host_hash
if ((hashed_host = host_hash(lhost, NULL, 0)) == NULL) {
if ((hashed_host = host_hash(host, names, nlen)) == NULL)
char *host_hash(const char *, const char *, u_int);
if ((hashed = host_hash(cp, NULL, 0)) == NULL)
if (hash_hosts && (hashed = host_hash(hostport, NULL, 0)) == NULL)