+#define MAX_DU_PORT 2
+#define DU_PORT 38472
+
+/* allocate and zero out a static buffer */
+#define CU_ALLOC(_datPtr, _size) \
+{ \
+ S16 _ret; \
+ _ret = SGetSBuf(CU_APP_MEM_REG, CU_POOL, \
+ (Data **)&_datPtr, _size); \
+ if(_ret == ROK) \
+ memset(_datPtr, 0, _size); \
+ else \
+ _datPtr = NULLP; \
+}
+
+/* free a static buffer */
+#define CU_FREE(_datPtr, _size) \
+ if(_datPtr) \
+ SPutSBuf(CU_APP_MEM_REG, CU_POOL, \
+ (Data *)_datPtr, _size);
+