_aucat_rmsg
if (!_aucat_rmsg(hdl, &eof)) {
int _aucat_rmsg(struct aucat *, int *);
if (!_aucat_rmsg(&hdl->aucat, &hdl->mio.eof))
if (!_aucat_rmsg(&hdl->aucat, &hdl->sio.eof))
if (!_aucat_rmsg(&hdl->aucat, &hdl->sio.eof))
if (!_aucat_rmsg(&hdl->aucat, &hdl->sioctl.eof))