AnidR |bool |is_utf8_invariant_string_loc|NN const U8* const s \
|STRLEN len \
|NULLOK const U8 ** ep
+#ifndef EBCDIC
+AniR |unsigned int|_variant_byte_number|PERL_UINTMAX_T word
+#endif
#if defined(PERL_CORE) || defined(PERL_EXT)
EinR |Size_t |variant_under_utf8_count|NN const U8* const s \
|NN const U8* const e