假定有“struct BOOK{char title[40]; float price;}; BOOK *book;”,
1个回答
A. book是一个指针,非类型,语法错;
B. 直接对结构体内部成员初始化;
C.用new创建;
D.指针赋值,尽管book现在没有初值,但是语法上没有问题.
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