nss_getent_u
static nss_status_t nss_getent_u(nss_db_root_t *,
status = nss_getent_u(rootp, initf, contextpp, args);
static nss_status_t nss_getent_u(nss_db_root_t *, nss_db_initf_t,
status = nss_getent_u(rootp, initf, contextpp, args);