#if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
# define _XBT_FUNCTION __FUNCTION__
#elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
-# define _XBT_FUNC__ __func__ /* ISO-C99 compliant */
+# define _XBT_FUNCTION __func__ /* ISO-C99 compliant */
#else
# define _XBT_FUNCTION "function"
#endif