The current standard for Programming Language C
is ISO/IEC 9899:1999, published 1999-12-01.
The lastest publically available version of the standard is the FCD 9899, SC22 N2794.
The rationale for the C99 standard is available.
The 1990 ISO standard (now outdated) consisted of the following:
TCOR1 and TCOR2 is available here as permitted by ISO Council
- ISO/IEC 9899:1990 Information technology - Programming Language C.
- An amendment (ISO/IEC 9899 AM1) to the C standard was approved in
1995, covering invariant ISO 646 and multibyte support extentions.
- Technical Corrigendum 1 (ISO/IEC 9899 TCOR1) was approved in 1995.
- Technical Corrigendum 2 (ISO/IEC 9899 TCOR2) was published