These questions C Programming Interview Questions with Answers have been specially designed to familiarize freshers & professionals. With the intent to make, you familiarize with the nature of the questions asked during an Interview.
50 C Programming Interview Questions with Answers
1) What is pointer to pointer in C?
A pointer to a pointer is a form of multiple addressing or a series of pointers. Typically, the pointer contains the address of the variable. When we determine a pointer to a pointer, the first pointer contains the address of the second pointer, indicating the location containing the actual value, as shown below.
Eg: int val = 5, *p=&val, **q=&p;
Here ‘val’ can be accessed by **q.