#include <stdio.h>
#include <dos.h>
#include <stdlib.h>
#include <bios.h>

int main(void)
 {
	 unsigned char buffer[512];

	 clrscr();
	 printf("Insert disk in the A: drive , then press any key.\n");
	 /*wait for keypress*/
	 getch();
	 if(absread(0,1,1,&buffer) != 0)
		 printf("Cannot read the A drive.\n");
	 else
		 printf("Drive A , Sector 1 read\n");

	 return 0;

 }