Alternative ways to get (TEMP path) / (Environment Variable) in windows

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1- GetTempPathW Api/GetTempPathA in kernel32.dll

wchar_t tmpPath[MAX_PATH];
GetTempPathW(MAX_PATH, tmpPath);

2- GetEnvironmentVariableW/GetEnvironmentVariableA in kernel32.dll

wchar_t buf[MAX_PATH];
GetEnvironmentVariableW(L"TEMP",buf, MAX_PATH);

3- _wdupenv_s/_dupenv_s

wchar_t *buf;
size_t bufLen;
errno_t tt= _wdupenv_s(&buf, &bufLen, L"TEMP");

4- RtlQueryEnvironmentVariable in ntdll

wchar_t buf[260];
size_t retLen;
RtlQueryEnvironmentVariable(NULL, L"TEMP", 4, buf, 260, &retLen);

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