#define ACK 2
#define FIN 4
#define RST 8
+#define MF 16
#define AUX_INIT 1
#define AUX_FRAME 2
#define DEFAULT_RCVBUFSIZE 0
#define DEFAULT_MAXRCVBUFSIZE 131072
+#define MAX_UNRELIABLE_SIZE 65536
#define DEFAULT_MTU 1000
#define USEC_PER_SEC 1000000L