XmListDeleteItems deletes the specified items from the list. For each element of items, the first item
in the list that matches that element is deleted. A warning message appears if any of the items do not
exist.
widget Specifies the ID of the List from whose list an item is deleted
items Specifies a pointer to items to be deleted from the list
item_count
Specifies the number of elements in items This number must be nonnegative.
For a complete definition of List and its associated resources, see XmList(3).