const uschar **, BOOL);
extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
uschar *, const dnssec_domains *, const uschar **, BOOL *);
const uschar **, BOOL);
extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
uschar *, const dnssec_domains *, const uschar **, BOOL *);