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  1. GetComputerNameExA function (sysinfoapi.h)

    • Syntax C++ BOOL GetComputerNameExA( [in] COMPUTER_NAME_FORMAT NameType, [out] LPSTR lpBuffer, [in, out] LPDWORD nSize );
    • Parameters [in] NameType ...
    learn.microsoft.com/en-us/windows/win32/api/sysin…
    bool GetComputerName(string& Name) { wchar_t Buffer[MAX_COMPUTERNAME_LENGTH + 1]; auto Size = static_cast<DWORD> (std::size(Buffer)); if (!::GetComputerName(Buffer, &Size)) return false; Name.assign(Buffer, Size); return true; }
    www.programcreek.com/cpp/?CodeExample=get+…
    You may want to use MAX_COMPUTERNAME_LENGTH instead, which is much less than 1024. TCHAR computerName [MAX_COMPUTERNAME_LENGTH + 1]; DWORD size = sizeof (computerName) / sizeof (computerName); GetComputerName (computerName, &size);
    stackoverflow.com/questions/4721429/correct-usa…
  2. People also ask
    The name comes from C's ++ operator (which increments the value of a variable) and a common naming convention of using "+" to indicate an enhanced computer program. During C++'s development period, the language had been referred to as "new C" and "C with Classes" before acquiring its final name.
    en.wikipedia.org
    C++ should work alongside other existing programming languages, rather than fostering its own separate and incompatible programming environment. If the programmer's intent is unknown, allow the programmer to specify it by providing manual control. C++ is standardized by an ISO working group known as JTC1/SC22/WG21.
    en.wikipedia.org
    When you compile your project, you might expect that the compiler compiles each code file exactly as you’ve written it. This actually isn’t the case. Instead, prior to compilation, each code (.cpp) file goes through a preprocessing phase. In this phase, a program called the preprocessor makes various changes to the text of the code file.
    A compile-time constant is a constant whose value must be known at compile time. This includes: Const integral variables with a constant expression initializer (e.g. const int x { 5 }; ). This is a historical exception -- in modern C++, constexpr variables are preferred. Non-type template parameters (see 11.9 -- Non-type template parameters ).
  3. 2.10 — Introduction to the preprocessor – Learn C

  4. 5.4 — Constant expressions and compile-time optimization – …