Get windows XP, windows 7 current login User Name in VC [closed]

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Closed 4 years ago.

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I want to get current login user name in windows xp, windows 7, in c++. How can I do this? Is there any handy API without authority problem?

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Use the Win32 API GetUserName or GetUserNameEx if you want a little more options.

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This should work:

char sz[256];
GetEnvironmentVariable ("USERNAME", sz, 256);