vn_isunder        641 kern/uipc_usrreq.c 				    !vn_isunder(vp, p->p_cwdi->cwdi_rdir, p)) {
vn_isunder        410 kern/vfs_getcwd.c 	return (vn_isunder(r1, r2, p2));
vn_isunder        431 sys/vnode.h    int	vn_isunder(struct vnode *, struct vnode *, struct proc *);