
******
Listing 4


   #include <stdio.h>

   struct s_date
       {
       int day;
       int month;
       char filler;  /* Just to get some packing bytes (perhaps) */
       int year;
       };

   main()
       {
       FILE *file;
       static struct s_date date = {1,2,' ',3};
       static struct s_date date2 = {4,5,' ',6};

       printf("\n Size of the structure is %d", 
           sizeof(struct s_date));

       /* Write two structures out */
       file = fopen("DATA.DAT", "w");
       fwrite(&date, sizeof(struct s_date), 1, file);
       fwrite(&date2, sizeof(struct s_date), 1, file);
       fclose(file);
       
       file = fopen("DATA.DAT","r");
       /* Note reversal of which date is read */
       fread(&date2, sizeof(struct s_date), 1, file);
       fread(&date, sizeof(struct s_date), 1, file);
       fclose(file);
       }
*********

