RCLASS_SUPER       14 include/ruby/backward/classext.h #undef RCLASS_SUPER(c)
RCLASS_SUPER       16 include/ruby/backward/classext.h #define RCLASS_SUPER(c) (RCLASS(c)->super)
RCLASS_SUPER      905 include/ruby/ruby.h #define RCLASS_SUPER(c) rb_class_get_superclass(c)
RCLASS_SUPER      656 internal.h     #undef RCLASS_SUPER
RCLASS_SUPER      658 internal.h     RCLASS_SUPER(VALUE klass)