cnd_broadcast
int cnd_broadcast(cnd_t *);
ATF_REQUIRE_EQ(cnd_broadcast(&b_c), thrd_success);
ATF_TC(cnd_broadcast);
ATF_TC_HEAD(cnd_broadcast, tc)
ATF_TC_BODY(cnd_broadcast, tc)
ATF_TP_ADD_TC(tp, cnd_broadcast);