old programs! you need dosbox!

Date_H.cpp

/*
Title: Date Handler (Library Manager)
Version: 4
Started: 10 Nov 2006
Revised: 1
Program Status: perfect
*/

struct Date {int dd, mm, yy;} c;//current date

void Dfetch() //fetch current date
{
 struct date t;
 getdate(&t);
 c.dd = t.da_day;
 c.mm = t.da_mon;
 c.yy = t.da_year;
}

void Future_D(Date &d, int days)
{
 void MM(Date &,int &);
 while(days>365)
      {
       d.yy++;
       days-=365;
       if(d.yy%4==0) days--;
      }

 while(days>30) MM(d, days);
 d.dd+=days;
 if(d.dd>28) MM(d, d.dd);
}

void MM(Date &d,int &days)
{
 if(d.mm==2)
   {
    d.mm++;
    days-=28;
    if(d.yy%4==0) days--;
   }
 else
 if((d.mm%2!=0 && d.mm<=7) || (d.mm%2==0 && d.mm>=8)) //months having 31 days
   {
    d.mm++;
    days-=31;
   }
 else
   {
    d.mm++;
    days-=30;
   }

 if(d.mm>12)
   {
    d.yy++;
    d.mm-=12;
   }
}

File_H.cpp

/*
Title: File handler (Library Manager)
Version: 3
Started: 27 Nov 2006
Revised: 1
Program Status: Good
*/

class Hfile
{
 int Get();

 public:
    char name[9];
    char caption[18];
    char path[30];

    char lpath[40]; //Library path
    char mpath[40]; //Member Database path
    char tpath[40]; //Transaction Databse path
    char tempp[40]; //Temp path

    int Create();
    int Open();
}CO;

int Hfile::Create()
{
 cleardevice();
 gotoxy(1,1);

 cout<<"\n\tNew Library\n\n";
 t1=Get();
 if(!t1) return 0;
 ofstream n;
 n.open(lpath, ios::noreplace | ios::binary);

 if(!n)
   {
    cout<<"\nWARNING\nA file exist with a same name\n"
	<<"Do you want to overwrite \""
	<<name
	<<".LIB\" (Y/N): ";
    char ans;
    ans=getche();

    if(ans=='y'|| ans=='Y')
      {
       //delting existing support files
	 remove(mpath);
	 remove(tpath);
       n.open(lpath, ios::binary);
      }
    cout<<endl;
   }

 if(!n)
   {
    cout<<"\nFail to create file";
    getch();
    return 0;
   }

 cout<<"\nFile successfully created";
 n.close();
 return 1;
}

int Hfile::Open()
{
 cleardevice();
 gotoxy(1,1);

 cout<<"\n\tLoad Library\n\n";
 t1=Get();
 if(!t1) return 0;
 ifstream o;
 o.open(lpath, ios::nocreate | ios::binary);

 if(!o)
   {
    cout<<"\nWARNING\nA file doesn't exist."
       <<"\n\nFail to load file";
    getch();
    return 0;
   }

 cout<<"\nFile successfully loaded";
 o.close();
 return 1;
}

int Hfile::Get()
{
 printf("\
Directory Path: %s\n\
(Default: current directory)\n\n\
Press F4 to change Directory Path"
 ,arg);

 re:
 cout<<"\n\nLibrary Name (max 8 letters): ";

 switch(fetch(name,9))
 {
  case 9:
       cout<<"Bad File Name\n";
       getch();
  case 27: return 0;
  case 62:
       cout<<"\nPath: ";
       switch(fetch(path,30))
       {
	case 9:
	     cout<<"\n\tBad File Name";
	     getch();
	case 27: return 0;
       }
       strupr(path);
       goto re;
 };
 strupr(name);


 strcpy(caption, name);
 strcat(caption, " LIBRARY");

 strcpy(lpath, path);
 strcat(lpath, name);

 strcpy(mpath, lpath);
 strcpy(tpath, lpath);
 strcpy(tempp, lpath);

 strcat(lpath, ".LIB");
 strcat(mpath, ".MDB");
 strcat(tpath, ".TDB");
 strcat(tempp, ".tmp");
 return 1;
}

GTIZER.cpp

/*
Title: Graphitizer (Library Manager)
Version: Test mode
Initiated: 19 Dec 2007
Last Update: 9 Feb 2009
Revised: 1
//getmax() give the constant val change it to constant
*/

int xco, yco; //store x & y cordinate value

int temp, tflag=NULL ;
int mx, my, button; //mouse cordinate & values
int xm, ym; //stores max value of x & y cordinate which will always be same
int RESPOND; //return value

void help();

union REGS i, o;

class Layout
{
 protected:
    void Frame_cut(int, int, int, int, int, int, char); //Draw Frame Outline

 public:
    void inti_screen(); //set variable values
};

class Builder:public Layout
{
 protected:
    int item_c; //items contains
    char *items_n[]; //items name container
    char *cap;

    void Form_component(char);
    void Menubox(int);

 public:
    void Form();
    void Menu(char *, char *[]);
    void Reload();
};

int CFP=0; //current Focus position
class Access : public Builder
{
 void Focus(int);
 void intimouse();
 void mousefocus(int *);
 void showmouseptr(int);
 void putpointer(int, int);
 void getmousepos();
 void Clickstroke(int *);
 void Keystroke();
 void Trackmouse();

