今日bug：error: invalid array assignment

struct STUD
{
    int ID;//学号
    char name[20];
    float score;
}stud;
STUD SS[10];
student.open("student.dat",ios::in|ios::binary);
    if(!student)
    {
        cout<<"打开文件失败！"<<endl;
        return 0;
    }
    int j=0;
    student.read((char *)&stud,sizeof(stud));
    while(!student.eof()){
        SS[j].name=stud.name;//报错！
        SS[j].ID=stud.ID;
        SS[j].score=stud.score;
        j++;
        student.read((char *)&stud,sizeof(stud));
    }
    student.close();