-namespace misc {
- extern const char str_esse[];
- extern const char str_nil[];
-}
-/* Returns c-string "s" if n > 1, empty string "" otherwise. */
-#define ESSE(n) ((n) > 1 ? misc::str_esse : misc::str_nil)
+/* Defines XBT_XCLOG(...) which behave like XBT_CLOG(...), except that the
+ * given category is not passed through _XBT_LOGV before use.
+ */
+#define XBT_XCLOG(c, p, ...) XBT_CLOG_((*(c)), p, __VA_ARGS__)
+
+/* Use a faster version of TRY if available.
+ */
+#if defined(TRY_NO_BACKTRACE)
+# define TRY_FAST TRY_NO_BACKTRACE
+#else
+# define TRY_FAST TRY
+#endif