#define DPRINTF(format, args...)
#endif
-void __attribute__ ((visibility ("hidden"))) hexdump(unsigned char *buf, int len);
+void __attribute__ ((visibility ("hidden"))) hexdump(unsigned char *buf, int len, char *prefix);
#define WDU_GET_MAX_PACKET_SIZE(x) ((unsigned short) (((x) & 0x7ff) * (1 + (((x) & 0x1800) >> 11))))