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  2. Type conversion - Wikipedia

    en.wikipedia.org/wiki/Type_conversion

    In the C family of languages and ALGOL 68, the word cast typically refers to an explicit type conversion (as opposed to an implicit conversion), causing some ambiguity about whether this is a re-interpretation of a bit-pattern or a real data representation conversion. More important is the multitude of ways and rules that apply to what data ...

  3. Category:Articles with example C code - Wikipedia

    en.wikipedia.org/wiki/Category:Articles_with...

    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 ...

  4. C++ - Wikipedia

    en.wikipedia.org/wiki/C++

    Most C code can easily be made to compile correctly in C++ but there are a few differences that cause some valid C code to be invalid or behave differently in C++. For example, C allows implicit conversion from void * to other pointer types but C++ does not (for type safety reasons).

  5. Implicit data structure - Wikipedia

    en.wikipedia.org/wiki/Implicit_data_structure

    A trivial example of an implicit data structure is an array data structure, which is an implicit data structure for a list, and requires only the constant overhead of the length; unlike a linked list, which has a pointer associated with each data element, which explicitly gives the relationship from one element to the next.

  6. Copy-on-write - Wikipedia

    en.wikipedia.org/wiki/Copy-on-write

    Copy-on-write (COW), also called implicit sharing [1] or shadowing, [2] is a resource-management technique [3] used in programming to manage shared data efficiently. Instead of copying data right away when multiple programs use it, the same data is shared between programs until one tries to modify it.

  7. Type inference - Wikipedia

    en.wikipedia.org/wiki/Type_inference

    For example, a programmer might write a statement like delay: seconds := 4 in their code, where the colon is the conventional mathematical symbol to mark a term with its type. That is, this statement is not only setting delay to the value 4 , but the delay: seconds part also indicates that delay 's type is an amount of time in seconds.

  8. Comparison of Pascal and C - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_Pascal_and_C

    Examples are if, while, const, for and goto, which are keywords that happen to be common to both languages. In C, the basic built-in type names are also keywords (e.g., int, char) or combinations of keywords (e.g., unsigned char), while in Pascal the built-in type names are predefined normal identifiers.

  9. C data types - Wikipedia

    en.wikipedia.org/wiki/C_data_types

    This behavior exists to avoid integer overflows in implicit narrowing conversions. For example, in the following code: In C23, the boolean type was moved to bool, making the <stdbool.h> header now useless.