array of structures in c programming

## Array of Structures in C Programming: A Comprehensive Tutorial

This tutorial will delve into the concept of "Array of Structures" in C programming, explaining its purpose, benefits, and implementation with detailed explanations and code examples.

**1. What is a Structure?**

Before diving into arrays of structures, let's quickly recap what a structure is in C. A structure is a user-defined data type that allows you to group together variables of different data types under a single name. It's a way to create a composite data type that represents a real-world entity or concept.

In this example, `struct Student` is a structure containing three members: `name` (a string), `roll_number` (an integer), and `marks` (a floating-point number). Each `Student` variable will hold all three pieces of information.

**2. Why Use an Array of Structures?**

An array of structures is an array where each element of the array is a structure. This allows you to store collections of similar objects, each with multiple attributes, in a structured and organized manner.

Here are some compelling reasons to use arrays of structures:

* **Representing Collections of Objects:** When you need to manage a collection of objects that have multiple attributes (e.g., a database of students, a list of products, a record of employees), an array of structures provides a natural and efficient way to store and manipulate this data.

* **Improved Code Organization:** Grouping related data into structures and then storing these structures in an array makes your code more readable and maintainable. It improves the overall structure and logical flow of your program.

* **Efficient Data Access:** You can access individual members of each structure within the array using array indexing and the dot (`.`) operator. This provides a straightforward way to retrieve and modify specific data points for each object.

* **Flexibility:** Structures can contain members of different data types, making the ...

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