boş başlık 3

#include <stdio.h>
5. include <stdlib.h>
6. include <math.h>
7. include <conio.h>
8. include <string.h>

typedef struct{
int id;
int tc;
char ad[20];
char soyad[20];
int tel;
char adres[100];
}ogr;

ogr ogrList[20];

int main(void){
int i=0,silinecek;
char key;
printf("Kayit eklemek icin 'e'\nSilmek icin 's'\nGuncellemek icin 'g'\nListelemek icin 'l',cikis icin 'q' 'ya basin.");
scanf("%c",&key);
while(key!='q'){
i=i+1;
switch(key){
case 'e':
printf("ID: ");
scanf("%d",&ogrList[i].id);
printf("\nTC NO: ");
scanf("%d",&ogrList[i].tc);
printf("\nAd Soyad: ");
scanf("%s %s",&ogrList[i].ad,&ogrList[i].soyad);
printf("\nTel No: ");
scanf("%d",&ogrList[i].tel);
printf("\nAdres: ");
scanf("%s",&ogrList[i].adres);
break;


case 's':
printf("Silmek istediginiz ogrencinin id'sini girin: ");
scanf("%d",&silinecek);
for(int j=0;j<i;j++){
if(silinecek==ogrList[j].id){
ogrList[j].id=0;
printf("%s %s adindaki ogrencinin kaydi silindi.",ogrList[j].ad,ogrList[j].soyad);

}
}
break;

case 'g':
printf("Guncellendi.\n");
break;

case 'l':
for(int k=0;k<i;k++){
if(ogrList[k].id!=0){
printf("ID: %d",ogrList[k].id);
printf("\nTc No: %d",ogrList[k].tc);
printf("\nAd Soyad: %s %s",ogrList[k].ad,ogrList[k].soyad);
printf("\nTelefon: %d",ogrList[k].tel);
printf("\nAdres: %s\n\n",ogrList[k].adres);
}
}
break;

default:
printf("Kayit eklemek icin 'e'\nSilmek icin 's'\nGuncellemek icin 'g'\nListelemek icin 'l',cikis icin 'q' 'ya basin.") ;
break;
}
scanf("%c",&key);
}







}