rb_singleton_class_attached  170 class.c        	rb_singleton_class_attached(RBASIC(clone)->klass, (VALUE)clone);
rb_singleton_class_attached  208 class.c            rb_singleton_class_attached(metametaclass, metaclass);
rb_singleton_class_attached  237 class.c        	rb_singleton_class_attached(klass, obj);
rb_singleton_class_attached  148 include/ruby/intern.h void rb_singleton_class_attached(VALUE,VALUE);
rb_singleton_class_attached  510 include/ruby/ruby.h     rb_singleton_class_attached(RBASIC(clone)->klass, (VALUE)clone);\