Arguments

 

treehead

   OpenVMS usage:address
   type:         address
   access:       read only
   mechanism:    by reference

   Tree head of the binary tree. The treehead argument is the
   address of an unsigned longword that is the tree head in the
   binary tree traversal.
 

user-action-procedure

   OpenVMS usage:procedure
   type:         procedure value
   access:       function call (before return)
   mechanism:    by value

   User-supplied action routine called by LIB$TRAVERSE_TREE for each
   node in the tree. The user-action-procedure argument must return
   a success status for LIB$TRAVERSE_TREE to continue traversal.
 

user-data-address

   OpenVMS usage:user_arg
   type:         longword (unsigned)
   access:       read only
   mechanism:    by reference

   User data that LIB$TRAVERSE_TREE passes to your action routine.
   The user-data-address argument contains the address of this user
   data. This is an optional argument; the default value is 0.