 public:
    int devices();
}A;

void Layout::inti_screen()
{
 setbkcolor(1);
 setlinestyle(0,0,0);
 xm=getmaxx(); //can't use constructor
 ym=getmaxy();
}

void Layout::Frame_cut(int c, int l, int t, int r, int b, int ra, char cut = 'n')
{
 setcolor(c);
 switch(cut)
 {
  case 'n': //rectangle no cut
	ra=0;

  case 'r': //right digonally cut
	line(l, t, r-ra, t); //top horizontal
	line(l, t, l, b-ra); //left vertical
	arc(l+ra, b-ra, 180, 270, ra); //left bottom arc
	line(l+ra, b, r, b); //bottom horizontal
	line(r, t+ra, r, b); //right vertical
	arc(r-ra, t+ra, 0, 90, ra); //right top arc
	break;

  case 'l': //left diagonallu cut
	line(l+ra, t, r, t); //top horizontal
	line(l, t+ra, l, b); //left vertical
	arc(l+ra, t+ra, 90, 180, ra); //left top arc
	line(l, b, r-ra, b); //bottom horizontal
	line(r, t, r, b-ra); //right vertical
	arc(r-ra, b-ra, 270, 0, ra); //right bottom arc
 }
}

void Builder::Form()
{
 cleardevice(); //clear the screen for new form
 //creating the platform
   Frame_cut(14, 20, 20, xm-20, ym-20, 40, 'l');
   setfillstyle(2, 15);
   floodfill(1,1,14); //outside

 //creating Outlines
   line(60, 20, 60, ym-100); //left vertical
   line(100, ym-20, 100, ym-60); //left bottom vertical
   arc(100, ym-100, 180, 270, 40); //left bottom arc
   line(20, ym-100, 60, ym-100); //left bottom horizontal
   line(100, ym-60, xm-20, ym-60); //bottom horizontal

 //Loading text
   settextstyle(1,2,4);
   outtextxy(18,70, "My Manager 1.2");
   settextstyle(2,0,4);
   outtextxy(110, ym-40, "Programed By rho");
   setcolor(15);
   settextstyle(2,0,5);
   outtextxy(110, ym-55, "F1: Help | Esc: Return Back | Enter: Open Menu");
}

void Builder::Form_component(char c)
{
 switch(c)
 {
  case 't': //Form Title box
	setfillstyle(1,15);
	bar(70, 30, xm-30, 75);
	break;

  case 'f': //Menu Frame
	setcolor(1);
	setlinestyle(0,0,0);
	setfillstyle(9,9);
	pieslice(100, ym-100, 180, 270, 30); //left bottom pie
	bar(70, 75, xm-30, ym-100);
	bar(100, ym-100, xm-30, ym-70);
	break;
 }
}

void Builder::Menubox(int P)
{
 yco=(P+2)*50;

 Frame_cut(15, 150, yco, xm-120, yco+30, 15, 'r');
 circle(157, yco+7, 3); //push pin left
 circle(xm-127, yco+23, 3); //push pin right

 setfillstyle(1,15);
 floodfill(165, yco+10,15);

 setcolor(9);
 outtextxy((xm/2)-120, yco-1, items_n[P]); //center text
}

void Builder::Menu(char *caption, char *list[])
{
 //addtional
   inti_screen();
   Form();
 //Loading Menu Caption
   Form_component('t');
   setcolor(6);
   settextstyle(1,0,4);
   cap=caption;
   outtextxy((xm-textwidth(caption))/2, 30, caption); //center text

 //Setting up Menu(items)
   Form_component('f');

   settextstyle(1,0,3);

   for(item_c=0; list[item_c]!='\0'; item_c++)
    {
     items_n[item_c]=list[item_c]; //coping to class's variable
     Menubox(item_c);
    }
   item_c--;
}

void Builder::Reload()
{
 setbkcolor(1);
 setlinestyle(0,0,0);
 Form();

 //Loading Menu Caption
   Form_component('t');
   setcolor(6);
   settextstyle(1,0,4);
   outtextxy((xm-textwidth(cap))/2, 30, cap); //center text

 //Setting up Menu(items)
   Form_component('f');
   settextstyle(1,0,3);
   for(int i=0; i<=item_c; i++) Menubox(i);

}

void Access::Focus(int NFP=0) //NFP(New Focus Position)
{
 //rotator
   if(NFP>item_c) NFP=0;
   else
   if(NFP<0) NFP=item_c;

 //defocus  not to execute in 1st run
   if(NFP!=CFP)
    {
     yco=(CFP+2)*50;
     setfillstyle(9,9);
     bar(149, yco-1, xm-119, yco+31); //Eraseing Bitmap
     setlinestyle(0,0,0);
     Menubox(CFP);
    }

