d_read            128 dev/cons.c     	return ((*cdevsw[major(dev)].d_read)(dev, uio, flag));
d_read            241 miscfs/specfs/spec_vnops.c 		error = (*cdevsw[major(vp->v_rdev)].d_read)
d_read            150 sys/conf.h     	int	(*d_read)(dev_t dev, struct uio *uio, int ioflag);