is_path_used
is_path_used(lml, unref, &nl, rpl_libdirs, config->c_name);
is_path_used(lml, unref, &nl, prm_libdirs, config->c_name);
is_path_used(lml, unref, &nl, RLIST(lmp), NAME(lmp));
is_path_used(lml, unref, &nl, RLIST(lmp), NAME(lmp));