How will you print the value and address of a pointer variable in C?

112. How will you print the value and address of a pointer variable (example int *p) in C? We can use printf (“\%x”, p); statement to print the address that pointer “p” stores. We can use printf (“\%d”, *p); statement to print the value of the pointer variable.

How do you write pointer syntax to get the address of a variable?

To access address of a variable to a pointer, we use the unary operator & (ampersand) that returns the address of that variable. For example &x gives us address of variable x.

Can you print a pointer in C?

Printing pointers. You can print a pointer value using printf with the \%p format specifier. To do so, you should convert the pointer to type void * first using a cast (see below for void * pointers), although on machines that don’t have different representations for different pointer types, this may not be necessary.

What is address of variable in C?

The Address Operator in C also called a pointer. This address operator is denoted by “&”. An address of the operator is used within C that is returned to the memory address of a variable. These addresses returned by the address of the operator are known as pointers because they “point” to the variable in memory.

How is pointer initialized in C?

You need to initialize a pointer by assigning it a valid address. This is normally done via the address-of operator (&). The address-of operator (&) operates on a variable, and returns the address of the variable. For example, if number is an int variable, &number returns the address of the variable number.

What is pointer syntax?

The general syntax of pointer declaration is, datatype *pointer_name; The data type of the pointer and the variable to which the pointer variable is pointing must be the same.

What is a pointer to a pointer in C?

C – Pointer to Pointer, A pointer to a pointer is a form of multiple indirection, or a chain of pointers. Normally, a pointer contains the address of a variable. When we define a point

How does \%pconversion work in C++?

The input item is converted to a pointer value in an implementation-defined manner. If the input item is a value converted earlier during the same program execution, the pointer that results shall compare equal to that value; otherwise the behavior of the \%pconversion is undefined.

How to assign a variable to a pointer in C++?

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.

What is a void pointer in C++?

Here b points to a char that stores ‘g’ and c points to the pointer b. This is a special type of pointer available in C++ which represents absence of type. void pointers are pointers that point to a value that has no type (and thus also an undetermined length and undetermined dereferencing properties).