};
                                                                                                                /////////sets data in class 'addr' if no data is entered////////////
                                                                                                                void addr::addrnull()


                                                                                                                    {
                                                                                                                    	strcpy(hno,"NA");
                                                                                                                    	strcpy(col,"NA");
                                                                                                                    	strcpy(city,"NA");
                                                                                                                    	strcpy(state,"NA");
                                                                                                                    	strcpy(country,"NA");
                                                                                                                    	strcpy(history,"NA");
                                                                                                                    	zip=0;
                                                                                                                };
                                                                                                                //////////view data in class 'addr'///////////
                                                                                                                void addr::view()


                                                                                                                    {
                                                                                                                    	clrscr();
                                                                                                                    	cout<<"\n\n\n\t\t\tADDRESS\n";
                                                                                                                    	cout<<"\t\t\tRecord No. "<<n;
                                                                                                                    	cout<<"\n\t\t\t";
                                                                                                                    	puts(hno);
                                                                                                                    	cout<<"\t\t\t";
                                                                                                                    	puts(col);
                                                                                                                    	cout<<"\t\t\t";
                                                                                                                    	puts(city);
                                                                                                                    	cout<<"\t\t\t";
                                                                                                                    	puts(state);
                                                                                                                    	cout<<"\t\t\t";
                                                                                                                    	puts(country);
                                                                                                                    	cout<<"\t\t\t";
                                                                                                                    	cout<<zip;
                                                                                                                    	cout<<"\n\t\t\t";
                                                                                                                    	puts(history);
                                                                                                                    	box();
                                                                                                                };
                                                                                                                /////////////deletes patient address and history///////////
                                                                                                                void addrd(long int i)


                                                                                                                    {
                                                                                                                    	addr a;
                                                                                                                    	fstream o,d;
                                                                                                                    	d.open("temp2.txt",ios::in|ios::out|ios::binary);
                                                                                                                    	o.open("addr.txt",ios::in|ios::out|ios::binary);
                                                                                                                    	do


                                                                                                                        	{
                                                                                                                        		o.read((char*)&a,sizeof(addr));
                                                                                                                        		if(!o)
                                                                                                                        			break;
                                                                                                                        		else if(a.n!=i)
                                                                                                                        			d.write((char*)&a,sizeof(addr));
                                                                                                                        	}while(o);
                                                                                                                        	o.close();
                                                                                                                        	d.close();
                                                                                                                        	remove("addr.txt");
                                                                                                                        	rename("temp2.txt","addr.txt");
                                                                                                                    };
                                                                                                                    /////////////modifys patient address and history/////////////
                                                                                                                    void modifya(long int rec)


                                                                                                                        {
                                                                                                                        	fstream o;
                                                                                                                        	addr p;
                                                                                                                        	o.open("addr.txt",ios::in|ios::out|ios::binary);
                                                                                                                        	o.seekg(((rec-1)*sizeof(addr)),ios::beg);
                                                                                                                        	o.read((char*)&p,sizeof(addr));
                                                                                                                        	cout<<"\n\n\n\t\t\tPresent values are: "<<endl;
                                                                                                                        	box();
                                                                                                                        	p.view();
                                                                                                                        	getch();
                                                                                                                        	clrscr();
                                                                                                                        	cout<<"\t\t\tEntering New Values:(press any key) "<<endl;
                                                                                                                        	getch();
                                                                                                                        	o.seekp(((rec-1)*sizeof(addr)),ios::beg);
                                                                                                                        	p.addrset();
                                                                                                                        	o.write((char*)&p,sizeof(addr));
                                                                                                                        	o.seekg(0);
                                                                                                                        	o.close();
                                                                                                                    };
                                                                                                                    /////////displays data in class 'addr' in modify option//////////////
                                                                                                                    void patient::out3()


                                                                                                                        {
                                                                                                                        	clrscr();
                                                                                                                        	gotoxy(1,13);
                                                                                                                        	char a;
                                                                                                                        	cout<<"\n\n\n\t\t\tRecord No.: "<<n<<endl;
                                                                                                                        	cout<<"\t\t\tRecord Status: ";
                                                                                                                        	puts(status);
                                                                                                                        	cout<<"\t\t\tName: ";
                                                                                                                        	puts(name);
                                                                                                                        	cout<<"\t\t\tDisease: ";
                                                                                                                        	puts(disease);
                                                                                                                        	cout<<"\t\t\tStatus: ";
                                                                                                                        	puts(cond);
                                                                                                                        	cout<<"\t\t\tDays admitted :"<<adays<<endl;
                                                                                                                        	cout<<"\t\t\tAttending doctor: ";
                                                                                                                        	puts(doctor);
                                                                                                                        	cout<<"\t\t\tPresently Lying in ward "<<ward<<" bed "<<bed<<endl;
                                                                                                                        	cout<<"\t\t\tBill to be paid: "<<bill<<endl;
                                                                                                                        	gotoxy(0,0);
                                                                                                                    };
                                                                                                                    /////////////main search menu///////////
                                                                                                                    void searchmain()


                                                                                                                        {
                                                                                                                        label10:textcolor(3);
                                                                                                                        	clrscr();
                                                                                                                        	fstream o;
                                                                                                                        	char str[20];
                                                                                                                        	long int rec;
                                                                                                                        	patient p;
                                                                                                                        	int flag,flag1;
                                                                                                                        	o.open("hospital.txt",ios::in|ios::out|ios::app|ios::binary);
                                                                                                                        	clrscr();
                                                                                                                        	int s;
                                                                                                                        	cout<<"\n\n\n\t\t\tSEARCH MENU "
                                                                                                                        	<<"\n\t\t\tSearch By"
                                                                                                                        	<<"\n\t\t\t1.Record no."
                                                                                                                        	<<"\n\t\t\t2.Patient Name"
                                                                                                                        	<<"\n\t\t\t3.Disease"
                                                                                                                        	<<"\n\t\t\t4.Attending Doctor"
                                                                                                                        	<<"\n\t\t\t5.Ward"
                                                                                                                        	<<"\n\t\t\t6.Return to MAIN MENU"
                                                                                                                        	<<"\n\t\t\tEnter choice: ";
                                                                                                                        	box();
                                                                                                                        	gotoxy(40,12);
                                                                                                                        	cin>>s;
                                                                                                                        	clrscr();
                                                                                                                        	if(s==1)


                                                                                                                            	{
                                                                                                                            		cout<<"\n\n\n\t\t\tEnter record no.: ";
                                                                                                                            		box();
                                                                                                                            		gotoxy(43,4);
                                                                                                                            		cin>>rec;
                                                                                                                            		saveload(4);
                                                                                                                            		do


                                                                                                                                		{
                                                                                                                                			clrscr();
                                                                                                                                			o.read((char*)&p,sizeof(patient));
                                                                                                                                			if(!o)
                                                                                                                                			break;
                                                                                                                                			if(rec==p.n)


                                                                                                                                    			{
                                                                                                                                    				p.out1();
                                                                                                                                    				box();
                                                                                                                                    				getch();
                                                                                                                                    				flag=1;
                                                                                                                                    				break;
                                                                                                                                    			}
                                                                                                                                    		}while(o);
                                                                                                                                    		if(flag!=1)
                                                                                                                                    		cout<<"\n\n\n\t\t\tFile not found";
                                                                                                                                    		box();
                                                                                                                                    		goto label10;
                                                                                                                                    	}