这个当然是结构体数组。这样赋值student stu[3]= {101,"Li",{"abc","123","ert","345"}, 102,"Ka",{"hij","234"}, 103,"Xing",{"opq","345"}};
{101,"Li",{"abc","123"},{"ert","345"}}, 这行应该是多了个内容把。
你的错误很多啊你要注意/和\正反还有引号