+#define MAXFRAGNUM_MASK (MAXFRAGNUM - 1) // Must be equal to MAXFRAGNUM-1
+
+// Multi bind address constants
+#define MAX_UDPFD 4
+#define MAX_BINDADDR MAX_UDPFD
+// 4 + 1 for the udplac
+#define INIT_TABUDPFD {-1, -1, -1, -1, -1}
+#define INIT_TABUDPVAR {0, 0, 0, 0, 0}