unchar
state = pstate((unchar) atoi(getfield(&p, ':'))); /* state in nice output format */
unchar sc_sstate; /* SAC's idea of PM's state */
unchar sc_lstate; /* SAC's idea of last valid state -
unchar sc_pstate; /* PM's last reported state - note:
pstate(unchar state)
scsi_htos_3byte(unchar *ap, ulong nav)
ap[2] = (unchar)nav;
scsi_htos_long(unchar *ap, ulong niv)
scsi_htos_short(unchar *ap, ushort nsv)
scsi_stoh_3byte(unchar *ap)