vc++ compiler support Ecma c++ standards

Visual C++ complies with these standards:

• ISO C 95

• ISO C++ 98

• Ecma C++/CLI 05

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The GNU C library is compatible with the C standard adopted by the American National Standards Institute (ANSI): American National Standard X3.159-1989---"ANSI C".
The header files and library facilities that make up the GNU library are a superset of those specified by the ANSI C standard.