【单选题】
typedef struct{<br /> int num;<br /> char *name; }<br /> *vec_ptr;<br /> 则在IA32机器上,sizeof(vec_ptr) =()
A、4
B、8
C、12
D、16
A、4
B、8
C、12
D、16
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;