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  1. User-Defined Function in C - GeeksforGeeks

    Jul 23, 2025 · A user-defined function is a type of function in C language that is defined by the user himself to perform some specific task. It provides code reusability and modularity to our …

  2. User-defined function - Wikipedia

    A user-defined function (UDF) is a function provided by the user of a program or environment, in a context where the usual assumption is that functions are built into the program or environment.

  3. C User-defined functions - Programiz

    A function is a block of code that performs a specific task. In this tutorial, you will learn to create user-defined functions in C programming with the help of an example.

  4. User Defined Functions in C: Types, Syntax, and Examples - upGrad

    A user defined function in C is a function created by the programmer to perform a specific task. Unlike standard functions such as printf () or scanf (), which are predefined in C's standard …

  5. User-defined Function in C Language (With Examples)

    By using a user-defined function in C programming, developers can focus on specific tasks, reduce redundancy, and improve code readability. These functions enable easy debugging …

  6. User-defined Functions in C - Online Tutorials Library

    User-defined function is defined by the user to perform specific task to achieve the code reusability and modularity. To create and use the user-defined function, you do not need use …

  7. User-Defined Functions - SQL Server | Microsoft Learn

    Nov 18, 2025 · Like functions in programming languages, SQL Server user-defined functions are routines that accept parameters, perform an action, such as a complex calculation, and return …

  8. User-Defined Functions in C Language - Intellipaat

    Oct 29, 2025 · What is a User-Defined Function in C? A user-defined function in C is a function that is created and defined by the user to do a specific programming task. It is a type of …

  9. User-Defined Function in C – TheLinuxCode

    May 26, 2025 · A user-defined function is a block of code you create to perform a specific task. Unlike built-in functions that come with the C standard library (like printf(), scanf(), or strlen()), …

  10. User Defined Functions in C - Newtum

    May 13, 2025 · Unlike library functions (like printf() or scanf()) that are built into C, user-defined functions are written from scratch to suit specific needs. Think of them like reusable …