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

int main(int argc, char *argv[]) { 

   FILE *p; 

   double d;
   int i;
   long l;

   if ((p = fopen("teste.txt", "rb")) == NULL) {
      printf ("arquivo nao pode ser aberto\n");
      exit(1);
   }

   fread(&d, sizeof(double), 1, p);
   fread (&i, sizeof(int), 1, p);
   fread (&l, sizeof(long), 1, p);

   printf("%f %d %ld", d, i, l);
   fclose(p);
   return 0; 
}