Apd |void |sv_catpvn_flags|NN SV *const dstr|NN const char *sstr|const STRLEN len \
|const I32 flags
Apd |void |sv_catsv_flags |NN SV *const dsv|NULLOK SV *const ssv|const I32 flags
-Apd |STRLEN |sv_utf8_upgrade_flags|NN SV *const sv|const I32 flags
+Apmd |STRLEN |sv_utf8_upgrade_flags|NN SV *const sv|const I32 flags
+Apd |STRLEN |sv_utf8_upgrade_flags_grow|NN SV *const sv|const I32 flags|STRLEN extra
Apd |char* |sv_pvn_force_flags|NN SV *const sv|NULLOK STRLEN *const lp|const I32 flags
Apd |void |sv_copypv |NN SV *const dsv|NN SV *const ssv
Ap |char* |my_atof2 |NN const char *s|NN NV* value