extern uschar *deliver_get_sender_address (uschar *id);
-#ifdef WITH_OLD_DEMIME
-extern int demime(const uschar **);
-#endif
extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
#ifndef DISABLE_DKIM
extern BOOL dkim_transport_write_message(address_item *, int, int,
extern uschar *event_raise(uschar *, const uschar *, uschar *);
extern void msg_event_raise(const uschar *, const address_item *);
#endif
+extern uschar ehlo_response(uschar *, size_t, uschar);
extern const uschar * exim_errstr(int);
extern void exim_exit(int);
extern void exim_nullstd(void);
extern uschar *string_append_listele(uschar *, uschar, const uschar *);
extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
extern uschar *string_base62(unsigned long int);
-extern uschar *string_cat(uschar *, int *, int *, const uschar *, int);
+extern uschar *string_cat(uschar *, int *, int *, const uschar *);
+extern uschar *string_catn(uschar *, int *, int *, const uschar *, int);
extern int string_compare_by_pointer(const void *, const void *);
extern uschar *string_copy_dnsdomain(uschar *);
extern uschar *string_copy_malloc(const uschar *);