Nodeafternode

// Case 4
struct Node * insertAfterNode(struct Node *head, struct Node *prevNode, int data){
    struct Node * ptr = (struct Node *) malloc(sizeof(struct Node));
    ptr->data = data;
 
    ptr->next = prevNode->next;
    prevNode->next = ptr;
 
    return head;
}

Source: codewithharry.com

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