 //focusing Mode
   yco=(NFP+2)*50;

   setfillstyle(9,9);
   bar(150, yco, xm-120, yco+30); //Eraseing Bitmap

   setlinestyle(0,0,3);
   Frame_cut(15, 150, yco, xm-120, yco+30, 15, 'l');
   circle(158, yco+22, 2); //push pin left
   circle(xm-127, yco+7, 2); //push pin right

   setfillstyle(1,9);
   floodfill(165, yco+10,15);

   setcolor(15);
   outtextxy((xm/2)-120, yco-1, items_n[NFP]); //center text

  CFP=NFP; //update CFP
}

void Access::intimouse()
{
 //Initializes the mouse
   i.x.ax=0;
   int86(0x33,&i,&o);

 if(o.x.ax==0)
   {
    printf("\nMouse driver not loaded");
    getch();
    exit(1);
   }
}

void Access::showmouseptr(int m)
{
 i.x.ax=m;
 int86(0x33,&i,&o);
}

void Access::getmousepos()
{
 i.x.ax=3;
 int86(0x33,&i,&o);
 button=o.x.bx;
 mx=o.x.cx;
 my=o.x.dx;
}

void Access::putpointer(int x, int y)
{
 i.x.ax=4;
 i.x.cx=x;
 i.x.dx=y;
 int86(0x33,&i,&o);
}

void Access::mousefocus(int *c)
{
 if(CFP!=*c)
  {
   delay(DELAY_TIME);
   showmouseptr(2);
   Focus(*c);
   showmouseptr(1);
  }
}

void Access::Clickstroke(int *c)
{
 if(button==1&&tflag!=1) //avoid repetation
  {
   temp=9;
   tflag=1;
   upbutton:
   showmouseptr(2);
   setlinestyle(0,0,3);
   Frame_cut(temp, 150, yco, xm-120, yco+30, 15, 'l');
   showmouseptr(1);
  }
 else
 if(button!=1&&tflag==1)
  {
   temp=15;
   tflag=NULL;
   RESPOND=*c;
   goto upbutton;
  }

}

void Access::Trackmouse()
{
 getmousepos();
 if(mx>150&&mx<xm-120)
  {
   for(int c=0; c<=item_c; c++)
    {
     yco=(c+2)*50;
     if(my>yco&&my<yco+30)
      {
       mousefocus(&c);
       Clickstroke(&c);
      }
    }

  }
}

void Access::Keystroke()
{
 if(kbhit())  //lovely lock
  {
   showmouseptr(2);
   cho=getch();
   if(cho>='0' && cho<='9') RESPOND=cho-48;
   else switch(cho) //monitor key stroke
    {
     case 13: //Enter
      RESPOND=CFP;      break;

     case 27: //Esc
      RESPOND=27;
      break;

     case 0:
     case 224:
      switch(getch())
      {
	case 59:
	       help();
	       Reload();
	       break;

	case 80: //Down arrow
	 Focus(CFP+1);	break;

	case 72: //Up arrow
	 Focus(CFP-1);	break;
      }
    }
   showmouseptr(1);
  }
}

int Access::devices()
{
 RESPOND=-1;
 intimouse();
 Focus(); //Place selector
 putpointer(xm/2+200, (0+2)*50+15);
 showmouseptr(1);

 while(RESPOND==-1)
 {
  Keystroke();
  Trackmouse();
 }

 showmouseptr(0);
 return RESPOND;
}

void help()
{
 clrscr();
 cout<<"Help\n\n\
Library Manager is the Small Program for Keep track \
of your books collection.\n\n\
Explorer! it It's easy to use.\n\
";
 getch();

}

INTRO.cpp

/*
Title: Intro (Library Manager)
Version: 2
Started: 25 Nov 2006
Last Update: 5 Feb 2009
Revised: 2
Program Status: Cool
*/

#define PIXEL_COUNT 3000
#define DELAY_TIME  100  //in milliseconds

int gdriver=DETECT, gmode;

void Splash()
{
 int i, x, y, color, seed,
     maxx=getmaxx()+1,
     maxy=getmaxy()+1,
     maxcolor=getmaxcolor()+1;

 while(!kbhit())
      {
       //seed the random number generator
	 seed=random(32767);
	 srand(seed);
       for(i=0; i<PIXEL_COUNT; i++)
	  {
	   x=random(maxx);
	   y=random(maxy);
	   color=random(maxcolor);
	   putpixel(x, y, color);
	  }
       delay(DELAY_TIME);
       srand(seed);

       for(i=0; i<PIXEL_COUNT; i++)
	  {
	   x=random(maxx);
	   y=random(maxy);
	   color=random(maxcolor);
	   if(color==getpixel(x, y)) putpixel(x, y, 0);
	  }
       setcolor(14);
       settextstyle(10,0,4);
       outtextxy(50, maxy/2-80, "LIBRARY MANAGER 1.2");
       settextstyle(2,0,4);
       outtextxy(maxx-180, maxy-30, "Press any Key to Continue...");
       setcolor(15);
       settextstyle(7,0,3);outtextxy(300, maxy/2, "By");
       settextstyle(4,0,4);
       outtextxy(190, maxy/2+25, "rho");
       settextstyle(3,0,2);
       settextstyle(4,0,3);
       outtextxy(285, maxy/2+25+35+60, "2009");
      }
 getch();
}

LibMgr.cpp

/*
Project Name: Library Manager
Version: 1.2
Started: 12 Nov 2006
Last Update: 03 Feb 2009
Revised: 5
Program Status: Cool
*/

#include <fstream.h>
#include <conio.h>
#include <string.h>
#include <stdio.h>
#include <dos.h>
#include <stdlib.h>
#include <graphics.h>

int t1, flag;
char cho, t2[30], t3[30];
int fetch(char *, int);
char *arg;

