unregister_ubf_list 1176 thread_pthread.c unregister_ubf_list(rb_thread_t *th) unregister_ubf_list 1240 thread_pthread.c #define unregister_ubf_list(th) (void)(th) unregister_ubf_list 22 thread_win32.c #define unregister_ubf_list(th)