JTC1/SC22/WG14 - C

ISO/IEC   JTC1/SC22/WG14 is the international standardization working group for the programming language C.

The current C programming language standard (C23) ISO/IEC 9899 was adopted by ISO and IEC in 2024.

To obtain the international standard, please contact your national member body.

Work on projects and their milestones include:

• WG14 has finished revising the C standard, under the name C23. A charter for the revision of the standard describes the rules for what has been done.
• 9899: Programming Language C
• Defect Reports and Record of Response
• TR 18037: Embedded C
• TR 19769: Extensions for the programming language C to support new character data types
• TR 24731-1: Extensions to the C Library Part I: Bounds-checking interfaces
• TR 24731-2: Extensions to the C Library Part II: Dynamic allocation functions
• TR 24732: Extensions for the programming language C to support decimal floating point arithmetic
• TR 24747: Programming language C - Extensions for the C language library to support mathematical special functions
• The rationale for the C99 standard is available.

• The WG document register including the documents
• Information on WG meetings
• WG14 Business Plan and Convener's Report 2020
• mailings and meetings information
• Informal Study Group Organization Information
• ISO/IEC 2382:2015 Information technology — Vocabulary (freely available standard)
• Contacts

WG14 members attending the Strasbourg meeting in-person for the finalization of C23 (names are from left-to-right):

If you want further information, or want to participate, please contact your national member body or one of the contact addresses of the WG.