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I found the error in the 2nd bind statement, misspelled word to cause another bind of first socket name.
But still wondering what a 0 return from WSAGetlastError() means.

I have the following code:



void CUSimCtrlDlg::initializeSockets()
{
int status = 0;

// Start Winsock Version 1.1 DLL
WSAStartup ( MAKEWORD ( 1,1 ), &wsaData );