kidmap_cache_lookup_uidbysid
if (kidmap_cache_lookup_uidbysid(&zs->cache, sid_prefix, rid, uid)
if (kidmap_cache_lookup_uidbysid(&get_handle->zs->cache, sid_prefix,
kidmap_cache_lookup_uidbysid(idmap_cache_t *cache, const char *sid_prefix,