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4-14 Programming Samples Rev. A
buf[13] = 0x00;
/* send packet */
i = sendto(sock, buf, 14, 0, (struct sockaddr*)&addr, sizeof(addr));
/* receive packet */
fromlen = sizeof(addr);
len = recvfrom(sock, buf, MAXBUF, 0, (struct sockaddr*)&addr, &fromlen);
/* print receive packet */
if (len) {
if ((buf[10] == 0x00) && (buf[11] == 0x00))
for (i = 0; i < len; i++)
printf("%3d:%02Xh\n", i, buf[i] & 0xff);
}
/* close socket */
close(sock);
return 0;
}