???????????
??????????????????У????????????????б?????????飬????????????????????????壬?????????и???????????????????????????????????????????????????????????????????д洢???
????????C????????????????????????????????????????壬????????????????????????
????????????????
????1.????????????? ????????????
????struct student {
????int age ;
????char *name;
????double height;
????};
????struct student sd;
????2.????????????????????????
????struct student2{
????int age;
????char *name;
????double height;
????}sd2;
????sd2.age = 16;
????sd2.name = “JAMES”;
????sd2.height = 1.9;
????3.?????????????????????????? ??????????????
????struct {
????int age;
????char *name;
????double height??
????}sd3;
????sd3.age = 17;
????sd3.name = “james”;
????sd3.height = 1.88;
?????????????????????????????? ??????????????????
???????: ??????????????????? ????????????y???????
???????: ????????????????????Σ? ??????????÷??
????????????????
????1.????????????
????struct student sd = {18??”james”??1.87};
????2.??????????(?????????)
????struct student sd2;
????sd2 = (struct student){18??”james”??1.98};
????3.???????????(????????)
????struct student sd3;
????sd3.name = “james”;
????sd3.age = 18;
????sd3.height = 1.87;
????4.??????????????????????
????struct student sd4 = {.height = 1.76??.age = 19??.name = “james”};
???????????????
?????????????????????????????3????巽???
??????????
????struct Student {
????char *name;
????int age;
????};
????struct Student stu[5]; //????1
???????????
????struct Student {
????char *name;
????int age;
????} stu[5]; //????2
???????????
????struct {
????char *name;
????int age;
????} stu[5]; //????3
???????????????????
????truct {
????char *name;
????int age;
????} stu[2] = { {“Jmes”?? 21}?? {“JJ”?? 30} };
?????塢???庯??
???????????????????????????д???????????????????????????????????г??????????????????βγ?????????βε??????????Ρ??????????
????// ???????????
????struct Student {
????int age;
????};
????void test(struct Student stu) {
????printf(“???????βΣ?%d ”?? stu.age);
????// ???????е?age
????stu.age = 10;
????printf(“??????βΣ?%d ”?? stu.age);
????}
????int main(int argc?? const char * argv[]) {
????struct Student stu = {30};
????printf(“????????Σ?%d ”?? stu.age);
????// ????test????
????test(stu);
????printf(“???????Σ?%d ”?? stu.age);
????return 0;
????}