them. Also, the tls_ variables are now always visible. */
extern int tls_active; /* fd/socket when in a TLS session */
+extern int tls_bits; /* bits used in TLS session */
extern BOOL tls_certificate_verified; /* Client certificate verified */
extern uschar *tls_cipher; /* Cipher used */
extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
extern uschar *auth_vars[]; /* $authn variables */
extern int auto_thaw; /* Auto-thaw interval */
#ifdef WITH_CONTENT_SCAN
+extern BOOL av_failed; /* TRUE if the AV process failed */
extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
#endif