#define Perl_utf8_to_uv pPerl->Perl_utf8_to_uv
#undef utf8_to_uv
#define utf8_to_uv Perl_utf8_to_uv
+#undef Perl_utf8_to_uv_chk
+#define Perl_utf8_to_uv_chk pPerl->Perl_utf8_to_uv_chk
+#undef utf8_to_uv_chk
+#define utf8_to_uv_chk Perl_utf8_to_uv_chk
#undef Perl_uv_to_utf8
#define Perl_uv_to_utf8 pPerl->Perl_uv_to_utf8
#undef uv_to_utf8