Language standard compliance
This topic describes the C programming language specifications that IBM® XL C for AIX®, V13.1.3 supports.
- Partial support for ISO/IEC 9899:2011 (referred to as C11)
- ISO/IEC 9899:1999 (referred to as C99)
- ISO/IEC 9899:1990 (referred to as C89)
In addition to the standard language
levels, XL C supports the following language extensions:
- Partial support for OpenMP Application Program Interface V4.0
- OpenMP Application Program Interface V3.1
- Language extensions to support vector programming
- A subset of GNU C language extensions
See Language levels and language extensions for more information about C language specifications and extensions.
