everest% CC -c bstree.C
everest% CC main1.C bstree.o
everest% 

everest% a.out

Inorder Traversal:
(( [2,a] ( [3,a] )) [5,a] (( [6,y] ) [8,x] ( [9,z] )))

Min Item:
[2,a]

Max Item:
[9,z]

Delete entire tree:
BSTreeNode Destructor: key=5, stuff=a
BSTreeNode Destructor: key=8, stuff=x
BSTreeNode Destructor: key=9, stuff=z
BSTreeNode Destructor: key=6, stuff=y
BSTreeNode Destructor: key=2, stuff=a
BSTreeNode Destructor: key=3, stuff=a
everest%