defdef2.prop

C程序漏洞检查！

void
uno_check(void)
{
	if (select("", USE|USEafterdef, NONE))
	if (match(1, DEF, NONE))
		unmark();

	if (select("", DEF, REF1|REF2|REF0))
	{	// list();
		if (match(1, ANY, NONE))
			error("def after def");
		else
			mark(1);
	}
}