text: /* The APIs for user */
  
  /* To start LWPs */
  int LWP_EnvInit(int cpu_num);
  /* To end LWPs */
  int LWP_EnvEnd();
  /* To start FiberTest */
  int my_test(int fb_num);
  /* To start normal thread test */
  int normal_test(int thread_num);
  