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  1. Identifier - Wikipedia

    An identifier is a name that identifies (that is, labels the identity of) either a unique object or a unique class of objects, where the "object" or class may be an idea, person, physical …

  2. Identifier names - rules and conventions - C# | Microsoft Learn

    Dec 15, 2023 · Identifiers must start with a letter or underscore (_). Identifiers can contain Unicode letter characters, decimal digit characters, Unicode connecting characters, Unicode …

  3. Identifiers - cppreference.com

    Dec 21, 2024 · An identifier is an arbitrarily long sequence of digits, underscores, lowercase and uppercase Latin letters, and most Unicode characters. The first character of a valid identifier …

  4. C Identifiers - GeeksforGeeks

    May 13, 2025 · In C programming, identifiers are the names used to identify variables, functions, arrays, structures, or any other user-defined items. It is a name that uniquely identifies a …

  5. C Keywords and Identifiers - Programiz

    In this tutorial, you will learn about keywords; reserved words in C programming that are part of the syntax. Also, you will learn about identifiers and naming rules for identifiers (variables and …

  6. Identifier - Glossary | MDN - MDN Web Docs

    May 9, 2025 · An identifier is a sequence of characters in the code that identifies a variable, function, or property. In most languages, identifiers are case-sensitive and not quoted.

  7. 3.2: Identifier Names - Engineering LibreTexts

    Within programming a variety of items are given descriptive names to make the code more meaningful to us as humans. These names are called "Identifier Names". Constants, …

  8. C++ Identifiers - W3Schools

    All C++ variables must be identified with unique names. These unique names are called identifiers. Identifiers can be short names (like x and y) or more descriptive names (age, sum, …

  9. Identifier (computer languages) - Wikipedia

    In computer programming languages, an identifier is a lexical token (also called a symbol, but not to be confused with the symbol primitive data type) that names the language's entities. Some …

  10. C Identifiers | Microsoft Learn

    Jan 24, 2023 · "Identifiers" or "symbols" are the names you supply for variables, types, functions, and labels in your program. Identifier names must differ in spelling and case from any …

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