_tmpl_pg_name
*tmpl_pg_name = _tmpl_pg_name(pg_name, pg_type, 1);
*tmpl_pg_name = _tmpl_pg_name(pg_name, NULL, 0);
*tmpl_pg_name = _tmpl_pg_name(NULL, pg_type, 0);
*tmpl_pg_name = _tmpl_pg_name(NULL, NULL, 0);