Apd |void |sv_inc |NULLOK SV *const sv
Apd |void |sv_insert |NN SV *const bigstr|const STRLEN offset|const STRLEN len \
|NN const char *const little|const STRLEN littlelen
+Apd |void |sv_insert_flags|NN SV *const bigstr|const STRLEN offset|const STRLEN len \
+ |NN const char *const little|const STRLEN littlelen|const U32 flags
Apd |int |sv_isa |NULLOK SV* sv|NN const char *const name
Apd |int |sv_isobject |NULLOK SV* sv
Apd |STRLEN |sv_len |NULLOK SV *const sv