ypdb_secure
int ypdb_secure(const char *, const char *);
secure = ypdb_secure(k->domain, k->map);
secure = ypdb_secure(k->domain, k->map);
secure = ypdb_secure(k->domain, k->map);
secure = ypdb_secure(k->domain, k->map);
secure = ypdb_secure(k->domain, k->map);
secure = ypdb_secure(k->domain, k->map);