DEVI_S_DETACHING
{ "S_DETACHING", DEVI_S_DETACHING, DEVI_S_DETACHING },
((DEVI(dip)->devi_state & DEVI_S_DETACHING) == DEVI_S_DETACHING)
DEVI(dip)->devi_state |= DEVI_S_DETACHING; \
DEVI(dip)->devi_state &= ~DEVI_S_DETACHING; \