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ASCII (/ ˈ æ s k iː / ⓘ ASS-kee), [3]: 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. . ASCII codes represent text in computers, telecommunications equipment, and other devic
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 January 2025. General-purpose programming language "C programming language" redirects here. For the book, see The C Programming Language. Not to be confused with C++ or C#. C Logotype used on the cover of the first edition of The C Programming Language Paradigm Multi-paradigm: imperative (procedural ...
The control characters in ASCII still in common use include: 0x00 (null, NUL, \0, ^@), originally intended to be an ignored character, but now used by many programming languages including C to mark the end of a string. 0x07 (bell, BEL, \a, ^G), which may cause the device to emit a warning such as a bell or beep sound or the screen flashing.
Portable bitmap ASCII 50 34 0A: P4␊ 0 pbm Portable bitmap binary 50 32 0A: P2␊ 0 pgm Portable Gray Map ASCII 50 35 0A: P5␊ 0 pgm Portable Gray Map binary 50 33 0A: P3␊ 0 ppm Portable Pixmap ASCII 50 36 0A: P6␊ 0 ppm Portable Pixmap binary D7 CD C6 9A: ×ÍÆš: 0 wmf Windows Metafile: 67 69 6D 70 20 78 63 66: gimp xcf: 0 xcf XCF (file ...
As ASCII did not provide a number of characters needed for languages other than English, a number of national variants were made that substituted some less-used characters with needed ones. Due to the incompatibility of the various national variants, an International Reference Version (IRV) of ISO/IEC 646 was introduced, in an attempt to at ...
The Latin letters C and c have Unicode encodings U+0043 C LATIN CAPITAL LETTER C and U+0063 c LATIN SMALL LETTER C. These are the same code points as those used in ASCII and ISO 8859 . There are also precomposed character encodings for C and c with diacritics, for most of those listed above ; the remainder are produced using combining diacritics .
The C Programming Language (sometimes termed K&R, after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie, the latter of whom originally designed and implemented the C programming language, as well as co-designed the Unix operating system with which development of the language was closely intertwined.
In the C programming language, an escape sequence is specially delimited text in a character or string literal that represents one or more other characters to the compiler. It allows a programmer to specify characters that are otherwise difficult or impossible to specify in a literal.