* nss_nisplus: When using parser form nss_files, rewrite parser
* nis_table.c: nis_list():
Missing flags: FOLLOW_PATH, ALL_RESULTS
callback: Don't simulate it, use server callback thread
* Missing flags:
- FOLLOW_PATH (nis_list, not supported)
- ALL_RESULTS (nis_list, not supported, needs server callback)
- NO_CACHE (__do_niscall, cache not supported yet)