C-Variable Declaration and Scope Archives

Difference between Instance Variable and Local Variable

Last Updated: 02 November 2023

A variable is a name given to a memory location. It is the basic unit of storage in a program.The value stored in a variable can be changed ...read more

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C-Variable Declaration and Scope

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Difference between Instance Variable and Class Variable

Last Updated: 28 April 2021

Instance Variable: It is basically a class variable without a static modifier and is usually shared by all class instances. Across different ...read more

Analysis of Algorithms

C-Variable Declaration and Scope

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DSA

Efficient ways to compare a variable with multiple values

Last Updated: 02 April 2024

In this article, we will discuss the ways to compare a variable with values.Method 1: The idea is to compare each variable individually to a...read more

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C-Variable Declaration and Scope

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Difference between Identifiers and Variables in C

Last Updated: 28 October 2020

Perquisites: Identifiers, VariablesIdentifiersIdentifiers are used for the naming of variables, functions, and arrays. It is a string of alp ...read more

C Language

C-Variable Declaration and Scope

Difference Between

Difference between Static variables and Register variables in C

Last Updated: 04 January 2021

static variablesStatic variables have a property of preserving their value even after they are out of their scope! Hence, static variables p ...read more

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C-Variable Declaration and Scope

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Implicit initialization of variables with 0 or 1 in C

Last Updated: 19 June 2018

In C programming language, the variables should be declared before a value is assigned to it. For Example: // declaration of variable a a ...read more

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C Language

C-Variable Declaration and Scope

Internal Linkage and External Linkage in C

Last Updated: 02 April 2025

In C, linkage is a concept that describes how names/identifiers can or cannot refer to the same entity throughout the whole program or a sin ...read more

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Design Pattern

C-Variable Declaration and Scope

Redeclaration of global variable in C

Last Updated: 28 May 2017

Consider the below two programs:[sourcecode language="C"]// Program 1int main(){ int x; int x = 5; printf(%d, x); return 0; }[/sourc ...read more

cpp-storage-classes

C Language

C-Variable Declaration and Scope

C Variables

Last Updated: 13 May 2025

A variable in C is a named piece of memory which is used to store data and access it whenever required. It allows us to use the memory witho ...read more

C Basics

C Language

C-Variable Declaration and Scope

C | Variable Declaration and Scope | Question 2

Last Updated: 28 June 2021

Predict the output[sourcecode language="C"]#include stdio.hint var = 20;int main(){ int var = var; printf(%d , var); return 0;}[/so ...read more

C Language

C Quiz

C-Variable Declaration and Scope

C | Variable Declaration and Scope | Question 1

Last Updated: 28 June 2021

Consider the following two C lines[sourcecode language="C"]int var1;extern int var2;[/sourcecode]Which of the following statements is correc ...read more

C Language

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C-Variable Declaration and Scope

Complicated declarations in C

Last Updated: 22 August 2022

Most of the times declarations are simple to read, but it is hard to read some declarations which involve pointer to functions. For example, ...read more

pointer

C Language

C-Variable Declaration and Scope

Scope rules in C

Last Updated: 10 January 2025

The scope of a variable in C is the block or the region in the program where a variable is declared, defined, and used. Outside this region, ...read more

C Language

C-Variable Declaration and Scope

How Linkers Resolve Global Symbols Defined at Multiple Places?

Last Updated: 12 April 2023

At compile time, the compiler exports each global symbol to the assembler as either strong or weak, and the assembler encodes this informati ...read more

C Language

C-Variable Declaration and Scope

How are variables scoped in C - Static or Dynamic?

Last Updated: 12 April 2023

In C, variables are always statically (or lexically) scoped i.e., binding of a variable can be determined by program text and is independent ...read more

GFacts

C Language

C-Variable Declaration and Scope