extern uschar *string_format_size(int, uschar *);
extern int string_interpret_escape(uschar **);
extern int string_is_ip_address(uschar *, int *);
extern uschar *string_log_address(address_item *, BOOL, BOOL);
extern uschar *string_nextinlist(uschar **, int *, uschar *, int);
extern uschar *string_format_size(int, uschar *);
extern int string_interpret_escape(uschar **);
extern int string_is_ip_address(uschar *, int *);
extern uschar *string_log_address(address_item *, BOOL, BOOL);
extern uschar *string_nextinlist(uschar **, int *, uschar *, int);