ib_ucm_path_get
result = ib_ucm_path_get(¶m.path, cmd.path);
result = ib_ucm_path_get(¶m.primary_path, cmd.primary_path);
result = ib_ucm_path_get(¶m.alternate_path, cmd.alternate_path);
result = ib_ucm_path_get(&path, cmd.path);