PERL_CALLCONV IV Perl_sv_2iv(pTHX_ SV* sv);
PERL_CALLCONV SV* Perl_sv_2mortal(pTHX_ SV* sv);
PERL_CALLCONV NV Perl_sv_2nv(pTHX_ SV* sv);
-PERL_CALLCONV char* Perl_sv_2pv(pTHX_ SV* sv, STRLEN* lp);
+/* PERL_CALLCONV char* sv_2pv(pTHX_ SV* sv, STRLEN* lp); */
PERL_CALLCONV char* Perl_sv_2pvutf8(pTHX_ SV* sv, STRLEN* lp);
PERL_CALLCONV char* Perl_sv_2pvbyte(pTHX_ SV* sv, STRLEN* lp);
PERL_CALLCONV char* Perl_sv_pvn_nomg(pTHX_ SV* sv, STRLEN* lp);
;
PERL_CALLCONV void Perl_sv_vcatpvf(pTHX_ SV* sv, const char* pat, va_list* args);
PERL_CALLCONV void Perl_sv_catpv(pTHX_ SV* sv, const char* ptr);
-PERL_CALLCONV void Perl_sv_catpvn(pTHX_ SV* sv, const char* ptr, STRLEN len);
-PERL_CALLCONV void Perl_sv_catsv(pTHX_ SV* dsv, SV* ssv);
+/* PERL_CALLCONV void sv_catpvn(pTHX_ SV* sv, const char* ptr, STRLEN len); */
+/* PERL_CALLCONV void sv_catsv(pTHX_ SV* dsv, SV* ssv); */
PERL_CALLCONV void Perl_sv_chop(pTHX_ SV* sv, char* ptr);
PERL_CALLCONV I32 Perl_sv_clean_all(pTHX);
PERL_CALLCONV void Perl_sv_clean_objs(pTHX);
PERL_CALLCONV char* Perl_sv_peek(pTHX_ SV* sv);
PERL_CALLCONV void Perl_sv_pos_u2b(pTHX_ SV* sv, I32* offsetp, I32* lenp);
PERL_CALLCONV void Perl_sv_pos_b2u(pTHX_ SV* sv, I32* offsetp);
-PERL_CALLCONV char* Perl_sv_pvn_force(pTHX_ SV* sv, STRLEN* lp);
+/* PERL_CALLCONV char* sv_pvn_force(pTHX_ SV* sv, STRLEN* lp); */
PERL_CALLCONV char* Perl_sv_pvutf8n_force(pTHX_ SV* sv, STRLEN* lp);
PERL_CALLCONV char* Perl_sv_pvbyten_force(pTHX_ SV* sv, STRLEN* lp);
PERL_CALLCONV char* Perl_sv_reftype(pTHX_ SV* sv, int ob);
PERL_CALLCONV SV* Perl_sv_setref_pvn(pTHX_ SV* rv, const char* classname, char* pv, STRLEN n);
PERL_CALLCONV void Perl_sv_setpv(pTHX_ SV* sv, const char* ptr);
PERL_CALLCONV void Perl_sv_setpvn(pTHX_ SV* sv, const char* ptr, STRLEN len);
-PERL_CALLCONV void Perl_sv_setsv(pTHX_ SV* dsv, SV* ssv);
+/* PERL_CALLCONV void sv_setsv(pTHX_ SV* dsv, SV* ssv); */
PERL_CALLCONV void Perl_sv_taint(pTHX_ SV* sv);
PERL_CALLCONV bool Perl_sv_tainted(pTHX_ SV* sv);
PERL_CALLCONV int Perl_sv_unmagic(pTHX_ SV* sv, int type);
PERL_CALLCONV UV Perl_swash_fetch(pTHX_ SV *sv, U8 *ptr, bool do_utf8);
PERL_CALLCONV void Perl_taint_env(pTHX);
PERL_CALLCONV void Perl_taint_proper(pTHX_ const char* f, const char* s);
+PERL_CALLCONV UV Perl_to_utf8_case(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp, SV **swash, char *normal, char *special);
PERL_CALLCONV UV Perl_to_utf8_lower(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp);
PERL_CALLCONV UV Perl_to_utf8_upper(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp);
PERL_CALLCONV UV Perl_to_utf8_title(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp);
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 STRLEN Perl_sv_utf8_upgrade(pTHX_ SV *sv);
+/* PERL_CALLCONV STRLEN 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);