Epson C32C824151 Technical Reference - Page 68

print receive packet

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Page 68 highlights

buf[11] = 0x00; buf[12] = 0x00; // Parameter length buf[13] = 0x00; /* send a 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 */ closesocket(sock); return 0; } 4-12 Programming Samples Rev. A

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4-12
Programming Samples
Rev. A
buf[11] = 0x00;
buf[12] = 0x00; // Parameter length
buf[13] = 0x00;
/* send a 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 */
closesocket(sock);
return 0;
}