Code Snippets

#include<dos.h>
#include<stat.h>
#include<conio.h>
#include<stdio.h>
#include<fcntl.h>
#include<io.h>
void main()
{
	int in,bytes,i,n;
	char buf[512];
	clrscr();
	in=open("sect.dat",O_CREAT|O_BINARY|O_WRONLY);
	gotoxy(25,2);
	printf("Sector reader\n");
 
	for(i=1;i<=2847-1;i++)
	{
		absread(0,1,i,&buf);
 
		write(in,buf,512);
		gotoxy(15,5);
		printf("%d sectors readed",i);
	}
	close(in);
	gotoxy(15,7);
	printf("\nEnter target disk");
	wait;
	in=open("sect.dat",O_BINARY|O_RDONLY);
 
	for(i=1;i<=1439;i++)
	{
	  read(in,buf,512);
	  n=abswrite(0,1,i,&buf);
		if(n!=0)
		{
		   gotoxy(15,10);
		   printf("%3d th sector  skipped");
		}
 
	  gotoxy(15,12);
	  printf("sectors written = %3d",i);
	}
	close(in);
 
}