#define PHP_WIN32_IOUTIL_IS_JUNCTION_PATHW(pathw, path_lenw) (path_lenw >= PHP_WIN32_IOUTIL_JUNCTION_PREFIX_LENW \
&& 0 == wcsncmp((pathw), PHP_WIN32_IOUTIL_JUNCTION_PREFIXW, PHP_WIN32_IOUTIL_JUNCTION_PREFIX_LENW))
#define PHP_WIN32_IOUTIL_IS_ABSOLUTEW(pathw, path_lenw) (PHP_WIN32_IOUTIL_IS_LONG_PATHW(pathw, path_lenw) \
- || path_lenw >= 3 && PHP_WIN32_IOUTIL_IS_LETTERW(pathw[0]) && L':' == pathw[1] && IS_SLASHW(pathw[2]))
+ || path_lenw >= 3 && PHP_WIN32_IOUTIL_IS_LETTERW(pathw[0]) && L':' == pathw[1] && PHP_WIN32_IOUTIL_IS_SLASHW(pathw[2]))
+#define PHP_WIN32_IOUTIL_IS_UNC(pathw, path_lenw) (path_lenw >= 2 && PHP_WIN32_IOUTIL_IS_SLASHW(pathw[0]) && PHP_WIN32_IOUTIL_IS_SLASHW(pathw[1]) \
+ || path_lenw >= PHP_WIN32_IOUTIL_UNC_PATH_PREFIX_LENW && 0 == wcsncmp((pathw), PHP_WIN32_IOUTIL_UNC_PATH_PREFIXW, PHP_WIN32_IOUTIL_UNC_PATH_PREFIX_LENW))
#define PHP_WIN32_IOUTIL_INIT_W(path) \
wchar_t *pathw = php_win32_ioutil_any_to_w(path); \