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The Win32 API has a simple function called GetUserName() that
works under Windows 95 and Windows NT. The GetUserName() function
is very easy to use:
// Borland C++ 5.0: bcc32.cpp getusername.cpp
// Visual C++ 5.0: cl getusername.cpp advapi32.lib
#include <iostream.h>
#include <windows.h>
int main()
{
char acUserName[100];
DWORD nUserName = sizeof(acUserName);
if (GetUserName(acUserName, &nUserName) == 0) {
cerr << "Failed to lookup user name, error code " << GetLastError()
<< "." << endl;
}
cout << "User name is " << acUserName << "." << endl;
return 0;
}
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