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C-Struct-Union-Enum

16 posts

When to Use Enum Instead of Macro in C?

Last Updated: 23 July 2025

In C programming, bothenums (short for enumeration)andmacros are used for defining symbolic names associated with specific values. However, there are situations where usin...read more

C-Struct-Union-Enum

When to Use Enum Instead of Define in C?

Last Updated: 23 July 2025

In C programming, both#defineandenumcan be used to declare integer constants but there are situations where usingenumis more beneficial than#define. In this article, we wi...read more

C-Struct-Union-Enum

How to Modify Struct Members Using a Pointer in C?

Last Updated: 23 July 2025

In C++, we use structure to group multiple different types of variables inside a single type. These different variables are called the members of structures. In this artic...read more

C-Struct-Union-Enum

How to Use a Union to Save Memory in C?

Last Updated: 23 July 2025

Unions in C offer a unique mechanism for storing different variables in the same memory location. These variables are called members of the union and can be of different t...read more

C-Struct-Union-Enum

C-Structure & Union

How to Declare a Pointer to a Struct in C?

Last Updated: 23 July 2025

Structure (or structs) in the C programming language provides a way to combine variables of several data types under one name and pointers provide a means of storing memor...read more

C-Struct-Union-Enum

Difference between Struct and Enum in C/C++ with Examples

Last Updated: 23 July 2025

Structure in C++A structure is a user-defined data type in C/C++. A structure creates a data type that can be used to group items of possibly different types into a single...read more

C-Struct-Union-Enum

Array of Structures vs Array within a Structure in C

Last Updated: 15 July 2025

Both Array of Structures and Array within a Structure in C programming is a combination of arrays and structures but both are used to serve different purposes.Array within...read more

C-Struct-Union-Enum

C-Structure & Union

C program to store Student records as Structures and Sort them by Name

Last Updated: 11 July 2025

Given student's records with each record containing id, name and age of a student. Write a C program to read these records and display them in sorted order by name.Example...read more

C-Struct-Union-Enum

“static const” vs “#define” vs “enum”

Last Updated: 11 July 2025

In this article, we will be analyzing "static const", "#define" and "enum". These three are often confusing and choosing which one to use can sometimes be a difficult task...read more

Technical Scripter 2018

C-Struct-Union-Enum

Designated Initializers in C

Last Updated: 27 April 2022

Standard C90 requires the elements of an initializer to appear in a fixed order, the same as the order of the elements in the array or structure being initialized.In ISO C...read more

Technical Scripter

C-Struct-Union-Enum

Structure Sorting (By Multiple Rules) in C++

Last Updated: 23 July 2025

Prerequisite : Structures in CName and marks in different subjects (physics, chemistry and maths) are given for all students. The task is to compute total marks and ranks ...read more

C-Struct-Union-Enum

Enumeration (or enum) in C

Last Updated: 29 July 2025

In C, an enumeration (or enum) is a user defined data type that contains a set of named integer constants. It is used to assign meaningful names to integer values, which m...read more

C-Struct-Union-Enum

Last Updated: 23 July 2025

In C, union is a user-defined data type that can contain elements of the different data types just like structure. But unlike structures, all the members in the C union ar...read more

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C-Struct-Union-Enum

Last Updated: 06 September 2021

What will be the size of following structure?CPP struct employee{ int emp_id; int name_len; char name[0];}; 4 + 4 + 0 = 8 bytes.And what ...read more

C-Struct-Union-Enum

Structure Member Alignment, Padding and Data Packing

Last Updated: 29 July 2025

In C, the structures are used as data packs. They don't provide any data encapsulation or data hiding features.In this article, we will discuss the property of structure p...read more

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C-Struct-Union-Enum