packet32 -- 打印packet32捕获的包

void PrintPackets(LPPACKET lpPacket)

{

    ULONG    i, j, ulLines, ulen, ulBytesReceived;

    char    *pChar, *pLine, *base;

    char    *buf;

    u_int off=;

    u_int tlen,tlen1;

    struct bpf_hdr *hdr;

    ulBytesReceived = lpPacket->ulBytesReceived;

    buf = lpPacket->Buffer;

    off=;

    while(off<ulBytesReceived){

        if(_kbhit())return;

        hdr=(struct bpf_hdr *)(buf+off);

        tlen1=hdr->bh_datalen;

        tlen=hdr->bh_caplen;

        printf("Packet length, captured portion: %ld, %ld\n", tlen1, tlen);

        off+=hdr->bh_hdrlen;

        ulLines = (tlen + ) / ;

        pChar =(char*)(buf+off);

        base=pChar;

        off=Packet_WORDALIGN(off+tlen);

        //if(ulLines >10) ulLines = 10;

        for ( i=; i<ulLines; i++ )

        {

            pLine =pChar;

            printf( "%08lx : ", pChar-base );

            ulen=tlen;

            ulen = ( ulen >  ) ?  : ulen;

            tlen -= ulen;

            for ( j=; j<ulen; j++ )

                printf( "%02x ", *(BYTE *)pChar++ );

            if ( ulen <  )

                printf( "%*s", (-ulen)*, " " );

            pChar = pLine;

            for ( j=; j<ulen; j++, pChar++ )

                printf( "%c", isprint( (unsigned char)*pChar ) ? *pChar : '.' );

            printf( "\n" );

        }

        printf( "\n" );

    }

}