vfs_relookup
if ((error = vfs_relookup(tdvp, &tvp, tcnp)) != 0)
(void) vfs_relookup(fdvp, &fvp, fcnp);
int vfs_relookup(struct vnode *dvp, struct vnode **vpp,
(void) vfs_relookup(fdvp, &fvp, fcnp);
if ((error = vfs_relookup(tdvp, &tvp, tcnp)) != 0)
(void) vfs_relookup(fdvp, &fvp, fcnp);
if ((error = vfs_relookup(fdvp, &fvp, fcnp)) != 0) {
if ((error = vfs_relookup(fdvp, &fvp, fcnp)) != 0)
if ((error = vfs_relookup(tdvp, &tvp, tcnp)) != 0)