MLY_SLOT_START
mc = mly->mly_ccbs + (slot - MLY_SLOT_START);
mc = mly->mly_ccbs + (slot - MLY_SLOT_START);
mc->mc_slot = MLY_SLOT_START + i;
mc->mc_sgoff = (mc->mc_slot - MLY_SLOT_START) *
#define MLY_SLOT_MAX (MLY_SLOT_START + MLY_MAX_CCBS)