PCW_MAPPED
if (which && (memp->pcw_status & PCW_MAPPED)) {
memp->pcw_status &= ~(PCW_MAPPED|PCW_ENABLED);
if (!(memp->pcw_status & PCW_MAPPED)) {
memp->pcw_status |= PCW_MAPPED;
if (which && memp->pcw_status & PCW_MAPPED) {
memp->pcw_status &= ~PCW_MAPPED;
if (winp->pcw_status & PCW_MAPPED) {
winp->pcw_status &= ~(PCW_MAPPED|PCW_ENABLED);
winp->pcw_status |= PCW_MAPPED;
if (winp->pcw_status & PCW_MAPPED) {
winp->pcw_status &= ~PCW_MAPPED;
PCW_MAPPED) {
PCW_MAPPED) {