结构体作为函数参数
struct teacher
{
    char *name;
    char score;
};

typedef struct teacher Teacher;

void printTeacher(Teacher * t)
{
    printf("%s\n",t->name);
}
int main(int argc, const char * argv[])
{
    @autoreleasepool
    {
        
        //结构体指针变量
        //->结构体指针专用符号  寻址符
        Teacher * p1=(Teacher *)malloc(sizeof(Teacher));//分配内存空间
        p1->name = "pan";
        p1->score = 100;
        (*p1).name ="zhenze";
        (*p1).score =100;
        
        printTeacher(p1);
        
    }
    return 0;
}