C17_(C_standard_revision) Knowpia

C17 is the informal name for ISO/IEC 9899:2018,^[1] the most recent standard for the C programming language, prepared in 2017 and published in June 2018. It replaced C11 (standard ISO/IEC 9899:2011),^[2] and will be superseded by C23 (ISO/IEC 9899:2023) when it is published in 2024.^[3] Since it was under development in 2017, and officially published in 2018, C17 is sometimes referred to as C18.^[4]

Changes from C11 edit

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]

Compiler support edit

List of compilers supporting C17:

GCC 8.1.0^[6]
LLVM Clang 7.0.0^[7]
IAR EWARM v8.40.1^[8]
Microsoft Visual C++ VS 2019 (16.8)^[9]
Pelles C 9.00^[10]

References edit

^ "ISO/IEC 9899:2018 - Information technology -- Programming languages -- C". International Organization for Standardization.
^ ^a ^b "The Standard - C". www.iso-9899.info.
^ "WG 14 Document log". www.open-std.org.
^ "Using the GNU Compiler Collection (GCC): C Dialect Options". gcc.gnu.org.
^ ISO/IEC JTC1/SC22/WG14 (October 2017). "Clarification Request Summary for C11 Version 1.13". www.open-std.org. Retrieved 28 September 2020.{{cite web}}: CS1 maint: numeric names: authors list (link)
^ "Using the GNU Compiler Collection (GCC): C Dialect Options". gcc.gnu.org.
^ "Clang 7 documentation — Clang Compiler User's Manual".
^ "IAR Information Center for Arm - Release notes". netstorage.iar.com.
^ "C11 and C17 Standard Support Arriving in MSVC". devblogs.microsoft.com. 14 September 2020.
^ "Changelog - Added support for new C17 standard". www.smorgasbordet.com/pellesc/.