typedef struct	s_dlist
{
	void			*content;
	size_t			content_size;
	struct s_dlist	*next;
	struct s_dlist	*prev;
}				t_dlist;

void	ft_dlst_add_after(t_dlist **alst, t_dlist *new);
void	ft_dlst_add_before(t_dlist **alst, t_dlist *new);
void	ft_dlst_delone(t_dlist **alst, void (*del)(void *, size_t));
int		ft_dlst_size(t_dlist *list);
t_dlist	*ft_dlst_new(void const *content, size_t content_size);
t_dlist	*ft_dlst_last(t_dlist *list);
char	*ft_dlsttostr(t_dlist *list);