//Including the Library Componets
  #include "Date_H.cpp"
  #include "Intro.cpp"
  #include "File_H.cpp"
  #include "Gtizer.cpp"
  #include "Library.cpp"
  #include "Member.cpp"
  #include "Transact.cpp"
  #include "Server.cpp"

int main(int argc, char *argv[])
{
 arg=argv[0];
 initgraph(&gdriver, &gmode, "bgi");
 Splash();
 S.Main();
 closegraph();
 restorecrtmode();
 return 0;
}

int fetch(char *ch, int i)
{
    int a=i;
    for(;;)
    {
	 t1=getch();
	 if((t1>='A' && t1<='Z') ||
	    (t1>='a' && t1<='z') ||
	    (t1>='0' && t1<='9') ||
	    (t1==':') || (t1=='\\')
	   )
	 {
			  if(i==1) continue;
			  cout<<(char)t1;
			  *ch=t1;
			  ch++;
			  *ch='\0';
			  i--;
	 }
	 else switch(t1)
	 {
	      case 8:
		   if(a==i) continue;
		   printf("\b \b");
		   i++;
		   ch--;
		   *ch='\0';
		   break;
	      case 13: return i;
	      case 27: return 27;
	      case 0: return getch();
	 };
    }
    return 0;
}

Library.cpp

/*
Title: Library Manager (Library Manager)
Version: Bug Mode
Initiated: 12 Nov 2006
Last Update: 9 Feb 2009
Revised: 1
*/

class Library
{
 public:
    int bno;
    struct
    {
	   char title[50];
	   char author[50];
	   int year;
	   char publication[50];
	   float price;
    }Tag;

    Date d_add; //date added to library: Auto
    char Ab; //book aviliability
    int is_no; //no of times booked issued

    void Add();
    void Modify();
    void Del();
    int Search();
    void Display();

    void Load();
    void Show(char);
    void Update();
}B;

fstream lib;

int lf_state=1; //0: blank file | 1: smooth
int bsize=sizeof(Library);


void Library::Add()
{
 clrscr();
 lib.open(CO.lpath, ios::nocreate | ios::in | ios::out | ios::binary);

 if(lf_state==0)
   {
    cout<<"Opening Library\n";
    bno=lf_state=1;
   }
 else
 if(lf_state==1)
   {
    cout<<"Adding to Library\n";
    lib.seekg(-bsize, ios::end);
    lib.read((char *) & B, bsize);
    bno++;
   }

 cout<<"\nBno: "<<bno;
 cout<<"\nEnter Details\n\n";
 cout<<"Title: "; gets(Tag.title);
 cout<<"Author: "; gets(Tag.author);
 cout<<"Year: "; cin>>Tag.year;
 cout<<"Publication: "; gets(Tag.publication);
 cout<<"Price: "; cin>>Tag.price;

 Ab = 'Y';
 Dfetch(); //Get Current Date
 d_add=c;
 is_no=0;

 lib.write((char *) & B, bsize);
 lib.close();

 cout<<"\nBook Successfully added";
 getch();
}

void Library::Modify()
{
 clrscr();
 if(lf_state==0)
   {
    cout<<"\n\tNo Books In Library !!!";
    getch();
    return;
   }

 cout<<"Modify Book Details\n\n";
 re:
 cout<<"Search for book - Zero '0'\n"
     <<"Bno : ";
 cin>>t1;

 if(t1==0)
   {
    Search();
    goto re;
   }

 lib.open(CO.lpath, ios::nocreate | ios::in | ios::out | ios::binary);
 lib.read((char *) & B, bsize);

 flag=0;
 while(!lib.eof())
      {
       if(t1==bno)
	   {
	    flag=1;
	    break;
	 }
       else flag=0;
       lib.read((char *) & B, bsize);
      }

 if(flag==0)
   {
    cout<<"\nThe Bno "<<t1<<" doesn't exist !!!";
    getch();
    lib.close();
    return;
   }

 clrscr();
 Show('t');
 Show('d');
 cout<<"\nTo Modify info Press <Space>";

 //Modify Staments
   cout<<"\nTitle: "<<Tag.title;
   if(getch()==32)
     {
      gotoxy(8, wherey()); clreol();
      gets(Tag.title);
      gotoxy(1, wherey()-1);
     }

   cout<<"\nAuthor: "<<Tag.author;
   if(getch()==32)
     {
      gotoxy(9, wherey()); clreol();
      gets(Tag.author);
      gotoxy(1, wherey()-1);
     }

   cout<<"\nYear: "<<Tag.year;
   if(getch()==32)
     {
      gotoxy(6, wherey()); clreol();
      cin>>Tag.year;
      gotoxy(1, wherey()-1);
     }

   cout<<"\nPublication: "<<Tag.publication;
   if(getch()==32)
     {
      gotoxy(14, wherey()); clreol();
      gets(Tag.publication);
      gotoxy(1, wherey()-1);
     }

   cout<<"\nPrice: "<<Tag.price;
   if(getch()==32)
     {
      gotoxy(8, wherey()); clreol();
      cin>>Tag.price;
      gotoxy(1, wherey()-1);
     }

 lib.seekp(-bsize, ios::cur);
 lib.write((char *) & B, bsize);
 lib.close();

 cout<<"\n\n";
 Show('t');
 Show('d');
 cout<<"\n\nBook Detail Successfully Modified";
 getch();
}

