#ifdef SUPPORT_TLS
extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
extern BOOL gnutls_allow_auto_pkcs11; /* Let GnuTLS autoload PKCS11 modules */
-extern uschar *gnutls_require_mac; /* So some can be avoided */
-extern uschar *gnutls_require_kx; /* So some can be avoided */
-extern uschar *gnutls_require_proto; /* So some can be avoided */
extern uschar *openssl_options; /* OpenSSL compatibility options */
extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
extern uschar *tls_certificate; /* Certificate file */
/* Input-reading functions for messages, so we can use special ones for
incoming TCP/IP. */
+extern int (*lwr_receive_getc)(void);
+extern int (*lwr_receive_ungetc)(int);
extern int (*receive_getc)(void);
extern int (*receive_ungetc)(int);
extern int (*receive_feof)(void);
extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
extern int check_spool_inodes; /* Minimum for message acceptance */
extern int check_spool_space; /* Minimum for message acceptance */
+extern uschar *chunking_advertise_hosts; /* RFC 3030 CHUNKING */
+extern unsigned chunking_datasize;
+extern unsigned chunking_data_left;
+extern BOOL chunking_offered;
+extern chunking_state_t chunking_state;
extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */
extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */
extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */