C11
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ISO/IEC 9899:2011, a.k.a. C11, is a previous revision of the C standard.
Contents |
[edit] Obsolete
[edit] Removed
[edit] New language features
- Multithreaded environments
- Enhanced alignment support
- Alignment query (_Alignof)
- Alignment strengthening (_Alignas)
- Over-aligned types
- Unicode support
- Generic selection expressions (_Generic)
- Non-returning functions (_Noreturn)
- Anonymous struct and union members
- Fine-grained evaluation order
- Extending the lifetime of temporary objects
- _Static_assert
- Analyzability
[edit] Feature test macros for optional features
- __STDC_ANALYZABLE__
- Indicates analyzability is supported.
- __STDC_LIB_EXT1__
- Indicates bounds checking functions are supported.
- __STDC_NO_ATOMICS__
- Indicates atomic objects and the atomic operation library are not supported.
- __STDC_NO_COMPLEX__
- Indicates complex types and the complex math functions are not supported.
- These features were mandatory in C99.
- __STDC_NO_THREADS__
- Indicates thread local storage and the thread support library are not supported.
- __STDC_NO_VLA__
- Indicates variable length arrays and variably modified types are not supported.
- These features were mandatory in C99.
[edit] New library features
[edit] New headers
[edit] Library features
- Concurrency support library
- aligned_alloc()
- UTF-16/32 type aliases
- UTF-16/32 conversion functions
- quick_exit
- at_quick_exit
- Exclusive modes of fopen() and freopen() ("x")
- Bounds checking functions
- timespec
- timespec_get()
- CMPLX(F|L)?
- New numeric limit macros
- Thread local errno
[edit] Defect reports
Template:c/language/history/DR11
