-#else
-# define OpHAS_SIBLING(o) (cBOOL((o)->op_sibling))
-# define OpSIBLING(o) (0 + (o)->op_sibling)
-# define OpMORESIB_set(o, sib) ((o)->op_moresib = 1, (o)->op_sibling = (sib))
-# define OpLASTSIB_set(o, parent) \
- ((o)->op_moresib = 0, (o)->op_sibling = NULL)
-# define OpMAYBESIB_set(o, sib, parent) \
- ((o)->op_moresib = cBOOL(sib), (o)->op_sibling = (sib))
-#endif