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  2. Identifier (computer languages) - Wikipedia

    en.wikipedia.org/wiki/Identifier_(computer...

    A global identifier is declared outside of functions and is available throughout the program. A local identifier is declared within a specific function and only available within that function. [1] For implementations of programming languages that are using a compiler, identifiers are often only compile time entities.

  3. Naming convention (programming) - Wikipedia

    en.wikipedia.org/wiki/Naming_convention...

    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 ).

  4. Name resolution (programming languages) - Wikipedia

    en.wikipedia.org/wiki/Name_resolution...

    An identifier I' (for variable X') masks an identifier I (for variable X) when two conditions are met I' has the same name as I; I' is defined in a scope which is a subset of the scope of I; The outer variable X is said to be shadowed by the inner variable X'. For example, the parameter "foo" shadows the local variable "foo" in this common pattern:

  5. Fully qualified name - Wikipedia

    en.wikipedia.org/wiki/Fully_qualified_name

    In COBOL, a fully qualified data item name can be created by suffixing a potentially ambiguous identifier with an IN (or OF) phrase. For example, multiple data item records might contain a member item named ACCOUNT-ID , so specifying ACCOUNT-ID IN CUSTOMER serves to disambiguate a specific ACCOUNT-ID data item, specifically, the one that is a ...

  6. Name mangling - Wikipedia

    en.wikipedia.org/wiki/Name_mangling

    All mangled symbols begin with _Z (note that an identifier beginning with an underscore followed by a capital letter is a reserved identifier in C, so conflict with user identifiers is avoided); for nested names (including both namespaces and classes), this is followed by N, then a series of <length, id> pairs (the length being the length of ...

  7. Name binding - Wikipedia

    en.wikipedia.org/wiki/Name_binding

    An example of a static binding is a direct C function call: the function referenced by the identifier cannot change at runtime. An example of dynamic binding is dynamic dispatch , as in a C++ virtual method call.

  8. Reserved word - Wikipedia

    en.wikipedia.org/wiki/Reserved_word

    For example, there was a proposal in 1999 to add C++-like const to the language, which was possible using the const word, since it was reserved but currently unused; however, this proposal was rejected – notably because even though adding the feature would not break any existing programs, using it in the standard library (notably in ...

  9. typedef - Wikipedia

    en.wikipedia.org/wiki/Typedef

    typedef is a reserved keyword in the programming languages C, C++, and Objective-C.It is used to create an additional name (alias) for another data type, but does not create a new type, [1] except in the obscure case of a qualified typedef of an array type where the typedef qualifiers are transferred to the array element type. [2]