dev_refthread
csw = dev_refthread(dev, &ref);
xbb->backend.dev.csw = dev_refthread(xbb->backend.dev.cdev,
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
csw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
dsw = dev_refthread(dev, &ref);
struct cdevsw *dev_refthread(struct cdev *_dev, int *_ref);
csw = dev_refthread(dev, &ref);
csw = dev_refthread(dev, &ref);
dsw = dev_refthread(cdev, &ref);