packet_size = 1316 UDPSockTX = socket(AF_INET, SOCK_DGRAM) UDPSockTX.setsockopt(IPPROTO_IP, IP_MULTICAST_TTL, 20) writer_list = [UDPSockTX.fileno()] ready_to_write ...
To send data we need to use a PBUF of the correct type and size and store the data in its payload field: char message[] = "Hello UDP World"; struct pbuf *p = pbuf ...
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