int *, const uschar **);
extern void *search_open(const uschar *, int, int, uid_t *, gid_t *);
extern void search_tidyup(void);
+extern uschar *sender_helo_verified_boolstr(void);
extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
extern void sha1_end(hctx *, const uschar *, int, uschar *);
extern void sha1_mid(hctx *, const uschar *);