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English: Printable pdf version of C Programming Wikibook. This file was created with MediaWiki to LaTeX . The LaTeX source code is attached to the PDF file (see imprint).
For example, in Python, to print the string Hello, World! followed by a newline, one only needs to write print ("Hello, World!" In contrast, the equivalent code in C++ [ 7 ] requires the import of the input/output (I/O) software library , the manual declaration of an entry point , and the explicit instruction that the output string should be ...
A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.
This is an accepted version of this page This is the latest accepted revision, reviewed on 10 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 kernel program should perform file system management. [132] The kernel has instructions to create, retrieve, update, and delete files. The kernel program should perform device management. [132] The kernel provides programs to standardize and simplify the interface to the mouse, keyboard, disk drives, printers, and other devices.
The C programming language provides many standard library functions for file input and output.These functions make up the bulk of the C standard library header <stdio.h>. [1] The functionality descends from a "portable I/O package" written by Mike Lesk at Bell Labs in the early 1970s, [2] and officially became part of the Unix operating system in Version 7.
C. C (programming language) C dynamic memory allocation; C file input/output; C syntax; C data types; C23 (C standard revision) Callback (computer programming) CIE 1931 color space; Coalesced hashing; Code injection; Comment (computer programming) Composite data type; Conditional (computer programming) Const (computer programming) Constant ...
Here are examples in the Perl programming language: Look for duplicate words; perl -0777 -ne ' print "$.: doubled $_\n" while /\b(\w+)\b\s+\b\1\b/gi ' Find Palindromes in /usr/dict/words; perl -lne ' print if $_ eq reverse ' /usr/dict/words in-place edit of *.c files changing all foo to bar; perl -p -i.bak -e ' s/\bfoo\b/bar/g ' *.c Many one ...