;
PERL_CALLCONV SV* Perl_vmess(pTHX_ const char* pat, va_list* args);
PERL_CALLCONV void Perl_qerror(pTHX_ SV* err);
+PERL_CALLCONV void Perl_sortsv(pTHX_ SV ** array, size_t num_elts, SVCOMPARE_t cmp);
PERL_CALLCONV int Perl_mg_clear(pTHX_ SV* sv);
PERL_CALLCONV int Perl_mg_copy(pTHX_ SV* sv, SV* nsv, const char* key, I32 klen);
PERL_CALLCONV MAGIC* Perl_mg_find(pTHX_ SV* sv, int type);