static const zend_function_entry builtin_functions[] = {
   ZEND_FE(zend_version, arginfo_zend__void)
   ZEND_FE(func_num_args, arginfo_zend__void)
   ZEND_FE(func_get_arg, arginfo_func_get_arg)
   ZEND_FE(func_get_args, arginfo_zend__void)
   ZEND_FE(strlen, arginfo_strlen)
   ZEND_FE(strcmp, arginfo_strcmp)
   ZEND_FE(strncmp, arginfo_strncmp)
   ZEND_FE(strcasecmp, arginfo_strcmp)
   ZEND_FE(strncasecmp, arginfo_strncmp)
   ZEND_FE(each, arginfo_each)
   ZEND_FE(error_reporting, arginfo_error_reporting)
   ZEND_FE(define, arginfo_define)
   ZEND_FE(defined, arginfo_defined)
   ZEND_FE(get_class, arginfo_get_class)
/* ... */ 
INIT_CLASS_ENTRY(class_entry, "stdClass", NULL); // stdClass
zend_standard_class_def =
   zend_register_internal_class(&class_entry TSRMLS_CC);