Uprajnenie na strukturi

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

struct Ocenka
{
    int nomer;
    float ocenka;
};

int main()
{
    struct Ocenka *masiv;
    int i;
    int count=0;

    masiv=(struct Ocenka*) malloc(sizeof(struct Ocenka)*5);

    for(i=0;i<5;i++)
    {
        printf("Nomer: ");
        scanf(" %d", &(masiv+i)->nomer);
        printf("Ocenka: ");
        scanf(" %f", &(masiv+i)->ocenka);
    }

    printf("Information: ");

    for(i=0;i<5;i++)
    {
        printf("\nNomer: ");
        printf(" %d", (masiv+i)->nomer);
        printf("\nOcenka: ");
        printf(" %0.2f", (masiv+i)->ocenka);
    }

    FILE *text1;
    text1 = fopen("Ocenka.bin", "wb");

    if(text1==NULL)
    {
        printf("Error with opening file for writing! ");
        return -1;
    }

    while (1)
    {

        if(fwrite(&(masiv+count)->nomer,sizeof(int),1,text1)!=1)
        {
            printf("Error1!");
            exit(4);
            break;
        }

        if(fwrite(&(masiv+count)->ocenka,4,1,text1)!=1)
        {
            printf("Error1!");
            exit(4);
            break;
        }

        count++;
        if(count>4)
        {
            break;
        }
    }
    fclose(text1);
    free(masiv);


    FILE *text2;
    text2 = fopen("Ocenka.bin", "rb");

    if(text2==NULL)
    {
        printf("Error! ");
        return -2;
    }

    FILE *tekstovUkazatel;
    tekstovUkazatel = fopen("Richi.txt", "w");

    if(tekstovUkazatel==NULL)
    {
        printf("Error! ");
        return -3;
    }

    int number;
    float mark;

    while (1)
    {


        if(fread(&number,sizeof(int),1,text2)!=1)
        {
            printf("\nSuccessful reading!");
            break;
        }


        fprintf(tekstovUkazatel, "\nNomer: %d", number);

        if(fread(&mark,4,1,text2)!=1)
        {
            printf("\nSuccessful reading!");
            break;
        }

        fprintf(tekstovUkazatel, "\nOcenka: %0.2f", mark);

    }

    fclose(text2);
    fclose(tekstovUkazatel);

    return 0;
}