2-add_nodeint.c

#include "lists.h"

/**
* add_nodeint - Adds a new node at the beginning
* of a listint_t list.
* @head: A pointer to the address of the
* head of the listint_t list.
* @n: The integer for the new node to contain.
* Return: If the function fails - NULL.
* Otherwise - the address of the new element.
*/

listint_t *add_nodeint(listint_t **head, const int n)
{
	listint_t *new;

	new = malloc(sizeof(listint_t));
	if (new == NULL)
		return (NULL);

	new->n = n;
	new->next = *head;
	*head = new;

	return (new);
}