C代码：挽救磁盘数据
#include <dos.h> int main ()
{
int i,j,n;
char dh,ch;
clrscr();
/*选择驱动*/
printf("The program will recover your fdisk\n\n");
do
{
printf ("Plese select the drive(A/B):\n");
scanf("%c",&ch);
}while(ch!= 'a'&& ch !='b'&&ch !='A'&&ch !='B');
/*选择软盘类型*/
printf("\nPlese select the fdisk type:\n\n");
printf("-- a : 360KBfdisk --\n");
printf("-- b : 720KBfdisk --\n");
printf("-- c : 1.2MBfdisk --\n");
printf("-- d : 1.44MBfdisk --\n");
while(1)
{
scanf("%c",&dh);
/*输入正确推出循环*/
if(dh=='a'||dh=='b'||dh=='c'||dh=='d')
break;
}
/*按选定的软盘类型进行处理*/
switch(dh)
{
/*处理360KB软盘*/
case 'a':
n=3;
break;
/*处理720KB软盘*/
case 'b':
n=4;
break;
/*处理1.2MB软盘*/
case 'c':
n=8;
break;
/*处理1.44MB软盘*/
case 'd':
n=10;
break;
}
for (i=1;i<n;i++)
{
j=i+n-1;
absread(ch,1,j,0);
abswrite(ch,1,i,0);
}
printf ("Recover your fdisk successfully!\n");
getch();
return 0;
}
