vn_fill_kinfo_vnode
error = vn_fill_kinfo_vnode(vp, kif);
error = vn_fill_kinfo_vnode(vp, kif);
error = vn_fill_kinfo_vnode(vp, kif);
int vn_fill_kinfo_vnode(struct vnode *vp, struct kinfo_file *kif);