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This article mainly explains "what is the ANSI standard in C language". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "what is the ANSI standard in C language?"

What is Kraft R C?

In 1978, Dennis Dennis Ritchie and Brian Brian Kernighan jointly published the first edition of the C programming language. The C language standard introduced in the book is also known as "Kraft R C".

What are ANSI C, ISO C, C89, C90 standards?

As the C language is used more and more widely, there are many new problems, and there is a growing demand for the standardization of C language. In 1983, the American National Standards Institute (ANSI) formed a committee, X3J11, to create a set of standards for C. After a long and painstaking process, the standard was completed in 1989, and this version of the language is often called ANSI C, or sometimes C89 (to distinguish C99). In 1990, the ANSI C standard (with some minor changes) was adopted by the American National Standards Institute (ANSI) as ISO/IEC 9899 ISO/IEC 1990. This version is sometimes called C90 or ISO C. To sum up, ANSI C, ISO C, C89 and C90 are actually the same standard.

What is the C99 standard?

In March, 2000, ANSI adopted the ISO/IEC 98991999 standard. This standard usually refers to C99. Some new features have been added to C99, such as support for arrays of variable length, that is, the length of the array can be determined at runtime. The variable declaration does not have to be placed at the beginning of the statement block. For statements are recommended to be written as for (int item0

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