rb_builtin_type_name 2733 compile.c      			rb_builtin_type_name(TYPE(lit)));
rb_builtin_type_name  567 error.c        	const char *tname = rb_builtin_type_name(t);
rb_builtin_type_name  946 internal.h     const char *rb_builtin_type_name(int t);
rb_builtin_type_name  708 marshal.c      		     rb_builtin_type_name(BUILTIN_TYPE(obj)));