C-Pointer Basics

18 posts

Last Updated: 14 January 2024

In the world of REST API, making HTTP requests is the core functionality of modern technology. Many developers learn it when they land in a ...read more

C++-Misc C++

C-Pointer Basics

C++-Virtual Functions

QA - Placement Quizzes-Data Interpretation

Difference between constant pointer, pointers to constant, and constant pointers to constants

Last Updated: 17 October 2022

In this article, we will discuss the differences between constant pointer, pointers to constant constant pointers to constants. Pointers ar...read more

Order of execution in initializer list in C++

Last Updated: 03 November 2020

Prerequisite: Classes, Constructors, Initializer listIn this article, we will discuss the order of execution in the initializer list in C++. ...read more

Similar Topics

C++

3.7k+ articles

C Language

1.7k+ articles

C Programs

740+ articles

C Quiz

280+ articles

cpp-pointer

82+ articles

C-Pointers

70+ articles

Pointers

48+ articles

pointer

20+ articles

Advanced Pointer

14+ articles

C-Advanced Pointer

13+ articles

Unusual behaviour with character pointers

Last Updated: 03 November 2020

In C++, cout shows different printing behaviour with character pointers/arrays unlike pointers/arrays of other data types. So this article w...read more

Why do we need reference variables if we have pointers

Last Updated: 01 December 2021

Pointers: A pointer is a variable that holds memory address of another variable. A pointer needs to be de referenced with * operator to acce ...read more

How many levels of pointers can we have in C/C++

Last Updated: 18 January 2022

Prerequisite: Pointer in C and C++, Double Pointer (Pointer to Pointer) in CA pointer is used to point to a memory location of a variable. A ...read more

Pointer Arithmetics in C with Examples

Last Updated: 22 August 2023

Pointer Arithmetic is the set of valid arithmetic operations that can be performed on pointers. The pointer variables store the memory addre...read more

Difference between NULL pointer, Null character ('\0') and '0' in C with Examples

Last Updated: 01 June 2020

NULL Pointer:The integer constant zero(0) has different meanings depending upon it's used. In all cases, it is an integer constant with the ...read more

What is a Pointer to a Null pointer

Last Updated: 16 June 2022

NULL pointer in C At the very high level, we can think of NULL as a null pointer which is used in C for various purposes. Some of the most c ...read more

Features and Use of Pointers in C/C++

Last Updated: 23 June 2023

Pointers store the address of variables or a memory location.Syntax:datatype *var_name; Example: pointer "ptr" holds the address of an integ...read more

Difference between const char *p, char * const p and const char * const p

Last Updated: 11 September 2021

Prerequisite: PointersThere is a lot of confusion when char, const, *, p are all used in different permutations and meanings change accordin ...read more

C | Pointer Basics | Question 15

Last Updated: 28 June 2021

[sourcecode language="C"]#includestdio.hvoid swap (char *x, char *y){ char *t = x; x = y; y = t;}int main(){ char *x = geeksquiz ...read more

C Language

C Quiz

C-Pointer Basics

C | Pointer Basics | Question 17

Last Updated: 28 June 2021

[sourcecode language="C"]#includestdio.hvoid fun(int arr[]){ int i; int arr_size = sizeof(arr)/sizeof(arr[0]); for (i = 0; i arr_size; i ...read more

C Language

C Quiz

C-Pointer Basics

C | Pointer Basics | Question 8

Last Updated: 28 June 2021

[tabby title="C"][sourcecode language="c"]int main(){ char *ptr = \"GeeksQuiz\"; printf(\"%c", * return 0;}[/sourcecode][tabbyending](A)Comp ...read more

C Language

C Quiz

C-Pointer Basics

C | Pointer Basics | Question 17

Last Updated: 28 June 2021

Assume that float takes 4 bytes, predict the output of following program.[sourcecode language="C"]#include stdio.hint main(){ float arr[5 ...read more

1 2 >>

1 2 >>

1 2 >>