-#ifdef hpux
-#define SC_REG(sc, n) (((unsigned long *)(&(sc)->sc_sl.sl_ss.ss_flags))[n])
-#define SC_PC(sc) ((sc)->sc_sl.sl_ss.ss_pcoq_head)
-#define SC_NPC(sc) ((sc)->sc_sl.sl_ss.ss_pcoq_tail)
-#else
-#define SC_REG(sc, n) (((unsigned long *)((sc)->sc_ap))[n])
-#define SC_PC(sc) ((sc)->sc_pcoqh)
-#define SC_NPC(sc) ((sc)->sc_pcoqt)
-#endif