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Jun 1, 2023 · In this article, we will learn about user-defined function, function prototype, function definition, function call, and different ways in which we can pass parameters to a function. How to use User-Defined Functions in C?
C allows you to define functions according to your need. These functions are known as user-defined functions. For example: Suppose, you need to create a circle and color it depending upon the radius and color. You can create two functions to solve this problem: createCircle() function; color() function
Jun 22, 2023 · Different Types of User-defined Functions in C. There are four types of user-defined functions divided on the basis of arguments they accept and the value they return: Function with no arguments and no return value. Function with no arguments and a return value. Function with arguments and no return value.
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 any built-in library. These functions can be created either in the same program or in user-defined header file. Creating a User-defined Function.
Types of User-defined Functions in C Programming. These 4 programs below check whether the integer entered by the user is a prime number or not. The output of all these programs below is the same, and we have created a user-defined function in each example. However, the approach we have taken in each example is different.
Sep 14, 2022 · What is a User-defined function? A user defined function is a function that is declared by user, which means you can declare a function with any name for a specific task: Note: Pre-defined function: A function that is already present in the C library are known as predefined functions such as printf() scanf() are predefined or built-in functions.
Oct 9, 2022 · 2. User Defined Function. Functions that the programmer creates are known as User-Defined functions or “tailor-made functions”. User-defined functions can be improved and modified according to the need of the programmer.