extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
extern void host_build_log_info(void);
extern void host_build_sender_fullhost(void);
-extern BOOL host_find_byname(host_item *, const uschar *, int,
+extern int host_find_byname(host_item *, const uschar *, int,
const uschar **, BOOL);
extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
uschar *, const dnssec_domains *, const uschar **, BOOL *);
#ifdef SUPPORT_I18N
extern BOOL string_is_utf8(const uschar *);
#endif
-extern uschar *string_log_address(address_item *, BOOL, BOOL);
extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
extern const uschar *string_printing2(const uschar *, BOOL);