How can I check if I have a internet connection or live internet connection using C++?
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How can I check if I have a internet connection or live internet connection using C++?
C++ has no builtin functions for this, you will need to resort to system APIs. An easiest and obvious way is to create a socket and try to connect it to some known IP or check if DNS is working.
Some useful links:
http://msdn.microsoft.com/en-us/library/ms740673(VS.85).aspx (Windows Sockets)
http://www.tenouk.com/cnlinuxsockettutorials.html (Linux/Unix sockets)