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 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 *);