void Library::Del()
{
 clrscr();
 if(lf_state==0)
   {
    cout<<"\n\tNo Books In Library !!!";
    getch();
    return;
   }

 cout<<"Remove Book\n\n";
 re:
 cout<<"Search for book - Zero '0'\n"
     <<"Bno: ";
 cin>>t1;

 if(t1==0)
   {
    Search();
    goto re;
   }

 lib.open(CO.lpath, ios::nocreate | ios::in | ios::out | ios::binary);
 lib.read((char *) & B, bsize);
 flag=0;
 while(!lib.eof())
      {
       if(t1==bno)
	 {
	  flag=1;
	  break;
	 }
       else
	 flag=0;
       lib.read((char *) & B, bsize);
      }

 if(flag==0)
   {
    cout<<"\nThe Bno "<<t1<<" doesn't exist !!!";
    getch();
    lib.close();
    return;
   }

 Show('t');
 Show('d');

 cout<<"\nAre you sure you wan't to remove the book(Y/N): ";
 cho=getch();
 cout<<cho;
 if(cho=='Y' || cho=='y')
   goto end;
 else
   {
    lib.close();
    return;
   }

 end:
 ofstream out;
 out.open (CO.tempp, ios::binary);

 lib.seekg(0);
 lib.read((char *) & B, bsize);
 while(bno!=t1)
      {
       out.write((char *) & B, bsize);
       lib.read((char *) & B, bsize);
      }
 lib.read((char *) & B, bsize);
 while(!lib.eof())
      {
       out.write((char *) & B, bsize);
       lib.read((char *) & B, bsize);
      }

 lib.close();
 out.close();
 remove(CO.lpath);
 rename(CO.tempp, CO.lpath);
 Load();

 cout<<"\nBook Successfully Removed";
 getch();
}

int Library::Search()
{
 if(lf_state==0)
   {
    cout<<"\n\tNo Books In Library !!!";
    getch();
    return 0;
   }

 cout<<"\nEnter Search Criteria\n"
     <<"\t1: Bno | 2: Title | 3: Author | 4: Publication | 5: Year\n";

 lib.open (CO.lpath, ios::nocreate | ios::in | ios::binary);

 int i=0; //search review
 cho=getch();
 switch(cho)
 {
	case '1': //Bno can't be jump coz entires might be deleted
		  //Impovement might be binary search
	      cout<<"Bno: "; cin>>t1;
	      lib.read((char *) & B, bsize);
	      flag=0;
	      while(!lib.eof())
		   {
		    if(t1==bno)
		      {
		       flag=1;
		       break;
		      }
		    else flag=0;
		    lib.read((char *) & B, bsize);
		   }

	      if(flag==0)
		{
		 cout<<"\nThe Bno "<<t1<<" doesn't exist !!!";
		 getch();
		 lib.close();
		 return 0;
		}

	      Show('t');
	      Show('d');
	      break;

	case '2':
	case '3':
	case '4':
	      if(cho=='2') cout<<"Title: ";
	      else if(cho=='3') cout<<"Author: ";
	      else cout<<"Publication: ";

	      gets(t2);
	      strlwr(t2);
	      Show('t');
	      lib.read((char *) & B, bsize);
	      while(!lib.eof())
		   {
		    if(cho=='2') strcpy(t3, Tag.title);
		    else if(cho=='3') strcpy(t3, Tag.author);
		    else strcpy(t3, Tag.publication);
		    strlwr(t3);
		    if(strcmp(t2,t3)==0)
		      {
		       Show('d');
		       i++;
		      }
		    lib.read((char *) & B, bsize);
		   }
	      printf("%d Entries Found\n\n", i);
	      break;

	case '5':
	      cout<<"Year: ";
	      cin>>t1;
	      Show('t');
	      lib.read((char *) & B, bsize);
	      while(!lib.eof())
		     {
		      if(t1==Tag.year)
			{
			 Show('d');
			 i++;
			}
		      lib.read((char *) & B, bsize);
		     }
	      printf("%d Entries Found\n\n", i);
	      break;

	case 27: return 27;
 }
 lib.close();
}

void Library::Display()
{
 clrscr();
 if(lf_state==0)
   {
    cout<<"\n\tNo Books In Library !!!";
    getch();
    return;
   }

 Show('t');

 lib.open (CO.lpath, ios::nocreate | ios::in | ios::binary);
 lib.read((char *) & B, bsize);
 while(!lib.eof())
      {
       Show('d');
       lib.read((char *) & B, bsize);
      }

 lib.close();
 getch();
}

void Library::Load()
{
 lib.open(CO.lpath, ios::nocreate | ios::in | ios::binary);
 lib.seekg(0, ios::end);
 if(lib.tellp()==0) //becoz file exists
    lf_state=0;
 lib.close();
}

void Library::Show(char t)
{
 if(t=='t')
 {

	printf("%s", "Bno");
	printf("%c%*s", 179, -16, "Title");
	printf("%c%*s", 179, -16, "Author");
	printf("%c%*s",	179, -4, "Year");
	printf("%c%*s", 179, -15, "Publication");
	printf("%c%*s",	179, -6, "Price");
	printf("%c%c",  179, 'S');
	printf("%c%*s",	179,  -3, "I#");
	printf("%c%*s", 179,  -8, "Reg.Date");

