PERL_CALLCONV void Perl_sortsv(pTHX_ SV** array, size_t num_elts, SVCOMPARE_t cmp)
__attribute__nonnull__(pTHX_1);
+PERL_CALLCONV void Perl_sortsv_flags(pTHX_ SV** array, size_t num_elts, SVCOMPARE_t cmp, U32 flags)
+ __attribute__nonnull__(pTHX_1);
+
PERL_CALLCONV int Perl_mg_clear(pTHX_ SV* sv)
__attribute__nonnull__(pTHX_1);