text: DECL|N_THR|macro|N_THR
  DECL|ONE_SECOND|macro|ONE_SECOND
  DECL|STACKSZ|macro|STACKSZ
  DECL|THREAD_PRIORITY|macro|THREAD_PRIORITY
  DECL|exit_count|variable|exit_count
  DECL|is_sched_prio_valid|function|static bool is_sched_prio_valid(int prio, int policy)
  DECL|test_main|function|void test_main(void)
  DECL|test_pthread_join|function|void test_pthread_join(void)
  DECL|thread_top|function|void *thread_top(void *p1)
  