code: def getBoneHierarchy(self, action, unIndexArayCount):
          
  
          fn = self.function_table.getBoneHierarchy
          pParentIndices = BoneIndex_t()
          result = fn(action, byref(pParentIndices), unIndexArayCount)
          return result, pParentIndices
docs: Fills the given array with the index of each bone's parent in the skeleton associated with the given action