_PATH_HOSTS
*hostf = fopen(_PATH_HOSTS, "r");
if (!*hostf && !(*hostf = fopen(_PATH_HOSTS, "r")))
hed->hostf = fopen(_PATH_HOSTS, "r");
if (!hed->hostf && !(hed->hostf = fopen(_PATH_HOSTS, "r"))) {
const char *hostsfile = _PATH_HOSTS;