What is a pointer variable?

Answer 1

https://www.sololearn.com/Discuss/77576/?ref=app

https://www.sololearn.com/Discuss/239697/?ref=app

https://www.sololearn.com/Discuss/1181282/?ref=app

Answer 2

A pointer is a variable whose value is the address of another variable. 

Answer 3

A pointer is a variable that holds address of other variable.

Answer 4

pointer variable is nothing but the variable that the pointer points