#define XSINTERFACE_FUNC_SET(cv,f) \
CvXSUBANY(cv).any_dxptr = (void (*) (pTHX_ void*))(f)
-#define dUNDERBAR I32 padoff_du = Perl_find_rundefsvoffset()
+#define dUNDERBAR I32 padoff_du = find_rundefsvoffset()
#define UNDERBAR ((padoff_du == NOT_IN_PAD \
|| PAD_COMPNAME_FLAGS(padoff_du) & SVpad_OUR) \
? DEFSV : PAD_SVl(padoff_du))