			 for(t1=0;t1< 3;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1<16;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1<16;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1< 4;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1<15;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1< 6;t1++) cout<<(char)205;
	printf("%c%c", 216, 205);
	cout<<(char)216; for(t1=0;t1< 3;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1< 8;t1++) cout<<(char)205;
 }
 else if(t=='d')
 {
	printf("%03d", bno);
	printf("%c%-16.16s",     179, Tag.title);
	printf("%c%-16.16s",     179, Tag.author);
	printf("%c%4d",	         179, Tag.year);
	printf("%c%-15.15s",     179, Tag.publication);
	printf("%c%6.2f",        179, Tag.price);
	printf("%c%c",           179, Ab);
	printf("%c%3d",          179, is_no);
	printf("%c%02d%02d%04d", 179, d_add.dd, d_add.mm, d_add.yy);
 }
}

void Library::Update()
{
 Load();
 char* list[]= {
		"Register Book",
		"Modify Book Details",
		"Remove Book",
		"Search Book",
		"List Books",
		'\0'
	       };

 for(;;)
 {

     A.Menu("Manage Library", list);

     switch(A.devices())
     {
	    case 0: Add(); break;
	    case 1: Modify(); break;
	    case 2: Del(); break;
	    case 3:
		  clrscr();
		  cout<<"Book Search\n";
		  if(27!=Search()) getch();
		  break;
	    case 4: Display(); break;
	    case 27:
	    case -1: return; //Esc
     }
 }
}

Member.cpp

/*
Title: Member's Profile Manager (Library Manager)
Version: 3
Initiated: 10 Nov 2006
Last Update: 9 Feb 2009
Revised: 7

Limits:
  01 Reg_no max capacity 32767
  03 Scroll View not build
*/

class Member
{
 public:
    int reg_no; //unique var
    char name[30], address[50], contact[11];
    int duration;
    char iss; //issued book flag
    Date d_reg, d_exp; //structure's object

    void Renew();
    void Add();
    void Modify();
    void Del();
    void Search();
    void Display();

    void Load();
    void Show(char);
    void MDB();
}P;

fstream mem;
int mf_state=1, //0: blank file | 1: smooth
    psize=sizeof(Member);

void Member::Add()
{
 clrscr();
 mem.open(CO.mpath, ios::nocreate | ios::in | ios::out | ios::binary);

 if(mf_state==0)
   {
    cout<<"Creating Database\n";
    reg_no=mf_state=1;
   }
 else
 if(mf_state==1)
   {
    cout<<"Adding to Database\n";
    mem.seekg(-psize, ios::end);
    mem.read((char *) & P, psize);
    reg_no++;
   }

 cout<<"\nReg_no: "<<reg_no
     <<"\nEnter Details\n\n"
     <<"Name: "; gets(name);
 cout<<"Address: "; gets(address);
 cout<<"Contact no: "; gets(contact);
 cout<<"Membership period(in mm): "; cin>>duration;

 Dfetch(); //Get Current Date
 d_reg=d_exp=c;
 Future_D(d_exp, duration*30);
 iss='N';

 mem.write((char *) & P, psize);
 mem.close();

 cout<<"\nProfile Successfully added";
 getch();
}

void Member::Modify()
{
 clrscr();
 if(mf_state==0)
   {
    cout<<"\n\tNo Members Found !!!";
    getch();
    return;
   }

 cout<<"Modify Profile\n\n";
 re:
 cout<<"Search for profile - Zero '0'\n"
     <<"Reg no: ";
 cin>>t1;

 if(t1==0)
   {
    Search();
    goto re;
   }

 mem.open(CO.mpath, ios::nocreate | ios::in | ios::out | ios::binary);
 mem.read((char *) & P, psize);

 flag=0;
 while(!mem.eof())
      {
       if(t1==reg_no)
	   {
	    flag=1;
	    break;
	 }
       else flag=0;
       mem.read((char *) & P, psize);
      }

 if(flag==0)
   {
    cout<<"\nThe Reg no "<<t1<<" doesn't exist !!!";
    getch();
    mem.close();
    return;
   }

 Show('t');
 Show('d');
 cout<<"\nTo Modify info Press 'Space'";

 //Modify Staments
   cout<<"\nName: "<<name;
   cho=getch();
   if(cho==32)
     {
      gotoxy(7, wherey()); clreol();
      gets(name);
      gotoxy(1, wherey()-1);
     }

   cout<<"\nAddress: "<<address;
   cho=getch();
   if(cho==32)
     {
      gotoxy(10, wherey()); clreol();
      gets(address);
      gotoxy(1, wherey()-1);
     }

   cout<<"\nContact no: "<<contact;
   cho=getch();
   if(cho==32)
     {
      gotoxy(13, wherey()); clreol();
      gets(contact);
      gotoxy(1, wherey()-1);
     }

 mem.seekp(-psize, ios::cur);
 mem.write((char *) & P, psize);
 mem.close();

 cout<<"\n\n";
 Show('t');
 Show('d');
 cout<<"\n\nProfile Successfully Modified";
 getch();
}

void Member::Renew()
{
 clrscr();
 if(mf_state==0)
   {
    cout<<"\n\tNo Members Found !!!";
    getch();
    return;
   }

 cout<<"Renew Profile\n\n";
 re:
 cout<<"Search for profile - Zero '0'\n"
     <<"Reg no: ";
 cin>>t1;

 if(t1==0)
   {
    Search();
    goto re;
   }

 mem.open(CO.mpath, ios::nocreate | ios::in | ios::out | ios::binary);
 mem.read((char *) & P, psize);
 flag=0;
 while(!mem.eof())
      {
       if(t1==reg_no)
	 {
	  flag=1;
	  break;
	 }
       else
	 flag=0;
       mem.read((char *) & P, psize);
      }

 if(flag==0)
   {
    cout<<"\nThe Reg no "<<t1<<" doesn't exist !!!";
    getch();
    mem.close();
    return;
   }

