Perl_utf8n_to_uvuni
Perl_uvchr_to_utf8
Perl_uvuni_to_utf8
+Perl_pv_uni_display
+Perl_sv_uni_display
Perl_warn
Perl_vwarn
Perl_warner
Perl_sv_setsv_mg
Perl_sv_usepvn_mg
Perl_get_vtbl
-Perl_pv_uni_display
-Perl_sv_uni_display
Perl_dump_indent
Perl_dump_vindent
Perl_do_gv_dump