_PATH_LASTLOG
fd = open(_PATH_LASTLOG, O_RDONLY);
if ((fd = open(_PATH_LASTLOG, O_RDWR)) >= 0) {
lastlog = _PATH_LASTLOG;
lastlog = _PATH_LASTLOG;
#if defined(_PATH_LASTLOG)
if ((fd = open(_PATH_LASTLOG, O_RDWR)) >= 0) {
#if defined(_PATH_LASTLOG) && defined(_linux_)