rb_set_end_proc  6021 eval.c             rb_set_end_proc(call_end_proc, rb_f_lambda());
rb_set_end_proc  6032 eval.c             rb_set_end_proc(call_end_proc, proc);
rb_set_end_proc  1885 ext/curses/curses.c     rb_set_end_proc(curses_finalize, 0);