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C99 (previously known as C9X) is an informal name for ISO/IEC 9899:1999, a past version of the C programming language standard.[1] It extends the previous version (C90) with new features for the language and the standard library, and helps implementations make better use of available computer hardware, such as IEEE 754-1985 floating-point arithmetic, and compiler technology.[2] The C11 version of the C programming language standard, published in 2011, updates C99.
- ^ "ISO/IEC 9899:1999 - Programming languages - C". Iso.org. 8 December 2011. Retrieved 8 April 2014.
- ^ "IEEE 754 Support in C99" (PDF). grouper.ieee.org. Archived from the original (PDF) on 28 October 2017. Retrieved 15 July 2021.