rb_gc_disable    2644 ext/tk/tcltklib.c         old_gc = rb_gc_disable();
rb_gc_disable    3056 ext/tk/tcltklib.c     old_gc = rb_gc_disable();
rb_gc_disable    8847 ext/tk/tcltklib.c         old_gc = rb_gc_disable();
rb_gc_disable    8894 ext/tk/tcltklib.c         old_gc = rb_gc_disable();
rb_gc_disable    8952 ext/tk/tcltklib.c     old_gc = rb_gc_disable();
rb_gc_disable     899 ext/tk/tkutil/tkutil.c     old_gc = rb_gc_disable();
rb_gc_disable    1595 ext/tk/tkutil/tkutil.c     old_gc = rb_gc_disable();
rb_gc_disable    2885 gc.c               rb_define_singleton_method(rb_mGC, "disable", rb_gc_disable, 0);
rb_gc_disable     369 include/ruby/intern.h VALUE rb_gc_disable(void);