Beadandó - file olvasás

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h> // for open()
#include <errno.h> // for perror()
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h> //for strcpy()
#include <unistd.h> //for file write()

struct Kivansag {
  double date;
  char name[100];
  char city[100];
  char address[100];
  char gift[100];
};

int main(){ //18

  //const char *array[] = {"almafa\n", "kortefa\n", NULL};
  int list_size = 0;
  FILE *list = fopen("kivansagok", "wb");

    struct Kivansag kivansag = {1000,"TestName", "TestCity", "TestAddress", "TestGift"};
    struct Kivansag kivansag2 = {2000,"TestName", "TestCity", "TestAddress", "TestGift"};
    ++list_size;
    ++list_size;
    struct Kivansag asd[2]= {kivansag, kivansag2};
    fwrite(&list_size, sizeof(list_size),1,list);
    fwrite(&asd, sizeof(asd),1,list);

    printf("%lu \n", sizeof(list));

  fclose(list);

  struct Kivansag test;
  struct Kivansag dsa[22];
  list_size = 0;
  list = fopen("kivansagok", "rb");
    fread(&list_size, sizeof(list_size), 1, list);
    fread(&dsa, sizeof(dsa), 1, list);
  fclose(list);
    printf("size: %d \n", list_size);
    printf("teszt: %f %s %s %s %s \n ",
      dsa[0].date,
      dsa[0].name,
      dsa[0].city,
      dsa[0].address,
      dsa[0].gift);


  return 0;
}