C Array and String Archives

What's difference between char s[] and char *s in C?

Last Updated: 10 January 2025

Consider below two statements in C. What is the difference between the two? char s[] = "geeksquiz"; char *s = "geeksquiz";Below are the...read more

cpp-string

C Language

Difference Between

C Array and String

Variable Length Arrays (VLAs) in C

Last Updated: 10 January 2025

In C, variable length arrays (VLAs) are also known as runtime-sized or variable-sized arrays. The size of such arrays is defined at run-time ...read more

What are the data types for which it is not possible to create an array?

Last Updated: 18 December 2024

In C, an array is a collection of variables of the same data type, stored in contiguous memory locations. Arrays can store data of primitive ...read more

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How to write long strings in Multi-lines C/C++?

Last Updated: 06 July 2023

Image a situation where we want to use or print a long long string in C or C++, how to do this? In C/C++, we can break a string at any poin ...read more

How to pass a 2D array as a parameter in C?

Last Updated: 04 March 2025

A 2D array is essentially an array of arrays, where each element of the main array holds another array. In this article, we will see how to ...read more

cpp-parameter-passing

How to dynamically allocate a 2D array in C?

Last Updated: 10 January 2025

Following are different ways to create a 2D array on the heap (or dynamically allocate a 2D array).In the following examples, we have consid ...read more

Difference between Arrays and Pointers

Last Updated: 07 August 2023

The array and pointers are derived data types that have lots of differences and similarities. In some cases, we can even use pointers in pla ...read more

Initialization of variables sized arrays in C

Last Updated: 28 September 2018

The C99 standard allows variable sized arrays (see this). But, unlike the normal arrays, variable sized arrays cannot be initialized. For e ...read more

C Language

C Array and String

Are Array Members Deeply Copied?

Last Updated: 16 April 2025

In C++, we can assign a struct (or class) variable to another variable of same type. All members of one variable are copied to the other var ...read more

pointer

C Language

C Array and String

What is the difference between single quoted and double quoted declaration of char array?

Last Updated: 06 January 2025

In C programming, the way we declare and initialize a char array can differ based on whether we want to use a sequence of characters and str ...read more

C Language

C Array and String

Initialization of Multidimensional Array in C

Last Updated: 18 December 2024

In C, multidimensional arrays are the arrays that contain more than one dimensions. These arrays are useful when we need to store data in a ...read more

Do Not Use sizeof For Array Parameters in C

Last Updated: 01 July 2022

Using sizeof directly to find the size of arrays can result in an error in the code, as array parameters are treated as pointers. Consider t ...read more

C Language

C++

C Array and String

gets() is risky to use!

Last Updated: 30 October 2023

Consider the below program.[tabby title="C"][sourcecode language="c"]void read(){ char str[20]; gets(str); printf(%s, str); return;} ...read more

C function to Swap strings

Last Updated: 18 April 2023

Let us consider the below program. [tabby title="C"][sourcecode language="c"]#includestdio.h void swap(char *str1, char *str2) { char *temp ...read more

C Language

C Array and String

Storage for Strings in C

Last Updated: 10 January 2025

In C, a string can be referred to either using a character pointer or as a character array.Strings as character arrays[GFGTABS] C ...read more

C Language

C Array and String