extern void msg_event_raise(const uschar *, const address_item *);
#endif
extern const uschar * exim_errstr(int);
-extern void exim_exit(int);
+extern void exim_exit(int, const uschar *);
extern void exim_nullstd(void);
extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
extern void exim_wait_tick(struct timeval *, int);
extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
extern void smtp_log_no_mail(void);
extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
-extern void smtp_proxy_tls(uschar *, size_t, int, int);
+extern void smtp_proxy_tls(uschar *, size_t, int *, int);
extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
extern void smtp_respond(uschar *, int, BOOL, uschar *);
extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
extern int strncmpic(const uschar *, const uschar *, int);
extern uschar *strstric(uschar *, uschar *, BOOL);
+#ifdef EXIM_TFO_PROBE
+extern void tfo_probe(void);
+#endif
extern void timesince(struct timeval * diff, struct timeval * then);
extern void tls_modify_variables(tls_support *);
extern uschar *tod_stamp(int);