fosbloksz

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct szulev{
    int ev1,ev2,ev3;
};
void main(){
    FILE *ft, *fb;
    struct szulev x;
    int cnt, max;
    fb=fopen("bintar.txt","wb");
    do{
        printf("1. szuletesi ev: ");scanf("%d",&x.ev1);
        if(x.ev1 != 0){
            printf("2. szuletesi ev: ");scanf("%d",&x.ev2);
            printf("3. szuletesi ev: ");scanf("%d",&x.ev3);
            printf("\n");
            fwrite(&x,sizeof(x),1,fb);
        }
    }while(x.ev1 != 0);
    fclose(fb);
    printf("\nBinaris adattar   Szoveges adattar\n");
    printf("------------------------------------\n");
    fb=fopen("bintar.txt","rb");
    ft=fopen("txttar.txt","wt");
    while(cnt=fread(&x,sizeof(x),1,fb)==1){
        if(x.ev1<x.ev2 && x.ev1<x.ev3) max=x.ev1;
        if(x.ev2<x.ev1 && x.ev2<x.ev3) max=x.ev2;
        if(x.ev3<x.ev1 && x.ev3<x.ev2) max=x.ev3;
        fprintf(ft,"%d'n",max);
        printf(" %d %d %d       %d\n",x.ev1,x.ev2,x.ev3,max);
    }
    fclose(fb);
    fclose(ft);
    getch();
}