MCQ-pointers(ques4)

#1

how can there be a memory leakage if the free() function is used on the ptr?

#2

As we can see that ptr is NULL, if we call free() on a NULL pointer then no action occurs.
There might be some error in the pdf due to which memory leak has been given.
But in reality no action will happen if we call free() ptr, since it is a NULL pointer.

#3

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