Ivo

#include <stdio.h>
#include <stdlib.h>
void Read(FILE *, char);

int main()
{
    FILE *fp = NULL;
    int size = 0;
    int id = 0;
    int i;
    char fname[50];
    char name[50];
    char spec[50];
    double price = 0;
    printf("File name: ");
    //fgets(fname, 49, stdin);
    scanf("%s", &fname);
    fp = fopen(fname, "wb");
    if (fp == NULL)
    {
        printf("Error1\n");
        return 0;
    }
    else
    {
        for (i = 0; i < 2; i++)
        {
            printf("ID: ");
            fflush(stdin);
            scanf("%d", &id);
            if (fwrite(&id, sizeof(int), 1, fp) != 1)
            {
                printf("%d", id);
                //return 0;
            }
            printf("Name: ");
            fflush(stdin);
            scanf("%s", &name);
            size = sizeof(name);
            if (fwrite(&size, sizeof(int), 1, fp) != 1)
            {
                printf("Error2\n");
                return 0;
            }
            if (fwrite(name, 1, strlen(name), fp) != strlen(name))
            {
                printf("Error3\n");
                return 0;
            }
            printf("Spec: ");
            fflush(stdin);
            scanf("%s", &spec);
            size = sizeof(spec);
            if (fwrite(&size, sizeof(int), 1, fp) != 1)
            {
                printf("Error3\n");
                return 0;
            }
            if (fwrite(spec, 1, strlen(spec), fp) != strlen(spec))
            {
                printf("Error4\n");
                return 0;
            }
            printf("Price: ");
            fflush(stdin);
            scanf("%1f", &price);
            if (fwrite(&price, sizeof(double), 1, fp) != 1)
            {
                printf("Error5\n");
                return 0;
            }
        }
        fclose(fp);
    }
    Read(fp, fname);
}

void Read(FILE *fp, char fname[50])
{
    int i;
    int id = 0;
    int size = 0;
    char name[50];
    char spec[50];
    double price = 0;
    fp = fopen(fname, "rb");
    if (fp == NULL)
    {
        printf("error\n");
        return 0;
    }
    else
    {
        for (i = 0; i < 2; i++)
        {
            if (fread(&id, sizeof(int), 1, fp) != 1)
            {
                printf("error\n", id);
                return 0;
            }
            printf("ID: %d\n", id);
            if (fread(&size, sizeof(int), 1, fp) != 1)
            {
                printf("Error2\n");
                return 0;
            }

            if (fread(name, 1, size, fp) != size)
            {

                return 0;
            }
            printf("Size = %d\n", size);
            printf("Name: %s\n", name);
            if (fread(&size, sizeof(int), 1, fp) != 1)
            {
                printf("Error33\n");
                return 0;
            }
            if (fwrite(spec, 1, size, fp) != size)
            {
                printf("Error4\n");
                return 0;
            }
            printf("Spec: %s\n", spec);
            if (fread(&price, sizeof(double), 1, fp) != 1)
            {
                printf("Error5\n");
                return 0;
            }
            printf("Price = %g\n", price);
        }
        fclose(fp);
    }
}