VOP_SYMLINK
error = VOP_SYMLINK(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
error = VOP_SYMLINK(dvp, ap->a_vpp, cnp, ap->a_vap,
error = VOP_SYMLINK(udvp, &uvp, cnp, ap->a_vap, ap->a_target);
error = VOP_SYMLINK(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr, path);
error = VOP_SYMLINK(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &va, pathcp);
error = VOP_SYMLINK(dvp, vpp, cnp, vap, target);
int VOP_SYMLINK(struct vnode *, struct vnode **, struct componentname *,