長路漫漫,唯劍作伴 基礎

2022-09-04 09:57:09 字數 2177 閱讀 3302

struct

stu

struct stu stu1, stu2;

struct

stu stu1, stu2;

struct stu1, stu2;

#include int

main() stu1;

//給結構體成員賦值

stu1.name = "

tom"

; stu1.num = 12

; stu1.age = 18

; stu1.group = 'a'

; stu1.score = 136.5

;

//讀取結構體成員的值

printf("

%s的學號是%d,年齡是%d,在%c組,今年的成績是%.1f!\n

", stu1.name, stu1.num, stu1.age, stu1.group, stu1.score);

return0;

}

struct

stu1, stu2 = ;

struct

stuclass[5];

struct

stuclass[5] =,,,

,};

struct

stuclass =,,,

,};

struct

stu stu1 = ;

//結構體指標

struct stu *pstu = &stu1;

struct

stu stu1 = , *pstu = &stu1;

#include int

main() stu1 = , *pstu = &stu1;

//讀取結構體成員的值

printf("

%s的學號是%d,年齡是%d,在%c組,今年的成績是%.1f!\n

", (*pstu).name, (*pstu).num, (*pstu).age, (*pstu).group, (*pstu).score);

printf(

"%s的學號是%d,年齡是%d,在%c組,今年的成績是%.1f!\n

", pstu->name, pstu->num, pstu->age, pstu->group, pstu->score);

return0;

}

enum week;

enum week a = mon, b = wed, c = sat;

//

定義乙個結構體,型別為struct student

2struct

student 3;

89//定義了乙個結構體,型別為struct student;且定義了乙個結構體例項,名叫stu

10struct

student

11stu;

1617

//定義了無名的結構體,且定義了乙個結構體例項,名叫stu

18struct

19stu;

2425

//重定義結構體,型別為struct student 或者是stu

26 typedef struct

student

27stu;

3233

//重定義結構體,型別為stu

ns_enum,定義狀態等普通列舉

typedef ns_enum(nsuinteger, ttgstate) ;

//ns_options,定義選項

typedef ns_options(nsuinteger, ttgdirection) ;

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