_aucat_setfl
int _aucat_setfl(struct aucat *, int, int *);
_aucat_setfl(&hdl->aucat, 0, &hdl->mio.eof);
if (!_aucat_setfl(&hdl->aucat, 1, &hdl->mio.eof))
if (!_aucat_setfl(&hdl->aucat, 1, &hdl->sio.eof))
if (!_aucat_setfl(&hdl->aucat, 0, &hdl->sio.eof))
if (!_aucat_setfl(&hdl->aucat, 1, &hdl->sioctl.eof))
_aucat_setfl(&hdl->aucat, 0, &hdl->sioctl.eof);