Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
What does “dereferencing” a pointer mean in C/C++?
Dereferencing is used to access or manipulate data contained in memory location pointed to by a pointer. *(asterisk) is used with pointer variable when dereferencing the pointer variable, it refers to variable being pointed, so this is called dereferencing of pointers.
int main() {
int a = 7, b ;
int *p; // Un-initialized Pointer
p = &a; // Stores address of a in ptr
b = *p; // Put Value at ptr in b
}Here, address in p is basically address of a variable.
Updated on: 07-Nov-2023
20K+ Views
Advertisements