bktr_ioctl
bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr)
#define bktr_ioctl bktrioctl
bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag,
bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, void *arg, int flag, struct proc* pr)