std_dh_prime_default(void);
extern const char *
std_dh_prime_named(const uschar *);
-extern int tls_client_start(int, host_item *, address_item *, uschar *,
+extern int tls_client_start(int, host_item *, address_item *,
uschar *, uschar *, uschar *, uschar *, uschar *, uschar *,
+# ifdef EXPERIMENTAL_OCSP
+ uschar *,
+# endif
int, int);
extern void tls_close(BOOL, BOOL);
extern int tls_feof(void);