int choice;
choice = -1; do {
printf(\请选择您要修改的学生的信息内容：\\n\
printf(\
printf(\姓名 ____请按 1 *\\n\
printf(\年龄 ____请按 2 *\\n\
printf(\性别 ____请按 3 *\\n\
printf(\出生年月 ____请按 4 *\\n\
printf(\地址 ____请按 5 *\\n\
printf(\成绩 ____请按 6 *\\n\
printf(\请按 7 *\\n\
printf(\取消 ____请按 0 *\\n\
printf(\
printf(\请输入您的选择：\
scanf(\
switch(choice) {
case 0:
system(\
mainmenu();
case 1:
printf(\请输入新姓名：\
scanf(\
system(\
system(\
break;
case 2:
printf(\请输入新年龄：\
scanf(\
system(\
system(\
break;
case 3:
printf(\请输入新性别：\
scanf(\
system(\
system(\
break;
case 4:
printf(\请输入新出生年月：\
scanf(\
system(\
system(\
break;
case 5:
printf(\请输入新地址：\
scanf(\
system(\
system(\
break;
case 6:
printf(\请输入新成绩：\
scanf(\
system(\
system(\
break;
case 7:
printf(\请输入新E-mail：\
scanf(\
system(\
system(\
break;
default:
printf(\无效选项!\
break; }
}while(choice != 0); }
tuichuxitong() {
system(\ system(\
printf(\【学生信息管理系统】-------\\n\printf(\printf(\
printf(\制作人: 第一小组 \\n\
printf(\;
printf(\●☆☆Bye-Bye☆☆●\\n\printf(\
printf(\★★★★★★★★★★★★★★ ★★★★★★★★★★★★★★\\n\printf(\
printf(\
printf(\☆☆☆☆☆☆☆☆☆☆☆\\n\printf(\
printf(\★★★★★★★★★★★\\n\printf(\★\\n\
printf(\中 ★ 电 \\n\printf(\★ 气 \\n\printf(\南 ★ 信 \\n\printf(\★ 息 \\n\printf(\大 ★ 0 \\n\printf(\★ 9 \\n\printf(\学 ★ 0 \\n\printf(\★ 6 \\n\
printf(\★\\n\\n\\n\\n\printf(\◆谢谢使用◆\\n\}