Ввод струтуры в файл

#include<stdio.h>
#include<conio.h>
#define FNAME "file.txt\0"
struct student {
char name[20];
char fam[20];
char pol;
int age;
}
student[4];
void main()
{
int i;
int kol = 0;
int name[20];
FILE *f;
clrscr();
    if ((f = fopen(FNAME, "wt")) == NULL)
    {
    printf("Oshibka otkritiya faila");
    getch();
    return;
    }
    for (i=0;i<4;i++)
    {
    printf("Vvedite name studenta -> ");
    scanf("%s",student[i].name);
    fprintf(f,"%s\n",student[i].name);
 
    printf("Vvedite familiyu studenta -> ");
    scanf("%s",student[i].fam);
    fprintf(f,"%s\n",student[i].fam);
 
    printf("Vvedite pol studenta -> ");
    scanf("%c",&student[i].pol);
    fprintf(f,"%c\n",student[i].pol);
 
    printf("Vvedite vozrast studenta -> ");
    scanf("%i",&student[i].age);
    fprintf(f,"%i\n",student[i].age);
    }
fclose(f);
 
    if ((f = fopen(FNAME, "rt")) == NULL)
    {
    printf("\nError");
    getch();
    return;
    }
printf("\nSpisok studentov komu bolshe 19 let:");
    for (i=0;i<4;i++)
    {
    fscanf(f,"%s",student[i].name);
    fscanf(f,"%s",student[i].fam);
    fscanf(f,"%c",&student[i].pol);
    fscanf(f,"%i",&student[i].age);
    if (student[i].age > 19)
    printf("\nImya: %s              vozrast: %i let",student[i].name,student[i].age);
 
    }
printf("\nVvedite imya devushki -> ");
scanf("%s",name);
    for (i=0;i<4;i++)
    {
    fscanf(f,"%s",student[i].name);
    if (strcmp(student[i].name,name) == 0)
    kol++;
    }
fclose(f);
printf("\nKolichestvo devushek s imenem %s = %i",name,kol);
getch();
}