array of structure in c with examples

## Array of Structures in C: A Comprehensive Tutorial

This tutorial delves into the concept of arrays of structures in C, providing a detailed explanation with illustrative code examples. Understanding arrays of structures is crucial for managing collections of related data in a structured and efficient manner.

**1. What is a Structure?**

Before we dive into arrays of structures, let's briefly recap what structures are in C. A structure (often called a `struct`) is a user-defined data type that groups together variables of different data types under a single name. These variables are called members or fields of the structure.

**Example:**

In this example, `struct Student` is a structure that groups a student's name, roll number, and marks. We declare a variable `student1` of type `struct Student` and then assign values to its members using the dot (`.`) operator.

**2. What is an Array of Structures?**

An array of structures is simply an array where each element is a structure of the same type. It allows you to store and manipulate a collection of related objects, each having the same set of data fields (members).

**Analogy:**

Think of a spreadsheet. Each row can represent a student record, and each column represents a specific piece of information (name, roll number, marks). An array of structures is like a collection of such rows, all having the same columns (structure members).

**3. Declaration of an Array of Structures**

To declare an array of structures, you first define the structure, then declare the array using the following syntax:

**Example:**

**4. Accessing Members of an Array of Structures**

To access members of a specific structure within the array, you use the array index and the dot (`.`) operator:

* `arrayName`: The name of the array of structures.
* `index`: The index of the structure within the array (starting from 0).
* `memberName`: The name of the member you want to access.

**Example:**

**5. Initializing an Array of ...

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