udf_dir_detach
udf_dir_detach(tdnode->ump, tdnode, tnode, tcnp);
error = udf_dir_detach(tdnode->ump, fdnode, fnode, fcnp);
udf_dir_detach(tdnode->ump, tdnode, fnode, tcnp);
udf_dir_detach(dir_node->ump, dir_node, udf_node, cnp);
int udf_dir_detach(struct udf_mount *ump, struct udf_node *dir_node, struct udf_node *udf_node, struct componentname *cnp);
udf_dir_detach(udf_node->ump, dir_node, udf_node, cnp);
error = udf_dir_detach(ump, dir_node, udf_node, cnp);
error = udf_dir_detach(ump, dir_node, udf_node, cnp);