Check out example codes for "last index of linkedList in c". It will help you in understanding the concepts better.

Code Example 1

typedef struct Node {
  struct Node* next;
  int val;
} Node;

The function passes through every node until it reaches the node pointing to
input: The list pointer
output: The last node in the list.
Node* getLastNode(Node* list)
       list = list->next; 
    return list;

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