کتابخانه

سلام
یکی از دوستام برنامه یه کتابخونرو می خواد با استفتده از C
ممنون می شم کمک کنین

سلام.
برنامه کتابخانه به زبان c++:

کد:

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#include<iostream.h>
#include<conio.h>
#include<stdio.h>
#include<string.h>
//===========================
//===========================
class book
{
friendclass library;
private:
char book_name[11];
char explain[51];
char aouther[11];
char part;
char user[11]; //user[11][5];
int reserved;
book *next;
public:
book();
void edit();
void reserv();
void getback();
}
//---------------------------
book::book()
{
clrscr();
cout<<"============ add a new book =================="
<<"\n\nto insert new book ,enter flow informations:"
<<"\n\nbook name?";
gets(book_name);
book_name[10]=NULL;
cout<<"\naouther name?";
gets(aouther);
aouther[10]=NULL;
cout<<"\nany explain?";
gets(explain);
explain[50]=NULL;
part=book_name[0];
reserved=0;
next=NULL;
cout<<"\n\ninformathions set!";
getch();
}
//---------------------------
void book::edit()
{
clrscr();
char ch;
cout<<"============= reset information ===================";
cout<<"\n\nto chang this book infprmations ,enter flow informations:";
cout<<"do you want to change book name?(yes:'y')"
<<"\n{book name:";puts(book_name);cout<<"}\n";
ch=getch();
if(ch=='y')
{
cout<<"\n\nbook name?";
gets(book_name);
book_name[11]=NULL;
}

cout<<"do you want torename aouther name?(yes:'y')"
<<"\naouther name:";puts(aouther);cout<<"\n";
ch=getch();
if(ch=='y')
{
cout<<"\naouther name?";
gets(aouther);
aouther[11]=NULL;
}

cout<<"do you want to change explains?";
ch=getch();
if(ch=='y')
{
cout<<"\nany explain?";
gets(explain);
explain[51]=NULL;
}
part=book_name[0];
reserved=0;
cout<<"informathins reseted!";
getch();
}
//---------------------------
void book::reserv()
{
clrscr();
cout<<"\n=========== reserving book ===================";
if(reserved==0)
{
cout<<"\n\nuser name?";
gets(user);
user[11]=NULL;
reserved=1;
}
if(reserved==0)
{
cout<<"\n\nsorry! book has been reserved befor"
<<"by user:";
puts(user);
}
getch();
}
//---------------------------
void book::getback()
{
reserved=0;
cout<<"\n\nbook got bak.";
getch();
}
//===========================
//===========================
class library
{
public:
library();
void run_menu();
private:
book *parts[24];
void insert(book*);
void find();
void search();
}
//---------------------------
library::library()
{
for(int i=0;i<=23;i++)
parts[i]=NULL;
}
//---------------------------
void library::run_menu()
{
char ch='n';
while(ch!='4')
{
clrscr();
cout<<"================= LIBRARY =================="
<<"\n\n1:add a new book."
<<"\n2:find a book."
<<"\n3:search a book."
<<"\n4:exit."
<<"press numbers:";

ch=getch();

if(ch=='1')
{
book *n=new book;
insert(n);
}
if(ch=='2')
{
find();
}
if(ch=='3')
{
search();
}
}//while
}
//---------------------------
void library::insert(book *s)
{
int d=s->part-97;
if(parts[d]==NULL)
{
parts[d]=s;
}
else
{
book *p=parts[d],*q;
while(p!=NULL && strcmp(p->book_name,s->book_name)<0)
{
q=p;
p=p->next;
}
q->next=s;
s->next=p;
}
}
//---------------------------
void library::find()
{
clrscr();
cout<<"=========== edit / delete books ============"
<<"\nenter exact book name:";
char name[11];
gets(name);
name[11]=NULL;
int d=name[0]-97;
book *p=parts[d],*q;
while(p!=NULL && strcmp(p->book_name,name)!=0)
{
q=p;
p=p->next;
}
if(p==NULL)
{
cout<<"not found!";
}
if(p!=NULL)
{
cout<<"\n\ndelete it?('d') or edit?('e')"
<<" or reserv?('r') or getback?('g') :";
char ch=getch();
if(ch=='d')
{
q->next=p->next;
delete p;
}
if(ch=='e')
{
p->edit();
}
if(ch=='r')
{
p->reserv();
}
if(ch=='g')
{
p->getback();
}
}
getch();
}
//---------------------------
void library::search()
{
char ch='6';
while(ch!='4')
{
clrscr();
cout<<"================== SEARCH ===================";
cout<<"\n\n1:search for name."
<<"\n2:search for aouther."
<<"\n3:search for explanations."
<<"\n4:back to main menu.(press numbers)";
ch=getch();
if(ch=='1')
{
cout<<"\n\nenter exact name:";
char name[10];
gets(name);
name[11]=NULL;
int d=name[0]-97;
book *p=parts[d];
while(p!=NULL && strcmp(p->book_name,name)!=0)
{
p=p->next;
}
if(p==NULL)
{
cout<<"\nnot founded!";
}
else
{
cout<<"\n\n";
cout<<"name:";puts(p->book_name);
cout<<"aouther:";puts(p->aouther);
cout<<"explain:";puts(p->explain);
if(p->reserved==1)
{
cout<<"RESERVED by:";
puts(p->user);
}
else
{
cout<<"NOT RESERVES";
}
}//else
getch();
}//1
if(ch=='2')
{
cout<<"\n\nenter exact aouther name:";
char name[11];
gets(name);
name[11]=NULL;
int f=0;
for(int i=0;i<=23;i++)
{
book *p=parts[i];
while(p!=NULL)
{
if(strcmp(p->aouther,name)==0)
{
f++;
cout<<"\n"<<f<<":";
cout<<"name:";puts(p->book_name);
cout<<"aouthor:";puts(p->aouther);
cout<<"explain:";puts(p->explain);
if(p->reserved==1)
{
cout<<"RESERVED BY";
puts(p->user);
}
else
{
cout<<"NOT RESERVED";
}
}
p=p->next;
}//while
}
getch();
}//2
if(ch=='3')
{
cout<<"\n\nenter key(15char):";
char name[16];
gets(name);
name[15]=NULL;
int f=0;
for(int i=0;i<=23;i++)
{
book *p=parts[i];
while(p!=NULL)
{
char *tokenptr;
tokenptr=strtok(p->explain," ");
while(tokenptr!=NULL)
{
if(strcmp(tokenptr,name)==0)
{
f++;
cout<<"\n"<<f<<":";
cout<<"name:";puts(p->book_name);
cout<<"aouthor:";puts(p->aouther);
cout<<"explain:";puts(p->explain);
if(p->reserved==1)
{
cout<<"RESERVED BY";
puts(p->user);
}
else
{
cout<<"NOT RESERVED";
}
}
tokenptr=strtok(NULL," ");
}
p=p->next;
}//while
}//for i
getch();
}//3
}
}
//===========================
//===========================
int main()
{
clrscr();
library l1;
l1.run_menu();
return(0);
}


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