PERL_CALLCONV SV* Perl_new_version(pTHX_ SV *ver);
PERL_CALLCONV SV* Perl_upg_version(pTHX_ SV *ver);
PERL_CALLCONV SV* Perl_vnumify(pTHX_ SV *vs);
+PERL_CALLCONV SV* Perl_vnormal(pTHX_ SV *vs);
PERL_CALLCONV SV* Perl_vstringify(pTHX_ SV *vs);
PERL_CALLCONV int Perl_vcmp(pTHX_ SV *lvs, SV *rvs);
PERL_CALLCONV PerlIO* Perl_nextargv(pTHX_ GV* gv);