#endif
PERL_CALLCONV bool Perl_ckwarn(pTHX_ U32 w);
PERL_CALLCONV bool Perl_ckwarn_d(pTHX_ U32 w);
+PERL_CALLCONV STRLEN * Perl_new_warnings_bitfield(STRLEN *buffer, const char *const bits, STRLEN size)
+ __attribute__malloc__
+ __attribute__warn_unused_result__
+ __attribute__nonnull__(2);
+
PERL_CALLCONV void Perl_offer_nice_chunk(pTHX_ void *chunk, U32 chunk_size)
__attribute__nonnull__(pTHX_1);