PHP_HAVE_BUILTIN_CTZL 513 Zend/zend_alloc.c #if (defined(__GNUC__) || __has_builtin(__builtin_ctzl)) && SIZEOF_ZEND_LONG == SIZEOF_LONG && defined(PHP_HAVE_BUILTIN_CTZL) PHP_HAVE_BUILTIN_CTZL 552 Zend/zend_alloc.c #if (defined(__GNUC__) || __has_builtin(__builtin_ctzl)) && SIZEOF_ZEND_LONG == SIZEOF_LONG && defined(PHP_HAVE_BUILTIN_CTZL)