/* 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_recode_to_utf8(pTHX_ SV* sv, SV *encoding);
PERL_CALLCONV char* Perl_sv_reftype(pTHX_ SV* sv, int ob);
PERL_CALLCONV void Perl_sv_replace(pTHX_ SV* sv, SV* nsv);
PERL_CALLCONV void Perl_sv_report_used(pTHX);
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 UV Perl_to_utf8_fold(pTHX_ U8 *p, U8* ustrp, STRLEN *lenp);
#if defined(UNLINK_ALL_VERSIONS)
PERL_CALLCONV I32 Perl_unlnk(pTHX_ char* f);
#endif