Implement libft Part 3 (linked lists) with tests

Add t_list struct and 9 linked list functions: ft_lstnew,
ft_lstadd_front, ft_lstsize, ft_lstlast, ft_lstadd_back,
ft_lstdelone, ft_lstclear, ft_lstiter, ft_lstmap.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/ft_lstlast.c b/src/ft_lstlast.c
new file mode 100644
index 0000000..68b6337
--- /dev/null
+++ b/src/ft_lstlast.c
@@ -0,0 +1,11 @@
+#include "libft.h"
+
+t_list *
+ft_lstlast (t_list *lst)
+{
+  if (!lst)
+    return (NULL);
+  while (lst->next)
+    lst = lst->next;
+  return (lst);
+}