#define RETURNX(x) return x, PUTBACK, NORMAL
#define POPs (*sp--)
-#define POPp (SvPVx(POPs, PL_na))
+#define POPp (SvPVx(POPs, PL_na)) /* deprecated */
+#define POPpx (SvPVx(POPs, n_a))
#define POPn (SvNVx(POPs))
#define POPi ((IV)SvIVx(POPs))
#define POPu ((UV)SvUVx(POPs))
#define POPl ((long)SvIVx(POPs))
#define TOPs (*sp)
-#define TOPp (SvPV(TOPs, PL_na))
+#define TOPp (SvPV(TOPs, PL_na)) /* deprecated */
+#define TOPpx (SvPV(TOPs, n_a))
#define TOPn (SvNV(TOPs))
#define TOPi ((IV)SvIV(TOPs))
#define TOPu ((UV)SvUV(TOPs))
croak("Overloaded dereference did not return a reference"); \
goto am_again;
-#define tryAMAGICunDEREF(meth) tryAMAGICunW(meth,setAGAIN,0,)
+#define tryAMAGICunDEREF(meth) tryAMAGICunW(meth,setAGAIN,0,(void)0)
#define opASSIGN (PL_op->op_flags & OPf_STACKED)
#define SETsv(sv) STMT_START { \