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

typedef struct Node
{
	int data;

	struct Node *next;
	struct Node *prev;
}Node_t;


Node_t *next = NULL;
Node_t *prev = NULL;

Node_t *root = NULL;
Node_t *tail = NULL;


void push_front(int data)		 // v nachalo
{
	Node_t * temp = NULL;
	temp = (Node_t *)malloc(sizeof(Node_t));
	temp->data = data;
	temp->next = NULL;
}


void push(Node_t * head, int data) 	 // в конец
{
	Node_t * current = head;
	while (current->next != NULL)
	{
		current = current->next;
	}

	current->next = (Node_t *)malloc(sizeof(Node_t));
	current->next->data = data;
	current->next->next = NULL;
}

void printList()
{
	Node_t *temp = root;
	while (temp != NULL)
	{
		printf("%d", temp->data);
		temp = temp->next;
	}
	printf('\n');
}


int main()
{
	push_front(110);
	push_front(20);
	push_front(330);
	push_front(41);
	push_front(40);
	push_front(56);

	printList();

}