求助高手,用C语言写一个学生成绩管理系统。。。答:if((fp=fopen("学生管理.txt","r+"))==NULL) printf("文件打开失败"); printf("%s\t\t%s\t%s\n","学号","姓名","成绩"); pre=L; while(!feof(fp)) { fscanf(fp,"%s%s%d\n",num,name,&score); printf("%-15s%-10s%-4d\n",num,name,score); s=(List)malloc(sizeof(LNote)); s...