This function should be called before any other function is called on the list.
*/
-void *list_add(List *list, void *dat, Comparator cmp, Transformer func);
+void *list_add(List *list, void *dat, Comparator cmp, Transformer trans);
/*
Add an element to the list.
Otherwise, return added element.
*/
-void *list_get(List *list, void *key, Comparator cmp, Transformer func);
+void *list_get(List *list, void *key, Comparator cmp, Transformer trans);
/*
Get an element from the list.
The first matching element is returned, or NULL if none found.
*/
-void *list_del(List *list, void *key, Comparator cmp, Transformer func);
+void *list_del(List *list, void *key, Comparator cmp, Transformer trans);
/*
Delete an element from the list.
Append an element at the end of the list.
*/
+void list_ppd(List *list, void *dat);
+/*
+ Prepend an element at the start of the list.
+*/
+
ListNode **list_nfd(List *list, void *key, Comparator cmp);
/*
Find the location of the first node matching key.
Remove the node at the given location.
*/
-void list_itr(List *list, Iterator func, void *arg);
+void list_itr(List *list, Iterator iter, void *arg, Transformer trans);
/*
Iterate over the list.
- Calls func on every element, with the extra argument arg.
+ Calls iter on every element, with the extra argument arg.
Note: the LIST_ITERATE macro can be used to do this without function calls.
*/
-void list_clr(List *list, Iterator func, void *arg);
+void list_clr(List *list, Iterator iter, void *arg, Transformer trans);
/*
Iterates over the list and deletes all elements.
- Calls func on every element, with the extra argument arg.
+ Calls iter on every element, with the extra argument arg.
The list is empty afterwards.
*/