-s |I32 |sv_ncmp |NN SV *a|NN SV *b
-s |I32 |sv_i_ncmp |NN SV *a|NN SV *b
-s |I32 |amagic_ncmp |NN SV *a|NN SV *b
-s |I32 |amagic_i_ncmp |NN SV *a|NN SV *b
-s |I32 |amagic_cmp |NN SV *str1|NN SV *str2
-s |I32 |amagic_cmp_locale|NN SV *str1|NN SV *str2
-s |I32 |sortcv |NN SV *a|NN SV *b
-s |I32 |sortcv_xsub |NN SV *a|NN SV *b
-s |I32 |sortcv_stacked |NN SV *a|NN SV *b
+s |I32 |sv_ncmp |NN SV *const a|NN SV *const b
+s |I32 |sv_i_ncmp |NN SV *const a|NN SV *const b
+s |I32 |amagic_ncmp |NN SV *const a|NN SV *const b
+s |I32 |amagic_i_ncmp |NN SV *const a|NN SV *const b
+s |I32 |amagic_cmp |NN SV *const str1|NN SV *const str2
+s |I32 |amagic_cmp_locale|NN SV *const str1|NN SV *const str2
+s |I32 |sortcv |NN SV *const a|NN SV *const b
+s |I32 |sortcv_xsub |NN SV *const a|NN SV *const b
+s |I32 |sortcv_stacked |NN SV *const a|NN SV *const b