zList functions

zList member functions.

Function	Description
zList_Add	Adds the specified item to the end of the list.
zList_Alloc	Resets the list item buffer.
zList_Assign	Copies the source list.
zList_At	Returns a pointer to the specified item in the list buffer.
zList_Clear	Sets the count of list items to zero.
zList_Construct	Constructs a zList object.
zList_Count	Returns the total count of items in the list.
zList_Data	Returns a pointer to the list item buffer.
zList_Destroy	Destroys a zList object.
zList_Insert	Inserts an item into the list at the specified position.
zList_Item	Gets the value of an item.
zList_ItemSize	Returns the item size.
zList_Remove	Removes an item from the list at the specified index.
zList_SetItem	Sets the value of an item.