Arguments

 

treehead

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

   Tree head for the binary tree. The treehead argument is the
   address of an unsigned quadword that is this tree head.
 

symbol

   OpenVMS usage:user_arg
   type:         quadword (unsigned)
   access:       unspecified
   mechanism:    unspecified

   Key to be looked up in the binary tree.
 

user-compare-routine

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

   User-supplied compare routine that LIB$LOOKUP_TREE_64 calls to
   compare a symbol with a node. The value returned by the compare
   routine indicates the relationship between the symbol key and the
   current node.
 

new-node

   OpenVMS usage:address
   type:         quadword (unsigned)
   access:       write only
   mechanism:    by reference

   Location where the new symbol was found. The new-node argument
   is the address of an unsigned quadword that is the new node
   location.