Deletion in linked lists doubt

#1

I want to delete a node at the tail of the linked list, kindly check my code , it is not working ?

#2

to delete node from last use this code

 node*tail=head;
    while(tail->next&&tail->next->next){
        tail=tail->next;
    }
    node*del=tail-next;
    delete del;
    tail->next=NULL;

if you want that i will check your code
then plz send complete code so i can run your code and see what is happenning

#3

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