Rák

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

char nev[15];
float atlag;
int neme,osztaly;

void beolvasas();
void atiras();

void main()
{
    beolvasas();
    atiras();
}
void beolvasas(){
    FILE *f;
    f=fopen("d:\\diakok.txt","wt");
    do{
        printf("Nev: "); scanf("%s",nev);
        if(strcmp(nev,"00000")!=0){
            printf("Atlaga: "); scanf("%f",&atlag);
             printf("Neme: "); scanf("%d",&neme);
             printf("Osztaly: "); scanf("%d",&osztaly);
             fprintf(f,"%-15s %4f %4d %4d\n",nev,atlag,neme,osztaly);
             printf("\n");
        }
    }while(strcmp(nev,"00000")!=0);
    fclose(f);
}

void atiras(){
    FILE *f, *ff, *fn;
    if((f=fopen("d:\\diakok.txt","rt"))==NULL){
        printf("\nA 'diakok.txt' adattar nem letezik!"); exit(-1);
    }
    ff=fopen("d:\\ff.txt","wt");
    while(fscanf(f,"%s %f %d %d",nev,&atlag,&neme,&osztaly)>0){
        if(osztaly==3 && neme==1) fprintf(ff,"%-15s %4f %4d %4d\n",nev,atlag,neme,osztaly);
    }
    fclose(f);
    fclose(ff);
}