ibt_alt_path_attr_t
ibt_alt_path_attr_t path_attr;
bzero(&path_attr, sizeof (ibt_alt_path_attr_t));
ibt_alt_path_attr_t *attrp, ibt_alt_path_info_t *api_p)
ibt_alt_path_attr_t *attr, ibt_alt_path_info_t *alt_pathp);
ibt_alt_path_attr_t *attr, ibt_alt_path_info_t *alt_path);