 Show('t');
 Show('d');

 Dfetch(); //Get Current Date

 if(c.yy>d_exp.yy) flag=0;
 else
 if(c.yy==d_exp.yy)
   {
    if(c.mm>d_exp.mm) flag=0;
    else
    if(c.mm==d_exp.mm)
      if(c.dd>=d_exp.dd) flag=0;
   }

 if(flag==1)
   {
    cout<<"\nThe membership period hasn't expired !!!"
	<<"\nDo you want to extend period (Y/N): ";
    cho=getch();
    cout<<cho;
    if(cho=='Y'||cho=='y')
      {
       cout<<"\nAdditional period(in mm): "; cin>>t1;
       duration += t1;
       Future_D(d_exp, t1*30);
       goto ext;
      }
    mem.close();
    return;
   }

 d_exp=c;
 cout<<"\nMembership period(in mm): "; cin>>duration;
 Future_D(d_exp, duration*30);

 ext:
 mem.seekp(-psize, ios::cur);
 mem.write((char *) & P, psize);
 mem.close();

 Show('t');
 Show('d');
 cout<<"\nProfile Successfully Renewed";
 getch();
}

void Member::Del()
{
 clrscr();
 if(mf_state==0)
   {
    cout<<"\n\tNo Members Found !!!";
    getch();
    return;
   }

 cout<<"Remove Profile\n\n";
 re:
 cout<<"Search for profile - Zero '0'\n"
     <<"Reg no: ";

 cin>>t1;

 if(t1==0)
   {
    Search();
    goto re;
   }

 mem.open(CO.mpath, ios::nocreate | ios::in | ios::out | ios::binary);
 mem.read((char *) & P, psize);
 flag=0;
 while(!mem.eof())
      {
       if(t1==reg_no)
	 {
	  flag=1;
	  break;
	 }
       else
	 flag=0;
       mem.read((char *) & P, psize);
      }

 if(flag==0)
   {
    cout<<"\nThe Reg no "<<t1<<" doesn't exist !!!";
    getch();
    mem.close();
    return;
   }

 Show('t');
 Show('d');

 if(iss=='Y')
   {
    cout<<"\nThe Reg no "<<t1<<" can't be deleted !!!"
	<<"\n\t \""<<name<<"\" has got Library's Books !!!";
    getch();
    mem.close();
    return;
   }

 cout<<"\nAre you sure you wan't to remove the profile(Y/N): ";
 cho=getch();
 cout<<cho;
 if(cho=='Y' || cho=='y')
   goto end;
 else
   {
    mem.close();
    return;
   }

 end:
 ofstream out;
 out.open (CO.tempp, ios::binary);

 mem.seekg(0);
 mem.read((char *) & P, psize);
 while(reg_no!=t1)
      {
       out.write((char *) & P, psize);
       mem.read((char *) & P, psize);
      }
 mem.read((char *) & P, psize);
 while(!mem.eof())
      {
       out.write((char *) & P, psize);
       mem.read((char *) & P, psize);
      }

 mem.close();
 out.close();
 remove(CO.mpath);
 rename(CO.tempp, CO.mpath);
 Load();

 cout<<"\nProfile Successfully Removed";
 getch();
}

void Member::Search()
{
 if(mf_state==0)
   {
    cout<<"\n\tNo Members Found !!!";
    getch();
    return;
   }

 cout<<"\nEnter Search Criteria\n"
     <<"\t1: Reg no | 2: Name | 3: Address | 4: Contact\n";
 mem.open (CO.mpath, ios::nocreate | ios::in | ios::binary);

 cho=getch();

 switch(cho)
 {
	case '1':
	     cout<<"Reg no: "; cin>>t1;
	     mem.read((char *) & P, psize);
	     flag=0;
	     while(!mem.eof())
	     {
		if(t1==reg_no)
		{
			flag=1;
			break;
		}
		else flag=0;
		mem.read((char *) & P, psize);
	     }

	     if(flag==0)
	     {
		cout<<"\nThe Reg no "<<t1<<" doesn't exist !!!";
		getch();
		mem.close();
		return;
	     }

	     Show('t');
	     Show('d');
	     break;

	case '2':
	case '3':
	case '4':
		  if(cho=='2') cout<<"Name: ";
	     else if(cho=='3') cout<<"Address: ";
	     else cout<<"Contact no: ";

	     int i=0; //search review
	     gets(t2);
	     strlwr(t2);
	     Show('t');
	     mem.read((char *) & P, psize);
	     while(!mem.eof())
	     {
		     if(cho=='2') strcpy(t3, name);
		else if(cho=='3') strcpy(t3, address);
		else strcpy(t3, contact);

		strlwr(t3);
		if(strcmp(t2,t3)==0)
		{
			Show('d');
			i++;
		}
		mem.read((char *) & P, psize);
	     }

	     cout<<"\nSearch Result: "<<i<<" Found\n\n";
	     break;

	case 27: return;

