Programalama > C++

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

const int max=100;
struct
{
  char isim[11];
  char tel[15];
} kisi[max];

void ekle();
void ara();
void listele();

main()
{
  char kr;
  cout<<" Telefon Rehberi"<<endl;
  cout<<"MENU"<<endl;
  cout<<"a)isim ekle"<<endl;
  cout<<"b)isim ara"<<endl;
  cout<<"c)tüm liste"<<endl;
  cout<<"d)kapat"<<endl;
  kr=getch();
  switch(kr)
  {
    case 'a':
    clrscr();
    ekle();
    break;
    case 'b':
    clrscr();
    ara();
    break;
    case 'c':
    clrscr();
    listele();
    break;
    case 'd':
    clrscr();
    return EXIT_SUCCESS;
    default :
    clrscr();
    main();
  }
  return EXIT_FAILURE;
}

void ekle()
{
  FILE *di;
  int i=0;
  char dene[26];
  di=fopen("c:telReh.txt","a+");
  fseek(di,0,0);
  for(i=0;i<max;i++)
  {
    if(fread(dene,1,26,di)==NULL)
    {
      cout<<"isim: ";
      cin>>kisi[i].isim;
      fwrite(kisi[i].isim,1,11,di);
      cout<<"tel. no: ";
      cin>>kisi[i].tel;
      fwrite(kisi[i].tel,1,15,di);
      cout<<"İşlem tamam";
      break;
    }
    if(i==max-1)
    cout<<"Hafıza dolu!";
  }
  getch();
  fclose(di);
  clrscr();
  main();
}

void ara()
{
  FILE *di;
  char gecici[11];
  int i=0,n;
  di=fopen("c:telReh.txt","a+");
  fseek(di,0,0);
  cout<<"isim:";
  gets(gecici);
  n=strlen(gecici);
  clrscr();
  for(i=0;i<max;i++)
  {
    fread(&kisi[i],1,26,di);
    if(strncmp(kisi[i].isim,gecici,n)==0)
    {
      cout<<kisi[i].isim<<" : " ;
      cout<<kisi[i].tel;
      getch();
      clrscr();
      break;
    }
    if(i==max-1)
    {
      cout<<"Kayıt bulunamadı";
      getch();
      clrscr();
    }
  }
  fclose(di);
  main();
}

void listele()
{
  FILE *di;
  int i=0;
  di=fopen("c:telReh.txt","r");
  clrscr();
  cout<<"***** Tum Liste ****"<<endl<<endl;
  for(i=0;i<max;i++)
  {
    if(fread(&kisi[i],1,26,di))
    cout<<i+1<<")"<<kisi[i].isim<<" : "<<kisi[i].tel<<endl<<endl;
    if(kisi[i].isim[0]==NULL)
    {
      getch();
      break;
    }
    if(i%10==0 && i!=0)
    {
      getch();
      clrscr();
      cout<<"Devam...."<<endl<<endl;
    }
  }
  clrscr();
  fclose(di);
  main();
}