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C11 mainly standardizes features already supported by common contemporary compilers, and includes a detailed memory model to better support multiple threads of execution. Due to delayed availability of conforming C99 implementations, C11 makes certain features optional, to make it easier to comply with the core language standard.
This new feature didn't need any C++ language core extensions (though implementations will take advantage of various C++11 language features), only a small extension of the header <functional> and the introduction of headers <unordered_set> and <unordered_map>. No other changes to any existing standard classes were needed, and it doesn't depend ...
The C standards committee adopted guidelines to limit the adoption of new features that had not been tested by existing implementations. The C11 standard adds numerous new features to C and the library, including type generic macros, anonymous structures, improved Unicode support, atomic operations, multi-threading, and bounds-checked functions.
C17 fixes numerous minor defects in C11 without introducing new language features. [2] The __STDC_VERSION__ macro is increased to the value 201710L. For a detailed list of changes from the previous standard, see Clarification Request Summary for C11. [5]
[10] Add bit utility functions / macros / types in new header <stdbit.h> to examine many integer types. All start with stdc_ to minimize conflict with legacy code and 3rd party libraries. [11] In the following, replace * with uc, us, ui, ul, ull for five function names, or blank for a type-generic macro. [11]
Cover of the C99 standards document. C99 (previously C9X, formally ISO/IEC 9899:1999) is a past version of the C programming language open standard. [1] It extends the previous version with new features for the language and the standard library, and helps implementations make better use of available computer hardware, such as IEEE 754-1985 floating-point arithmetic, and compiler technology. [2]
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C++14 is a version of the ISO/IEC 14882 standard for the C++ programming language. It is intended to be a small extension over C++11, featuring mainly bug fixes and small improvements, and was replaced by C++17. Its approval was announced on August 18, 2014. [1] C++14 was published as ISO/IEC 14882:2014 in December 2014. [2]