B_WARM
} else if (ISSET(bp->b_flags, B_WARM)) {
CLR(bp->b_flags, B_WARM);
} else if (ISSET(bp->b_flags, B_WARM)) {
CLR(bp->b_flags, B_WARM);
} else if (ISSET(bp->b_flags, B_WARM)) {
if (ISSET(bp->b_flags, B_WARM | B_COLD)) {
SET(bp->b_flags, B_WARM);
CLR(bp->b_flags, B_WARM);