STATIC STRLEN S_is_utf8_char_slow(pTHX_ const U8 *s, const STRLEN len)
__attribute__nonnull__(pTHX_1);
+STATIC bool S_is_utf8_common(pTHX_ const U8 *const p, SV **swash, const char * const swashname)
+ __attribute__warn_unused_result__
+ __attribute__nonnull__(pTHX_1)
+ __attribute__nonnull__(pTHX_2)
+ __attribute__nonnull__(pTHX_3);
+
#endif
START_EXTERN_C