//Syntax of void pointer in C void* Pointer_Name; Let’s see an example code to understand the working of the void pointer. I have already written some blog post on the void pointer, you can check, MCQs on the void pointer in C. Void pointer in depth. #include <stdio.h> intmain(...
Read: Pointer Rules in C programming language.Declaration of a pointer to pointer (double pointer) in CWhen we declare a pointer variable we need to use dereferencing operator (asterisk character), similarly, to declare pointer to pointer, we need to use two asterisk characters before the ...
An Example of Null pointer in C Any pointer that contains a valid memory address can be made as aNULL pointerby assigning0. Example Here, firstlyptris initialized by the address ofnum, so it is not a NULL pointer, after that, we are assigning0to theptr, and then it will become a NU...
/*function pointer example in c.*/#include <stdio.h>//function: sum, will return sum of two//integer numbersintaddTwoNumbers(intx,inty) {returnx+y; }intmain() {inta, b, sum;//function pointer declarationint(*ptr_sum)(int,int);//function initialisationptr_sum=&addTwoNumbers; a=10...
▾ Programs ▾ Aptitude ▾ Interview ▾ Find Output ▾ MCQs ▾ CS Subjects ▾ More ▾ C Programs C Programs C Basic Programs C Switch Case Programs C Goto Programs C Bitwise Operators Programs C Looping Programs C String Manipulation Programs C String Programs C String User Defined...
C++ - Interview Questions & Answers C++ - Find Output Programs C++ - MCQs C++ Header Files & Functionsr C++ - Math Functions C++ - stdlib Header File Functions C++ - Power functions C++ - Trigonometric functions C++ - <climits> (limits.h) Macro constants Data Structure with C++ Quick Sort...
▾ Programs ▾ Aptitude ▾ Interview ▾ Find Output ▾ MCQs ▾ CS Subjects ▾ More ▾ C++ Programs C++ Programs - Home C++ Most popular & Searched Programs C++ Basic Input/Output Programs C++ Constructor & Destructor Programs C++ Manipulators Programs C++ Inheritance Programs C++ ...
C program to demonstrate example of union to pointer #include <stdio.h>intmain() {// union declarationunionnumber {inta;intb; };// union variable declarationunionnumber n={10};// a will be assigned with 10// pointer to unionunionnumber*ptr=&n; printf("a = %d\n", ptr->a);// ...
Exception: java.lang.NullPointerException Program Finished Explanation In the above program, we created a classMain. TheMainclass contains amain()method. Themain()method is the entry point for the program. Here, we created "try" and"catch"blocks. In the "try" block, a null pointer exception...
Learn: What are the User defined data types in C language like structure, how structure is defined and how their members can be accessed through structure variable and pointer of structure variable. This article will cover a brief on user defined data types in C. C supports various data types...