/* 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 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) */