c语言实现通讯录功能： 1、 数据入录――按顺序入录学生成绩 2、 插入记录――在一个特定序号处插入一条记录 3、 删除记录――删除特定记录 4、 修改记录――修改特定记录 -c language realize Address Book features: 1, data entry was recorded- in order to student achievement were recorded 2, insert the record- in a specific serial num