pcm_state
unsigned char pcm_state ; /* state PC[0-9]_* */
struct pcm_state pcm_state[NUMPHYS] ; /* port A & port B */
struct pcm_state *pcs ;
for (i = 0, phy = smc->y, pcs = state->pcm_state ; i < NUMPHYS ;
pcs->pcm_state = (u_char) mib->fddiPORTPCMState ;