//創建新類型
typedef struct {
    
    int age;
    char name[20];//最大字節為 20
}Student;

    Student value2 = {1,*strcpy(value2.name, "證書")};
    /*
     把字符串拷貝到 char 裡面去
     strcpy(value2.name, "證書");
    */
    // char 轉 NSString
    NSString *str = [NSString stringWithUTF8String:value2.name];
    NSLog(@"%d---%@",value2.age,str);