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

int main(void)
{
  FILE *fp;
  double d = 0.00;
  int i = 3722304989;
  long l = 3722304989L;
  const char dum[12]  ="Krokozjabra" ; 
  char bam[12];

  if((fp=fopen("test", "wb+"))==NULL) {
    printf("Ошибка при открытии файла.\n");
    exit(1);
  }

  fwrite(&d, sizeof(double), 1, fp);
  fwrite(&i, sizeof(int), 1, fp);
  fwrite(&l, sizeof(long), 1, fp);
  fwrite(&dum, sizeof(char), 12, fp);

  rewind(fp);

  fread(&d, sizeof(double), 1, fp);
  fread(&i, sizeof(int), 1, fp);
  fread(&l, sizeof(long), 1, fp);
  fread(&bam, sizeof(char), 12, fp);

  printf("%f %d %ld %s", d, i, l, bam);

  fclose(fp);

  _getch();


  return 0;
}