#define incgv (curinterp->Iincgv)
#define initav (curinterp->Iinitav)
#define inplace (curinterp->Iinplace)
-#define intern (curinterp->Iintern)
+#define sys_intern (curinterp->Isys_intern)
#define lastfd (curinterp->Ilastfd)
#define lastscream (curinterp->Ilastscream)
#define lastsize (curinterp->Ilastsize)
#define Iincgv incgv
#define Iinitav initav
#define Iinplace inplace
-#define Iintern intern
+#define Isys_intern sys_intern
#define Ilastfd lastfd
#define Ilastscream lastscream
#define Ilastsize lastsize
#define incgv Perl_incgv
#define initav Perl_initav
#define inplace Perl_inplace
-#define intern Perl_intern
+#define sys_intern Perl_sys_intern
#define lastfd Perl_lastfd
#define lastscream Perl_lastscream
#define lastsize Perl_lastsize