rem: bPtr->flags.enabled = flag ? 1 : 0;
add: bPtr->flags.enabled = ((flag==0) ? 0 : 1);
context: WMSetButtonEnabled(WMButton *bPtr, Bool flag){    bPtr->flags.enabled = flag ? 1 : 0;    if (bPtr->view->flags.mapped) {	paintButton(bPtr);    }}