diff -r 8168e16cd1e9 -r 227c2eabbef8 src/cx/linked_list.h
--- a/src/cx/linked_list.h	Sun Oct 03 16:02:53 2021 +0200
+++ b/src/cx/linked_list.h	Sun Oct 03 16:30:47 2021 +0200
@@ -74,19 +74,15 @@
 /**
  * Finds the last node in a linked list.
  *
- * If a pointer to \p end is provided, the result is just \c *end.
- * Otherwise, this function starts with the pointer denoted by \c *begin and
- * traverses the list along a next pointer whose location within the node struct is
+ * The function starts with the pointer denoted by \p begin and traverses the list
+ * along a next pointer whose location within the node struct is
  * denoted by \p loc_next.
  *
- * If both \p begin and \p end are \c NULL, an empty list is assumed and this function returns \c NULL.
- *
- * @param begin a pointer to the begin node pointer (optional)
- * @param end a pointer to the end node pointer (optional)
- * @param loc_next the location of the \c next pointer (only required when \p end is \c NULL)
- * @return a pointer to the last node or \c NULL if the list is empty
+ * @param begin a pointer to the begin node
+ * @param loc_next the location of the \c next pointer
+ * @return a pointer to the last node or \c NULL if \p begin is \c NULL
  */
-void *cx_linked_list_last(void **begin, void **end, ptrdiff_t loc_next);
+void *cx_linked_list_last(void *begin, ptrdiff_t loc_next);
 
 /**
  * Adds a new node to a linked list.