Program test


Uses:
    module rbtree_int_mod
Variables:
    type (rbtree_int) :: rbtree
    type (rb_node_int), pointer :: rbnode
    type (rbtree_int_iterator) :: rbiter
    integer :: inp = 40
    integer :: stat = 0
    integer :: ierr
    integer :: i
    integer :: l
    integer :: c
    logical :: value
    real :: r