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  2. One Definition Rule - Wikipedia

    en.wikipedia.org/wiki/One_Definition_Rule

    struct C {static const int N = 10;}; char data [C:: N]; // N "used" without out-of-class definition without a namespace scope definition for N . Nevertheless, the wording of the 1998 C++ standard still required a definition if the member was used in the program. [ 4 ]

  3. struct (C programming language) - Wikipedia

    en.wikipedia.org/wiki/Struct_(C_programming...

    In the C programming language, struct is the keyword used to define a composite, a.k.a. record, data type – a named set of values that occupy a block of memory. It allows for the different values to be accessed via a single identifier, often a pointer.

  4. Class variable - Wikipedia

    en.wikipedia.org/wiki/Class_variable

    Thus in some languages, static member variable or static member function are used synonymously with or in place of "class variable" or "class function", but these are not synonymous across languages. These terms are commonly used in Java , C# , [ 5 ] and C++ , where class variables and class methods are declared with the static keyword , and ...

  5. Member variable - Wikipedia

    en.wikipedia.org/wiki/Member_variable

    /*Ruby has three member variable types: class, class instance, and instance. */ class Dog # The class variable is defined within the class body with two at-signs # and describes data about all Dogs *and* their derived Dog breeds (if any) @@sniffs = true end mutt = Dog. new mutt. class. sniffs #=> true class Poodle < Dog # The "class instance variable" is defined within the class body with a ...

  6. Compatibility of C and C++ - Wikipedia

    en.wikipedia.org/wiki/Compatibility_of_C_and_C++

    In both C and C++, one can define nested struct types, but the scope is interpreted differently: in C++, a nested struct is defined only within the scope/namespace of the outer struct, whereas in C the inner struct is also defined outside the outer struct. C allows struct, union, and enum types to be declared in function prototypes, whereas C++ ...

  7. 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.

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    mail.aol.com

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  9. Constructor (object-oriented programming) - Wikipedia

    en.wikipedia.org/wiki/Constructor_(object...

    In C#, a static constructor is a static data initializer. [4]: 111–112 Static constructors are also called class constructors. Since the actual method generated has the name .cctor they are often also called "cctors". [5] [6] Static constructors allow complex static variable initialization. [7]