#define AvALLOC(av) (*((SV***)&((XPVAV*) SvANY(av))->xav_alloc))
#define AvMAX(av) ((XPVAV*) SvANY(av))->xav_max
#define AvFILLp(av) ((XPVAV*) SvANY(av))->xav_fill
-#define AvARYLEN(av) (*Perl_av_arylen_p(aTHX_ (AV*)av))
+#define AvARYLEN(av) (*Perl_av_arylen_p(aTHX_ MUTABLE_AV(av)))
#define AvREAL(av) (SvFLAGS(av) & SVpav_REAL)
#define AvREAL_on(av) (SvFLAGS(av) |= SVpav_REAL)
=cut
*/
-#define newAV() ((AV *)newSV_type(SVt_PVAV))
+#define newAV() MUTABLE_AV(newSV_type(SVt_PVAV))
/*
* Local variables: