Tough C Interview Questions

What is your understanding of the various storage classes in C?
How would you differentiate between character arrays and strings?
What are the varied advantages that a macro holds over a function?
In C programming parlance what do you understand by null pointer?
Do you know the method of checking if a linked list is of a circular shape?
Can you please tell us what would be the output if we write printf (“%d”)?
What do know about static variable?
Are you aware of what hashing means
What do you understand by page thrashing?
Tell us one instance when your experience in C came to your rescue while dealing with an intricate C based project.
According to you what are the most vital skills to excel in C programming?
How important is designing the flow chart when you are making a program in C?