TYPEMAP
FFI_Raw_t *			FFI_OBJ

OUTPUT
FFI_OBJ
	sv_setref_pv($arg, \"FFI::Raw\", (void *) $var);

INPUT
FFI_OBJ
	if (sv_isobject($arg) && sv_derived_from($arg, \"FFI::Raw\"))
		$var = INT2PTR($type, SvIV((SV *) SvRV($arg)));
	else
		Perl_croak(aTHX_ \"$var is not of type FFI::Raw\");
