extern BOOL tls_openssl_options_parse(uschar *, long *);
# endif
extern uschar * tls_field_from_dn(uschar *, uschar *);
-# ifdef EXPERIMENTAL_CERTNAMES
extern BOOL tls_is_name_for_cert(uschar *, void *);
-# endif
# ifdef EXPERIMENTAL_DANE
extern int tlsa_lookup(host_item *, dns_answer *, BOOL, BOOL *);
extern int_eximarith_t expand_string_integer(uschar *, BOOL);
extern void modify_variable(uschar *, void *);
+extern BOOL fd_ready(int, int);
+
extern int filter_interpret(uschar *, int, address_item **, uschar **);
extern BOOL filter_personal(string_item *, BOOL);
extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
extern void invert_address(uschar *, uschar *);
extern int ip_bind(int, int, uschar *, int);
-extern int ip_connect(int, int, uschar *, int, int);
+extern int ip_connect(int, int, const uschar *, int, int);
extern int ip_connectedsocket(int, const uschar *, int, int,
int, host_item *, uschar **);
extern int ip_get_address_family(int);
extern void log_close_all(void);
#ifdef WITH_CONTENT_SCAN
-extern int malware(uschar **);
+extern int malware(const uschar *, int);
extern int malware_in_file(uschar *);
#endif
extern int match_address_list(uschar *, BOOL, BOOL, uschar **,
extern void queue_run(uschar *, uschar *, BOOL);
extern int random_number(int);
-#ifdef WITH_CONTENT_SCAN
-extern int recv_line(int, uschar *, int);
-#endif
extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
uschar *, uschar *, uschar *, ugid_block *, address_item **,
uschar **, error_block **, int *, uschar *);
extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
#ifdef WITH_CONTENT_SCAN
extern int spam(uschar **);
-extern FILE *spool_mbox(unsigned long *, uschar *);
+extern FILE *spool_mbox(unsigned long *, const uschar *);
#endif
extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
extern BOOL spool_open_datafile(uschar *);
extern int verify_check_header_names_ascii(uschar **);
extern int verify_check_host(uschar **);
extern int verify_check_notblind(void);
+extern int verify_check_given_host(uschar **, host_item *);
extern int verify_check_this_host(uschar **, unsigned int *, uschar*,
uschar *, uschar **);
extern address_item *verify_checked_sender(uschar *);