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'''C89''' (aka '''C90'''), sometimes incorrectly referred to as ANSI C, is the first standard for the [[C programming language]] ratified in 1989 as ''ANSI X3.159-1989''. The ''C90'' refers to the same standard as ratified by the International Organization for Standardization a year later, known as ''ISO/IEC 9899:1990''. Note that the C90 standard is the same as the C89 one with only changes in the formatting and section numbering. | '''C89''' (aka '''C90'''), sometimes incorrectly referred to as ANSI C, is the first standard for the [[C programming language]] ratified in 1989 as ''ANSI X3.159-1989''. The ''C90'' refers to the same standard as ratified by the International Organization for Standardization a year later, known as ''ISO/IEC 9899:1990''. Note that the C90 standard is the same as the C89 one with only changes in the formatting and section numbering. | ||
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== Version detection == | == Version detection == | ||
− | C89 introduced the <code>__STDC__</code> | + | C89 introduced the <code>__STDC__</code> [[Standard predefined macros - C|predefined macro]] to detect standard C compilers. C90 also introduced the <code>__STDC_VERSION__</code> macro. |
<source lang="C"> | <source lang="C"> | ||
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{{reflist}} | {{reflist}} | ||
− | + | [[Category:C programming language]] | |
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− | [[Category:C |