void ft_lstadd_front(t_list **lst, t_list *new)
t_list * ft_lstmap(t_list *lst, void *(*f)(void *), void(*del)(void *))
void ft_lstiter(t_list *lst, void(*f)(void *))
void ft_lstadd_back(t_list **lst, t_list *new)
void ft_lstclear(t_list **lst, void(*del)(void *))
t_list * ft_lstnew(void *content)
int ft_lstsize(t_list *lst)
t_list * ft_lstlast(t_list *lst)
void ft_lstdelone(t_list *lst, void(*del)(void *))