Write a functionLi stNode *removeFirst( ListNode *ptr)that is passed a linked list as parameter and returns the tai l of the list: That is, itremoves the first node and returns what is left. The function should deallocate thestorage of the removed node. The function returns null ptr if the list passed to itis empty.

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter18: Stacks And Queues
Section: Chapter Questions
Problem 16SA
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Write a function
Li stNode *removeFirst( ListNode *ptr)
that is passed a linked list as parameter and returns the tai l of the list: That is, it
removes the first node and returns what is left. The function should deallocate the
storage of the removed node. The function returns null ptr if the list passed to it
is empty.

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