test.c

本代码是本人毕设所做的GPRS数传系统的软件部分

#include "notation.h"
typedef struct {
BYTE SourceIP [4];
BYTE DestinationIP [4];
WORD SourcePort;
WORD DestPort;
BYTE LengthUpper;
BYTE Length;
WORD Checksum;
BYTE Payload[54];
} UDPDatagram;
void main()
{
UDPDatagram *pt1;
pt1->SourceIP[0]=1;
pt1->DestinationIP[0]=pt1->SourceIP[0];
}