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  2. C (programming language) - Wikipedia

    en.wikipedia.org/wiki/C_(programming_language)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 23 December 2024. 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 ...

  3. C syntax - Wikipedia

    en.wikipedia.org/wiki/C_syntax

    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.

  4. List of C-family programming languages - Wikipedia

    en.wikipedia.org/wiki/List_of_C-family...

    The C-family programming languages share significant features of the C programming language. Many were developmentally influenced by C due to its success and ubiquity. The family also includes predecessors that influenced C's design such as BCPL. Notable programming sources use terms like C-style, C-like, a dialect of C, having C-like syntax.

  5. Naming convention (programming) - Wikipedia

    en.wikipedia.org/.../Naming_convention_(programming)

    In C and C++, keywords and standard library identifiers are mostly lowercase. In the C standard library, abbreviated names are the most common (e.g. isalnum for a function testing whether a character is alphanumeric), while the C++ standard library often uses an underscore as a word separator (e.g. out_of_range).

  6. Ternary conditional operator - Wikipedia

    en.wikipedia.org/wiki/Ternary_conditional_operator

    The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...

  7. External variable - Wikipedia

    en.wikipedia.org/wiki/External_variable

    Local variable – Computer programming, a variable only usable in a portion of a program (the scope) Scope – Part of a computer program where a given name binding is valid; Static variable – Programming variable that persists for the lifetime of the program; The C Programming Language – Book by Brian Kernighan and Dennis Ritchie

  8. C data types - Wikipedia

    en.wikipedia.org/wiki/C_data_types

    The C language specification includes the typedef s size_t and ptrdiff_t to represent memory-related quantities. Their size is defined according to the target processor's arithmetic capabilities, not the memory capabilities, such as available address space. Both of these types are defined in the <stddef.h> header (cstddef in C++).

  9. List of unsolved problems in computer science - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Does linear programming admit a strongly polynomial-time algorithm? (This is problem #9 in Smale's list of problems.) How many queries are required for envy-free cake-cutting? What is the algorithmic complexity of the minimum spanning tree problem? Equivalently, what is the decision tree complexity of the MST problem?