Historical
ISO/IEC 14882:2014
Information technology - Programming languages - C++
ISO/IEC 14882:2014 specifies requirements for implementations of the C++ programming language. The first such requirement is that they implement the language, and so this International Standard also defines C++. Other requirements and relaxations of the first requirement appear at various places within this International Standard.
C++ is a general purpose programming language based on the C programming language as described in ISO/IEC 9899:1999 Programming languages ? C (hereinafter referred to as the C standard). In addition to the facilities provided by C, C++ provides additional data types, classes, templates, exceptions, namespaces, operator overloading, function name overloading, references, free store management operators, and additional
library facilities.
International Organization for Standardization [iso]