cstatvfs32
error = cstatvfs32(vp->v_vfsp, (struct statvfs32 *)sbp);
error = cstatvfs32(fp->f_vnode->v_vfsp, (struct statvfs32 *)sbp);
error = cstatvfs32(vp->v_vfsp, sbp);
error = cstatvfs32(fp->f_vnode->v_vfsp, sbp);