【单选题】
结构声明 struct S1{int x; char y; int z;};,考虑数据对齐要求,则整个结构的大小为()字节。
A、8
B、9
C、12
D、14
A、8
B、9
C、12
D、14
A、struct BOOK *x=malloc(book); B、struct BOOK x={"C++ Programming",27.0}; C、struct BOOK *x=malloc(sizeof(struct BOOK)); D、struct BOOK *x=&book;
A、struct BOOK x= &book; B、struct BOOK *x=&book; C、struct BOOK x=calloc(BOOK); D、struct BOOK *x=BOOK;