F_NODEV
f->f_flags |= F_NODEV;
f->f_flags |= F_NODEV;
f->f_flags |= F_NODEV;
f->f_flags |= F_NODEV; /* handled by Windows */
if (!(f->f_flags & F_NODEV))
f->f_flags |= F_NODEV; /* handled by DOS */
of->f_flags |= F_NODEV;
t->flags = F_NODEV|F_UDISABLED;
#define F_DISABLED (F_NODEV|F_UDISABLED)
if (!(t->flags & F_NODEV))
t->flags |= F_NODEV|F_CCONNECT|F_ROOTINTR;
if (!(t->flags & F_NODEV))
t->flags |= F_CCONNECT|F_ROOTINTR|F_NODEV;
if (t->flags & F_NODEV)
t->flags &= ~(F_NODEV|F_LOWSPEED);
if (t->flags & F_NODEV)
t->flags ^= F_NODEV;
if (!(t->flags & F_NODEV))
t->flags |= F_NODEV|F_CCONNECT|F_ROOTINTR;
t->flags |= F_NODEV;
t->flags &= ~F_NODEV;
if (!(t->flags & F_NODEV))
if (!(f->f_flags & F_NODEV))
|| (((f->f_flags & F_NODEV) == 0) &&
if ((f->f_flags & F_NODEV) == 0) {
f->f_flags = F_NODEV | F_READ;