PERL_CALLCONV I32 Perl_unpack_str(pTHX_ char *pat, char *patend, char *s, char *strbeg, char *strend, char **new_s, I32 ocnt, U32 flags);
PERL_CALLCONV void Perl_unsharepvn(pTHX_ const char* sv, I32 len, U32 hash);
PERL_CALLCONV void Perl_unshare_hek(pTHX_ HEK* hek);
-PERL_CALLCONV void Perl_utilize(pTHX_ int aver, I32 floor, OP* version, OP* id, OP* arg);
+PERL_CALLCONV void Perl_utilize(pTHX_ int aver, I32 floor, OP* version, OP* idop, OP* arg);
PERL_CALLCONV U8* Perl_utf16_to_utf8(pTHX_ U8* p, U8 *d, I32 bytelen, I32 *newlen);
PERL_CALLCONV U8* Perl_utf16_to_utf8_reversed(pTHX_ U8* p, U8 *d, I32 bytelen, I32 *newlen);
PERL_CALLCONV STRLEN Perl_utf8_length(pTHX_ U8* s, U8 *e);