+**C89** is the first widely adopted standard for the [C language](/wiki/c-language), formalized by [ANSI](/wiki/ansi) in 1989. It provided a clear, consistent definition of the language, becoming the foundational specification for compilers and a benchmark for later revisions.
+## See also
+- [C99](/wiki/c99)
+- [C11](/wiki/c11)
+- [Programming Language](/wiki/programming-language)
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