⟩ What is calloc() function?
calloc initializes the allocated memory to 0 or Null.
calloc initializes the allocated memory to 0 or Null.
Tell me is NULL always defined as 0(zero)?
For what purpose null pointer used?
Tell me when is a void pointer used?
How many levels of pointers have?
Explain indirection?
A pointer is A. A keyword used to create variables B. A variable that stores address of an instruction C. A variable that stores address of other variable D. All of the above
What would be the equivalent pointer expression for referring the array element a[i][j][k][l] A. ((((a+i)+j)+k)+l) B. *(*(*(*(a+i)+j)+k)+l) C. (((a+i)+j)+k+l) D. ((a+i)+j+k+l)
Do you know NULL pointer?
How many bytes are occupied by near, far and huge pointers (DOS)? A. near=2 far=4 huge=4 B. near=4 far=8 huge=8 C. near=2 far=4 huge=8 D. near=4 far=4 huge=8
Tell me with an example the self-referential structure?