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Associated article: Internet Multicasting

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Published source code accompanying the article by Bob Quinn in which he shows how multicasting can let you deliver content from a single sender to multiple receivers. Bob uses the multicast-enabled WinSock API to present TimeCast, a one-to-many application that multicasts the time of day to multiple clients. Also see TIMECAST.ZIP.

					Internet Multicasting 
by Bob Quinn

Example 1: 

nRet = WSAStartup(0x0202, &stWSAData);
if (nRet) {
    printf ("WSAStartup failed: %d\r\n", nRet);
    exit (1);

Example 2:

hSocket = socket(AF_INET, SOCK_DGRAM, 0);
if (hSocket == INVALID_SOCKET) {
  printf ("socket() failed, Err: %d\...							
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