NIELIT 2016 DEC Scientist B (IT) - Section B: 60

Question

How will you free the allocated memory?

• A. remove(var-name)
• B. free(var-name)
• C. delete(var-name)
• D. dalloc(var-name)

Answer 1

Option B:free(var-name)

Dynamically allocated memory created with either calloc() or malloc() doesn't get freed on their own. You must explicitly use free() to release the space.
Syntax of free:
free(ptr);  This statement frees the space allocated in the memory pointed by ptr.

Answer 2

Option b:- free( file?)

Answer 3

option B

free(ptr) is sytnax to free the dynamic memory allocated in the heap

Answer 4

correct ans : B 

1. free(var-name)