1 files changed, 4 insertions, 0 deletions
diff --git a/proto.h b/proto.h
index df2ddb4430..31b8f45649 100644
--- a/proto.h
+++ b/proto.h
@@ -885,6 +885,10 @@ PERL_CALLCONV char*	Perl_sv_2pvbyte_nolen(pTHX_ SV* sv);
 PERL_CALLCONV char*	Perl_sv_pv(pTHX_ SV *sv);
 PERL_CALLCONV char*	Perl_sv_pvutf8(pTHX_ SV *sv);
 PERL_CALLCONV char*	Perl_sv_pvbyte(pTHX_ SV *sv);
+PERL_CALLCONV void	Perl_sv_utf8_upgrade(pTHX_ SV *sv);
+PERL_CALLCONV bool	Perl_sv_utf8_downgrade(pTHX_ SV *sv, bool fail_ok);
+PERL_CALLCONV void	Perl_sv_utf8_encode(pTHX_ SV *sv);
+PERL_CALLCONV bool	Perl_sv_utf8_decode(pTHX_ SV *sv);
 PERL_CALLCONV void	Perl_sv_force_normal(pTHX_ SV *sv);
 PERL_CALLCONV void	Perl_tmps_grow(pTHX_ I32 n);
 PERL_CALLCONV SV*	Perl_sv_rvweaken(pTHX_ SV *sv);