Library /sys$common/syshlp/helplib.hlb  —  RTL Routines, LIB$  LIB$TRAVERSE_TREE
    The Traverse a Balanced Binary Tree routine calls an action
    routine for each node in a binary tree.

    Format

      LIB$TRAVERSE_TREE  treehead ,user-action-procedure

                         [,user-data-address]
Additional Information: explode extract
Returns Arguments
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