extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
#ifndef DISABLE_DKIM
-extern BOOL dkim_transport_write_message(address_item *, int, int,
- uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
- int, struct ob_dkim *);
+extern BOOL dkim_transport_write_message(int, transport_ctx *,
+ struct ob_dkim *);
#endif
extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
extern int dns_basic_lookup(dns_answer *, const uschar *, int);
extern void transport_update_waiting(host_item *, uschar *);
extern BOOL transport_write_block(int, uschar *, int);
extern BOOL transport_write_string(int, const char *, ...);
-extern BOOL transport_headers_send(address_item *, int, uschar *, uschar *,
- BOOL (*)(int, uschar *, int, BOOL), BOOL, rewrite_rule *, int);
-extern BOOL transport_write_message(address_item *, int, int, int, uschar *,
- uschar *, uschar *, uschar *, rewrite_rule *, int);
+extern BOOL transport_headers_send(address_item *, int, transport_instance *,
+ BOOL (*)(int, uschar *, int, BOOL),
+ BOOL);
+extern BOOL transport_write_message(int, transport_ctx *, int);
extern void tree_add_duplicate(uschar *, address_item *);
extern void tree_add_nonrecipient(uschar *);
extern void tree_add_unusable(host_item *);