#define hv_undef(a) Perl_hv_undef(aTHX_ a)
#define ibcmp(a,b,c) Perl_ibcmp(aTHX_ a,b,c)
#define ibcmp_locale(a,b,c) Perl_ibcmp_locale(aTHX_ a,b,c)
-#define ibcmp_utf8(a,b,c,d,e) Perl_ibcmp_utf8(aTHX_ a,b,c,d,e)
+#define ibcmp_utf8(a,b,c,d,e,f) Perl_ibcmp_utf8(aTHX_ a,b,c,d,e,f)
#define ingroup(a,b) Perl_ingroup(aTHX_ a,b)
#define init_argv_symbols(a,b) Perl_init_argv_symbols(aTHX_ a,b)
#define init_debugger() Perl_init_debugger(aTHX)