In this document we are going to learn about pointers and their usage. Memorize this sentence: A pointer is a variable that contains a memory location. Pointers are arguably the most difficult feature of C to understand. Pointers are the variables that hold the address (memory location) of other variables. If a variable is x, address of x is defined as &x, & is a unary operator. They are special variables that don’t directly contain a value; rather, they “point to” (contain the starting memory address of) the location of a value stored in memory.This “pointed-to” value can be any type — an integer, a floating-point value, a struct, or even another pointer. It means, the address stored in array name can’t be changed. It’s that simple. 10 Mar 2018 View Comments #pointer #reference #memory #computer #programming « Encryption CODE » If you are a software developer, you probably have been taught numerous times about the pointers in the college. For most people it will take some time to fully understand pointers. You will also learn to dynamically allocate memory of struct types. A pointer should point to an address of a variable or type integer float double or char. Pointers are a very powerful tool in C and similar programming languages. C++ is one of the most widely accepted programming languages and it has found its way in hardware systems and OS. C structs and Pointers. In this tutorial, you'll learn to use pointers to access members of structs in C programming. Function pointers in C; Pointer to a function; Array Name as Pointers . C programming pointers explained. By Dan Gookin . Pointers in C++ have a very influential role to play. True, though you can get at a variable’s memory location, or address, by using the & operator, the pointer is a far more powerful beast. What is Pointers in C? C Pointers Explained Yet again. C++ Pointers – Explained. Pointer is a important concept in C programming. An int holds an integer number, a float holds a floating point decimal number. When it comes to C++ then pointer and references are one of the basic building blocks which give the programmer power to use one variable and provide access to another. A pointer is a variable that holds the memory address of another variable. In the following basic example, we will see how we can get the address and store it in another pointer variable. Once you master the use of pointers, you will use them everywhere. Explained with easy examples. For example, if we have an array named val then val and &val[0] can be used interchangeably. A program in execution assigns an address to the memory in which the variable stores a value. Pointer to a string is basically a pointer to a character. Though a bit complex, they are one of the most powerful tools in the programming language. If you need a teacher to learn C pointers, visit this link on C programming language courses. In this article, we will go from the very basics of pointers to their usage with arrays, functions, and structure. What is a pointer? Well, I have and each time I get the satisfaction of “hey, I know how pointers work!”. It is a very important and necessary concept in C programming and we found beginners struggling to grasp this concept. An array name contains the address of first element of the array which acts like constant pointer. So relax, grab a coffee, and To make full use of the C Programming language, you have to have a very good understanding of pointers. Basics of Pointers in C Programming. Before you learn about how pointers can be used with structs, be sure to check these tutorials: You have to learn pointers because they are used everywhere in the C language. You must accept the insanity of the pointer before moving on. Pointers are variables that are used to store the address of a variable, function, structure, array, and strings. C programs have different types of variables including ints, floats, arrays, chars, structs, and pointers. The inclusion of pointers in a C++ program can pave the way for a number of beneficial things. But, they are one of the features which make C an excellent language. Arrays hold multiple values. Let's give your attention to following C program. So be patient.