__attribute__malloc__
__attribute__warn_unused_result__;
+PERL_CALLCONV SV* Perl_newSVpvn_flags(pTHX_ const char* s, STRLEN len, U32 flags)
+ __attribute__malloc__
+ __attribute__warn_unused_result__;
+
PERL_CALLCONV SV* Perl_newSVhek(pTHX_ const HEK *hek)
__attribute__malloc__
__attribute__warn_unused_result__;
PERL_CALLCONV char* Perl_sv_pvbyten_force(pTHX_ SV* sv, STRLEN* lp)
__attribute__nonnull__(pTHX_1);
+PERL_CALLCONV UV Perl_sv_read_offset(pTHX_ const SV *const sv)
+ __attribute__nonnull__(pTHX_1);
+
PERL_CALLCONV char* Perl_sv_recode_to_utf8(pTHX_ SV* sv, SV *encoding)
__attribute__nonnull__(pTHX_1)
__attribute__nonnull__(pTHX_2);