ANSI C, ISO C, and Standard C are successive standards for the C programming language published by the American National Standards Institute (ANSI) and ISO/IEC JTC 1/SC 22 /WG 14 of the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).

2024年7月22日 · ANSI C also referred to as C89, was the first C Programming Language Standard defined by the American National Standards Institute (ANSI) in 1989. It is officially designated as ANSI X3.159-1989.

2017年5月22日 · GNU C: GNU is a unix like operating system (www.gnu.org) & somewhere GNU's project needs C programming language based on ANSI C standard. GNU use GCC (GNU Compiler Collection) compiler to compile the code.

2021年4月19日 · Presents a complete guide to ANSI standard C language programming. Written by the developers of C, this new version helps readers keep up with the finalized ANSI standard for C while showing how to take advantage of C's rich set of operators, economy of expression, improved control flow, and data structures.

ANSI C is a set of successive standards which were published by the American National Standards Institute (ANSI) for the C programming language. The ANSI specifies the syntax and semantics of programs written in C. Some other differences between C and ANSI C:

2024年12月17日 · ISO/IEC 9899:2024 - Information technology - Programming languages – C (C24) is the current standard that originated as ANSI X3.159-1989.

2024年11月6日 · At this time, the standard specified in the ANSI X3.159-1989 document became known as ANSI C, but it was soon superseded as it was adopted as an international standard, ISO/IEC 9899:1990, under the work of ISO/IEC JTC 1.

ANSI C 、 ISO C 、 Standard C 是指 美国国家标准协会 （ANSI）和 国际标准化组织 （ISO）对 C语言 发布的标准。 历史上，这个名字专门用于指代此标准的原始版本，也是支持最好的版本（称为C89或C90）。 使用C的软件开发者被鼓励遵循标准的要求，因为它鼓励使用 跨平台 的代码。 C的第一个标准是由ANSI发布的。 虽然这份文档后来被 国际标准化组织 （ISO）采纳并 …

I know that the code is ANSI, because gcc accepts it. 11.33 People seem to make a point of distinguishing between implementation-defined, unspecified, and undefined behavior.

What if a variable is declared extern inside a function? Need a variable to start with a particular value? use an explicit initializer. some consider it bad style to rely on this feature.