+PERL_CALLCONV int Perl_magic_setglob(pTHX_ SV* sv, MAGIC* mg);
+PERL_CALLCONV AV * Perl_newAV(pTHX);
+PERL_CALLCONV HV * Perl_newHV(pTHX);
+PERL_CALLCONV IO * Perl_newIO(pTHX);
+PERL_CALLCONV I32 Perl_my_stat(pTHX);
+PERL_CALLCONV I32 Perl_my_lstat(pTHX);
+PERL_CALLCONV I32 Perl_sv_eq(pTHX_ register SV *sv1, register SV *sv2);
+PERL_CALLCONV char * Perl_sv_collxfrm(pTHX_ SV *const sv, STRLEN *const nxp);
+PERL_CALLCONV bool Perl_sv_2bool(pTHX_ register SV *const sv);
+PERL_CALLCONV CV * Perl_newSUB(pTHX_ I32 floor, OP* o, OP* proto, OP* block);
+PERL_CALLCONV UV Perl_to_utf8_lower(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp);
+PERL_CALLCONV UV Perl_to_utf8_title(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp);
+PERL_CALLCONV UV Perl_to_utf8_upper(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp);
+PERL_CALLCONV UV Perl_to_utf8_fold(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp);
+PERL_CALLCONV SV *Perl_sv_mortalcopy(pTHX_ SV *const oldstr);