+#undef Perl_utf8_to_bytes
+#define Perl_utf8_to_bytes pPerl->Perl_utf8_to_bytes
+#undef utf8_to_bytes
+#define utf8_to_bytes Perl_utf8_to_bytes
+#undef Perl_bytes_to_utf8
+#define Perl_bytes_to_utf8 pPerl->Perl_bytes_to_utf8
+#undef bytes_to_utf8
+#define bytes_to_utf8 Perl_bytes_to_utf8