找到了……
cosdos说的对。在C++03 8.5.0.6里面有具体描述:
6 Every object of static storage duration shall be zero-initialized at program startup before any other initialization
takes place. [Note: in some cases, additional initialization is done later. ]
今天又学到了。开始觉得C++博大精深了……要买本讲到方方面面的好书了……cosdos推荐一个?