#include <stdio.h>
#include <stdlib.h>


typedef struct lista{
    int wartosc;
    struct lista *pref;
    struct lista *next;

} lista;

lista * head;

void addElement (lista * pierwszyelement, int wartoscc){
    lista *current, *newElement;
    current = pierwszyelement;
        while(current-> next != NULL){
            current=current-> next;
        };
    newElement = malloc(sizeof(struct lista));
    newElement-> wartosc = wartoscc;
    newElement-> pref = current;
    newElement->next = current-> next;
    current-> next = newElement;

}

void view (lista * pierwszyelement){
    lista *current, *newElement;
    current = pierwszyelement;
        while(current-> next != NULL){
            printf("\n wartosc %d",  current -> wartosc);
            printf("\n next %d",  current -> next);
            printf("\n pref %d \n \n",  current -> pref);
            current=current-> next;

        };

}


int main()
{
    head = malloc(sizeof(struct lista));
    head -> wartosc = 12 ;
    head -> pref = NULL;
    head -> next = NULL;

    addElement (head, 6);
    addElement (head, 5);
    addElement (head, 4);
    addElement (head, 3);
    addElement (head, 2);
    addElement (head, 1);

    view(head);


    return 0;
}