Visual C++ Network: How to set a socket option?

Q: How to set a socket option?

A: Socket options can be set using the 'setsockopt()' function. The following shows the usage for the 'SO_REUSEADDR' option (others are set the same way).

Code:

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int iOptval = 1;

if(::setsockopt(Socket, SOL_SOCKET, SO_REUSEADDR, (char *) &iOptval, sizeof(int)))
  // Error -> call ::WSAGetLastError()

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