AVL_IS_EMPTY(3AVL)       AVL Tree Library Functions       AVL_IS_EMPTY(3AVL)
NAME
     avl_is_empty - determine if an AVL tree is empty
SYNOPSIS
     AVL Tree Library (libavl, -lavl)     
#include <sys/avl.h>     boolean_t     avl_is_empty(
avl_tree_t *tree);
DESCRIPTION
     The 
avl_is_empty() function is used to determine whether or not the AVL
     tree, 
tree, is empty.  If 
tree has zero nodes in it, then 
B_TRUE is
     returned, otherwise 
B_FALSE is returned.
RETURN VALUES
     The 
avl_is_empty() function returns 
B_TRUE when there are no nodes in
     the tree and 
B_FALSE otherwise.
EXAMPLES
     See the 
EXAMPLES section in 
libavl(3LIB).
INTERFACE STABILITY
     CommittedMT-Level     See 
Locking in 
libavl(3LIB).
SEE ALSO
     libavl(3LIB)illumos                          May 7, 2015                         illumos