive_swallow_smtp(void);
#ifdef WITH_CONTENT_SCAN
extern int regex(const uschar **, BOOL);
+extern void regex_vars_clear(void);
#endif
extern void regex_at_daemon(const uschar *);
extern BOOL regex_match(const pcre2_code *, const uschar *, int, uschar **);
extern const pcre2_code *regex_compile(const uschar *, mcs_flags, uschar **,
pcre2_compile_context *);
extern const pcre2_code *regex_must_compile(const uschar *, mcs_flags, BOOL);
-extern void regex_vars_clear(void);
extern void retry_add_item(address_item *, uschar *, int);
extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
uschar **, uschar **);