extern uschar * tls_cert_fprt_sha1(void *);
extern uschar * tls_cert_fprt_sha256(void *);
-extern void * tls_client_start(int, host_item *, address_item *,
- transport_instance *,
-# ifdef SUPPORT_DANE
- dns_answer *,
-# endif
- tls_support *, uschar **);
+extern BOOL tls_client_start(client_conn_ctx *, smtp_connect_args *,
+ void *, tls_support *, uschar **);
+
extern void tls_close(void *, int);
extern BOOL tls_could_read(void);
extern int tls_export_cert(uschar *, size_t, void *);
extern void gstring_reset_unused(gstring *);
extern void header_add(int, const char *, ...);
+extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...);
extern int header_checkname(header_line *, BOOL);
extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
extern int host_address_extract_port(uschar *);