C is quirky, flawed, and an enormous success. Dennis M. Ritchie
Write a program to remove the duplicate node in the singly linked list. Singly linked list node store the next node link and data. The utility function takes linked list head, iterate all the nodes and remove the duplicate node in the linked list.
Print the list of items: 21->52->33->21->67->NULL Print the list of items after remove duplicate: 21->52->33->67->NULL