#include <stdio.h>
#include <string.h>

main()
{int fd,n;
 FILE *fp;
 fp=fopen("DATA.discover","r");
 fscanf(fp,"%i",&n);
 printf("fscanf(ed) %d\n",n);
 close(fp);
 fp=fopen("DATA.discover","r");
 fread(&n,sizeof(int),1,fp);
 printf("fread(ed) %d\n",n);
 close(fp);
 fp=fopen("DATA.discover","r");
 fd=fileno(fp);
 read(fd,&n,sizeof(int));
 printf("read(ed) %d\n",n);
 close(fp);
}