import <Foundation/Foundation.h>


struct Student{
    char name[20];
    int age;
    char sex[5];
    int num;
    int score;
};

void quru(struct Student *a)
{
printf("请输入姓名：");
    scanf("%s",a->name);
    printf("刚刚输入的姓名是:%s\n",a->name);

   
    printf("请输入性别：");
    scanf("%d",a->age);
    printf("刚刚输入的姓名是:%d\n",a->age);
   
   
    printf("请输入性别：");
    scanf("%s",a->sex);
    printf("刚刚输入的姓名是:%s\n",a->sex);

   


}



int main(int argc, const char * argv[])
{
    struct Student abc;
    quru(&abc);
   
    return 0;
}


年龄那怎么修改？谢谢各位，我是菜鸟

a前面加个&取地址就行了