struct PACKET {

char DestIP[16];

unsigned int DestPort;

char SourceIP[16];

unsigned int SourcePort;

unsigned int flags;

unsigned int SeqNum;

char Data;

unsigned int NumHops;

char IPsVisited[20][16];

unsigned int PortsVisited[20];

};

#define DATA_PKT 1

#define ACK_PKT 2

#define SOCKET int