model 1

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


void verif(FILE *f, char *nume) {
    if (!f) {
        printf("Fisierul %s nu s-a deschis!", nume);
    }
}

typedef struct {
    int nr;
    char nume[30];
    int grupa;
    char pp[3];
    int pt[20];
    char pe[3];
}Student;
//"%3d %-30s %18d %10s %10s %9s"

void BinInText(char *numeBin, char *numeTxt, Student s) {
    FILE *f, *g;
    int i;

    f = fopen(numeBin, "rb"); verif(f, numeBin);
    g = fopen(numeTxt, "w"); verif(g, numeTxt);

    fprintf(g, "Nr. Nume %30s Grupa Pct proba Pct teme %10s Pct examen\n", " ", " ");
    fread(&s, sizeof(Student), 1, f);
    while(!feof(f)) {
        fprintf(g, "%3d %6s %30d %10s", s.nr, s.nume, s.grupa, s.pp);
        for(i = 0; i < 10; i++)
            fprintf(g, " %d ", s.pt[i]);
        fprintf(g, "%s\n", s.pe);
        fread(&s, sizeof(Student), 1, f);
    }
    fclose(g);
    fclose(f);
}

void main() {
    FILE *f;
    Student s;
    char s1[20], s2[20];
    int i;

    printf("Fisier: "); gets(s1);
    f = fopen(s1, "wb"); verif(f, s1);
    printf("Fisier text: "); gets(s2);

    printf("Nr. mat: "); scanf("%d", &s.nr);

    while (!feof(stdin)) {
        fflush(stdin);
        printf("Nume: "); fgets(s.nume, sizeof(s.nume), stdin);
        size_t length = strlen(s.nume);
        if(s.nume[length-1] == '\n') s.nume[length-1] = '\0';
        fflush(stdin);
        printf("Grupa: "); scanf("%d", &s.grupa);
        fflush(stdin);
        printf("Pct proba: "); fgets(s.pp, sizeof(s.pp), stdin);
        length = strlen(s.pp);
        if(s.pp[length-1] == '\n') s.pp[length-1] = '\0';
        fflush(stdin);
        printf("Pct teme\n");
        for(i = 0; i < 10; i++) {
            printf("Tema %d: ", i+1);
            scanf("%d", &s.pt[i]);
        }
        fflush(stdin);
        printf("Pct examen: "); fgets(s.pe, sizeof(s.pe), stdin);
        fwrite(&s, sizeof(Student), 1, f);
        fflush(stdin);
        printf("Nr. mat: "); scanf("%d", &s.nr);
    }
    fclose(f);

    BinInText(s1, s2, s);

}