save_state
int len, state, save_state = 0;
save_state = state;
state = save_state;
save_state = state;
nbytes = (*vidsw[sc->adp->va_index]->save_state)(sc->adp, NULL, 0);
if ((*vidsw[sc->adp->va_index]->save_state)(sc->adp, sc->state_buf,
vi_save_state_t *save_state;
save_state();