extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */
extern uschar *tls_crl; /* CRL File */
extern uschar *tls_dhparam; /* DH param file */
+#if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
+extern uschar *tls_ocsp_file; /* OCSP stapling proof file */
+#endif
extern BOOL tls_offered; /* Server offered TLS */
extern uschar *tls_privatekey; /* Private key file */
extern BOOL tls_remember_esmtp; /* For YAEB */