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What is the address of a pointer in C++?

What is the address of a pointer in C++?

In C++, a pointer refers to a variable that holds the address of another variable. Like regular variables, pointers have a data type. For example, a pointer of type integer can hold the address of a variable of type integer. A pointer of character type can hold the address of a variable of character type.

Is the address of a pointer a pointer?

Pointers and Arrays: int list[10]; // the variable list is a pointer // to the first integer in the array int * p; // p is a pointer. It has the same type as list. Both pointers to ints. In the above code, the address stored in list has been assigned to p.

How do you get the address a pointer is pointing to?

When you place an ampersand in front of a variable you will get it’s address, this can be stored in a pointer vairable. When you place an asterisk in front of a pointer you will get the value at the memory address pointed to.

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How does this pointer work in C++?

The ‘this’ pointer is passed as a hidden argument to all nonstatic member function calls and is available as a local variable within the body of all nonstatic functions. ‘this’ pointer is not available in static member functions as static member functions can be called without any object (with class name).

How do you print the address a pointer points to in C?

To print the memory address, we use ‘\%p’ format specifier in C. To print the address of a variable, we use “\%p” specifier in C programming language. There are two ways to get the address of the variable: By using “address of” (&) operator.

How do you set a pointer to a value in C++?

How to use a pointer?

  1. Define a pointer variable.
  2. Assigning the address of a variable to a pointer using unary operator (&) which returns the address of that variable.
  3. Accessing the value stored in the address using unary operator (*) which returns the value of the variable located at the address specified by its operand.
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What is a pointer reference?

A pointer in C++ is a variable that holds the memory address of another variable. A reference is an alias for an already existing variable. Once a reference is initialized to a variable, it cannot be changed to refer to another variable.