车险网上报价海口:C++里编写时'head' used without having been initialized 是怎么回事请指教

来源：百度文库编辑：中科新闻网时间：2024/04/28 23:23:26

struct goods *input(struct goods *xyx)
{int w;
struct goods *p0,*p1,*p2;
struct goods *head;
p1=head;
E:\ 仓库管理\主函数.cpp(70) : warning C4700: local variable 'head' used without having been initialized

void main()
{ int x;
mode p1("xyx");
screen p2;
struct goods *xyx;
struct goods *head;
E:\ 仓库管理\主函数.cpp(110) : warning C4101: 'head' : unreferenced local variable

就是说你的那个head指针变量还没初始化就给其他的指针赋值，这样的话，编译器就会报warning.你可以在申请head的时候这样写：struct goods *head = new goods;给它一个初值就好了．

warning C4700: local variable 'head' used without having been initialized
这个二楼说的对。

warning C4101: 'head' : unreferenced local variable
是说，你定义了 head 却没有使用它。

头文件没添加

C++里编写时'head' used without having been initialized 是怎么回事请指教 Dreamweaver 里head是什么意思 Quiz: don't use google,just use your head! 英文:head's hurt=headache????????什麼差??????pls 浏览器问题head'与开始标记meta不匹配, Doctor Jeff's lecture was way above my head. The crown was placed on the king's head. The crown wear on the king's head. CAN'T CREATE HEAD MAP1.这是什么意思？ why young man's head can grow white hair?

车险网上报价 海口:C++里编写时'head' used without having been initialized 是怎么回事 请指教

车险网上报价海口:C++里编写时'head' used without having been initialized 是怎么回事请指教