Write Code That Works in the Largest Number of C Compilers

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For code that is most universal among C compilers, write strictly ANSI C and ANSI C++ code.

To write strict ANSI C/C++ code

1. Do not use the MFC library. Call Win32 APIs directly.

2. Disable Microsoft extensions.

3. Use the iostream library from the ANSI Standard C++ library.

4. Use the Standard template library from the ANSI Standard C++ library.