infor2db0ah,0dh,'inputscore:$'nequ8姓名长度mequ4成绩长度(3位+回车符)pequ3输入的人数qequ3成绩的位数buff1dbn,?,ndup(0),'$'姓名缓冲区,加$符以便输出时用buff2dbm,?,mdup(0),'$