PERL_CALLCONV U32 Perl_to_uni_upper_lc(pTHX_ U32 c);
PERL_CALLCONV U32 Perl_to_uni_title_lc(pTHX_ U32 c);
PERL_CALLCONV U32 Perl_to_uni_lower_lc(pTHX_ U32 c);
+PERL_CALLCONV int Perl_is_utf8_char(pTHX_ U8 *p);
PERL_CALLCONV bool Perl_is_utf8_alnum(pTHX_ U8 *p);
PERL_CALLCONV bool Perl_is_utf8_alnumc(pTHX_ U8 *p);
PERL_CALLCONV bool Perl_is_utf8_idfirst(pTHX_ U8 *p);
PERL_CALLCONV OP* Perl_newSVREF(pTHX_ OP* o);
PERL_CALLCONV OP* Perl_newSVOP(pTHX_ I32 type, I32 flags, SV* sv);
PERL_CALLCONV SV* Perl_newSViv(pTHX_ IV i);
+PERL_CALLCONV SV* Perl_newSVuv(pTHX_ UV u);
PERL_CALLCONV SV* Perl_newSVnv(pTHX_ NV n);
PERL_CALLCONV SV* Perl_newSVpv(pTHX_ const char* s, STRLEN len);
PERL_CALLCONV SV* Perl_newSVpvn(pTHX_ const char* s, STRLEN len);