FC_TRAN_CLASS1
case FC_TRAN_CLASS1:
case FC_TRAN_CLASS1:
case FC_TRAN_CLASS1:
case FC_TRAN_CLASS1:
next_class = FC_TRAN_CLASS1;
case FC_TRAN_CLASS1:
case FC_TRAN_CLASS1:
((x) == FC_TRAN_CLASS1 || (x) == FC_TRAN_CLASS2)