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Newest Edition of ISO/IEC 9899, Programming language C

Did you know that the Programming Language C standard was originally published in 1972 by Dennis Ritchie at the Bell Laboratories, and despite its maturity, is still a very popular language.

Some uses for C language include development of video games, applications using graphical user interfaces, databases, computer operating systems, browsers for the internet, computational and graphical methods, and banking, just to list a few.

The 5th edition of Programming languages - C is under development, and the scope specifies the form and establishes the interpretation of programs written in the C programming language, such as:

—    the representation of C programs;
—    the syntax and constraints of the C language;
—    the semantic rules for interpreting C programs;
—    the representation of input data to be processed by C programs;
—    the representation of output data produced by C programs;
—    the restrictions and limits imposed by a conforming implementation of C.

The next edition is expected to be published in 2024. A peek ahead, some new features to be included in the this revision are:

  • Decimal floating point
  • Enhanced constant expressions
  • Enhanced and improved enumerations with regards to underlying types
  • Bit manipulation functions
  • Bit precise integers
  • Header presence query method
  • Attributes


Interested in Programming Language C? Find out more information about INCITS/C and membership.

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About INCITS: the InterNational Committee for Information Technology Standards (INCITS) – is the central U.S. forum dedicated to creating technology standards for the next generation of innovation.  INCITS members combine their expertise to create the building blocks for globally transformative technologies. From cloud computing to communications, from transportation to health care technologies, INCITS is the place where innovation begins. INCITS is accredited by the American National Standards Institute (ANSI) and is affiliated with ITI. Visit www.incits.org to learn more.