gdl_next, gdl_prev (3) -- gdl_next, gdl_prev - return next or previous element of a list
gdl_next_nth, gdl_prev_nth (3) -- gdl_next_nth, gdl_prev_nth - return the nth next or nth previous element of a list
gdl_append, gdl_insert (3) -- gdl_append, gdl_insert - enter new item as last or first of the list
gdl_insert_before, gdl_insert_after (3) -- gdl_insert_before, gdl_insert_after - enter new item as last or first of the list
gdl_remove (3) -- gdl_remove - remove an item from a list
gdl_swap (3) -- gdl_swap - swap two elements on a list
gdl_reverse (3) -- gdl_reverse - reverse the items of a list
gdl_foreach (3) -- gdl_foreach - iterate over all elements of a list
gdl_nth (3) -- gdl_nth - retrieve a pointer to the nth element of a list
gdl_index (3) -- gdl_index - count element index on a list
gdl_check (3) -- gdl_check - check the integrity of a list
gdl_find (3) -- gdl_find - find an element on the list using a callback