FWS_INIT
w->state = w->state >= FWS_R ? FWS_U : FWS_INIT;
w->state = w->state >= FWS_C ? FWS_U : FWS_INIT;
w->state = FWS_INIT;
w->state = FWS_INIT;
w->state = FWS_INIT;
iter->w.state = FWS_INIT;
iter->w.state = FWS_INIT;
w->state = FWS_INIT;