Experimental C standard libraries

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< c

The C standards committee publishes experimental C language and library extensions for future standardization.

Note: until 2012, these publications used the TR (technical report) format. Since 2012 ISO procedure changed to use the TS (technical specification) format.

ISO number Name Status links
ISO/IEC TR

19769:2004

Extensions to support new character data types Published (ISO store)

Final draft: n1040 (2003-11-07)
Merged into C11

ISO/IEC TR

24731-1:2007

Bounds-checking interfaces Published (ISO store)

Final draft: n1225 (2007-03-28)
Merged into C11

ISO/IEC TR 18037:2008 Extensions to support embedded processors Published (ISO store)

Final draft: n1169 (2006-04-04)

ISO/IEC TR

24732:2009

Extensions to support to support decimal floating-point arithmetic Published (ISO store)

Final draft: n1241 (2007-07-05)
Superseded by TS 18661-2:2015

ISO/IEC

24747:2009

Extensions to support mathematical special functions Published (ISO store)

Draft: n1182 (2006-08-02)

ISO/IEC TR

24731-2:2010

Extensions to support dynamic allocation functions Published 2010-11-24 (ISO store)

Draft: n1248 (2007-08-15)

dynamic
ISO/IEC TS

17961:2013

Secure coding rules Published 2013-11-15 (ISO store)

Draft: n1624 (2012-06-26)
TC1 published 2016-08-09 (ISO store)

ISO/IEC TS

18661-1:2014

Floating-point extensions: Binary floating-point arithmetic Published 2014-07-21 (ISO store)

Draft: n1778 (2013-11-05)

fpext1
ISO/IEC TS

18661-2:2015

Floating-point extensions: Decimal floating-point arithmetic Published 2015-02-11, Revised 2015-05-18 (ISO store).

Post-publication draft: n1912 (2015-03-09)

ISO/IEC TS

18661-3:2015

Floating-point extensions: Interchange and extended types Published 2015-10-06 (ISO store)

Draft: n1945 (2014-06-10)

ISO/IEC TS

18661-4:2015

Floating-point extensions: Supplementary functions Published 2015-10-06 (ISO store)

Draft: n1950 (2015-06-10)

fpext4
ISO/IEC TS 18661-5:2016 Floating-point extensions: Supplementary attributes Published 2016-08-11 (ISO store) Draft: n2004 (2016-03-07)
ISO/IEC TR 24772-3 Vulnerability descriptions for the programming language C Draft n2018 (2016-03-08)
ISO/IEC TS 21938-1 Parallel extensions part 1: Thread-based parallelism Early draft: n2017 (2016-03-10)
Parallel extensions part 2: Vector-based parallelism early development
Transactional Memory TS Early draft: n1961 (2015-09-23)
ISO/IEC TS

17961:xxxx

Secure coding rules part 2 Early development, estimated publication 2023, possibly as an IS rather than TS

See also

C++ documentation for Experimental C++ libraries