#define Perl_ck_index pPerl->Perl_ck_index
#undef ck_index
#define ck_index Perl_ck_index
+#undef Perl_ck_join
+#define Perl_ck_join pPerl->Perl_ck_join
+#undef ck_join
+#define ck_join Perl_ck_join
#undef Perl_ck_lengthconst
#define Perl_ck_lengthconst pPerl->Perl_ck_lengthconst
#undef ck_lengthconst