以下选项中不能正确把 cl 定义成结构体变量的是 ______ 。 1 . typedefstruct {intred; int green; int blue; } COLOR; COLOR cl; 2 . structcolor cl { int red; int green; int blue; }; 3 . structcolor { int red; int green; int blu
A.1
B.2
C.3
D.4
A.1
B.2
C.3
D.4
(A)typedef struct
{ int red;
intgreen;
int blue;
)COLOR;
COLOR cl:
(B)struct color cl
{int red;
intgreen;
int blue;
};
(C)stmct color
{int red;
int green;
int blue;
}cl;
(D)struct
{int red;
int green;
int blue;
}cl;
A、struct CLASS{double a;char b[5];} CLASS s;
B、typedef CLASS{double a;char b[5];} CLASS s;
C、typedef struct CLASS{double a;char b[5];}s;
D、struct{double a;char b[10];}s;
A、struct student { int num; char name[20]; char sex; int score; } student1,student2;
B、struct { int num; char name[20]; char sex; int score; }student1, student2;
C、struct student { int num; /* 学号 */ char name[20]; /* 姓名 */ char sex; /* 性别 */ int score; /* 成绩 */ }; ...... struct student student1, student2;
D、struct student student1, student2; ...... struct student { int num; /* 学号 */ char name[20]; /* 姓名 */ char sex; /* 性别 */ int score; /* 成绩 */ };
A、A)a,2008
B、B)hangzhou,2008
C、C)i,2009
D、D)Tianjin,2009
A、*data.x=100;
B、data->x=100;
C、data.(*x)=100;
D、data.x=100;
则结构体变量s1所占的内存空间为( )
A.15
B. sizeof(int)+ sizeof(char[15]) + sizeof(float)
C. sizeof(s1)
D. max( sizeof(int),sizeof(char[15]) ,sizeof(float))
A、40
B、48
C、32
D、语句错误
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