# define XBT_INLINE inline
#endif
+/* improvable on gcc (by evaluating arguments only once), but wouldn't be portable */
+#ifdef MIN
+# undef MIN
+#endif
+#define MIN(a,b) ((a)<(b)?(a):(b))
+
+#ifdef MAX
+# undef MAX
+#endif
+#define MAX(a,b) ((a)>(b)?(a):(b))
+
+
/*
* Function calling convention (not used for now)
*/