rb_str_each_byte 5733 string.c           if (single_byte_optimizable(str)) return rb_str_each_byte(str);
rb_str_each_byte 7125 string.c           rb_define_method(rb_cString, "bytes", rb_str_each_byte, 0);
rb_str_each_byte 7175 string.c           rb_define_method(rb_cString, "each_byte", rb_str_each_byte, 0);