 }
 mem.close();
}

void Member::Display()
{
 clrscr();
 if(mf_state==0)
   {
    cout<<"\n\tNo Members Found !!!";
    getch();
    return;
   }

 Show('t');

 mem.open (CO.mpath, ios::nocreate | ios::in | ios::binary);
 mem.read((char *) & P, psize);
 while(!mem.eof())
      {
       Show('d');
       mem.read((char *) & P, psize);
      }

 mem.close();
 getch();
}

void Member::Load()
{
 mem.open(CO.mpath, ios::nocreate | ios::in | ios::binary);
 if(!mem) //can't find file
   {
    cleardevice();
    cout<<"\n\tNo File Found !!!";
    mem.open(CO.mpath, ios::in | ios::out | ios::binary);
    cout<<"\n\tCreating New File !!!";
   }

 mem.seekg(0, ios::end);
 if(mem.tellp()==0) //if file exists
   {
    cleardevice();
    cout<<"\n\tNo Data in File !!!";
    mf_state=0;
    getch();
   }
 mem.close();
}

void Member::Show(char t)
{
 if(t=='t')
 {
	printf("%s", "Re#");
	printf("%c%*s", 179, -20, "Name");
	printf("%c%*s", 179, -30, "Address");
	printf("%c%*s",	179, -11, "Contact");
	printf("%c%c",  179, 'I');
	printf("%c%*s",	179, -10, "Valid Till");

			 for(t1=0;t1< 3;t1++) cout<<

screenshot.png

Server.cpp

/*
Title: Server (Library Manager)
Version: Bug Mode
Initiated: 12 Nov 2006
Last Update: 9 Feb 2009
Revised: 5
*/

class Server //Menu Creator and Interface
{
 public:
    void Main(); //Main Menu
    void Operate();
    void Credits();
}S;

void Server::Main()
{
 char* list[]= {
		"Load Library",
		"New Library",
		"Credits",
		"Exit",
		'\0'
	       };

 for(;;)
 {

	A.Menu("Main Menu", list);
	switch(A.devices())
	{
	 case 0:
	      if(CO.Open()) Operate();
	      break;


	 case 1:
	      t1=CO.Create();
	      if(t1==1) Operate();
	      break;

	 case 2:
	      cleardevice();
	      Credits();
	      break;

	 case 27:
	 case 3:
	     return;
 }
}
}

void Server::Operate()
{
 char* list[]= {
		"Transaction",
		"Manage Library",
		"Member Database",
		"Quick Status",
		'\0'
	       };

 for(;;)
 {
	A.Menu(CO.caption, list);

	switch(A.devices())
	{
		case 0: R.Transact(); break;
		case 1: B.Update(); break;
		case 2: P.MDB(); break;
		case 3:
		     cleardevice();
		     gotoxy(1,1);

		     cout<<"Library Status\n\n";

		     lib.open(CO.lpath, ios::nocreate | ios::in | ios::binary);
		     lib.seekg(0, ios::end);
		     t1=lib.tellp()/bsize;
		     lib.close();
		     cout<<"\tTotal Books:\t"<<t1;

		     rec.open(CO.tpath, ios::nocreate | ios::in | ios::binary);
		     rec.seekg(0, ios::end);
		     flag=rec.tellp()/rsize;
		     rec.close();
		     cout<<"\n\t\tBooks in:\t"<<t1-flag;
		     cout<<"\n\t\tBooks out:\t"<<flag;

		     mem.open(CO.mpath, ios::nocreate | ios::in | ios::binary);
		     mem.seekg(0, ios::end);
		     t1=mem.tellp()/psize;
		     mem.close();
		     cout<<"\n\tTotal Members:\t"<<t1;
		     getch();
		     break;
	    case 27: return;
	   }
    }
}

void Server::Credits()
{
 gotoxy(1,25);
 cout<<"\n\
				     Credits\n\
				     =======\n\n\
	Project Initiated:\n\
		10 Oct 2006\n\n\
	Version:\n\
		Partial Graphics ver 1.2\n\
		Built 6\n\
		8 Feb 2009\n\n\
	Author\n\
		Rohit Man Amatya\n\n\n\n\
	Press Any Key Continue...\n\n\n\n\n\n\n\n\n\n";
 getch();
}

Transact.cpp

/*
Title: Library Transaction (Library Manager)
Version: 2
Initiated: 10 Nov 2006
Last Update: 9 Feb 2009
Revised: 2
*/

class Transaction
{
 int sno, bno;
 char title[30];
 int reg_no;
 char name[30], contact[11];
 Date d_iss; //issue date
 Date d_due; //due date

 public:
    void Issue();
    void Ret();
    void Display();

    void Show(char);
    int Load();
    void Transact();
}R;

fstream rec;
int rf_state=1; //0: blank file | 1: smooth
int rsize=sizeof(Transaction);

void Transaction::Issue()
{
 clrscr();
 cout<<"Book Issue\n\n";
 cout<<"Member's Reg no: ";
 cin>>t1;

 //cheaking for valid members
   mem.open(CO.mpath, ios::nocreate | ios::in | ios::out | ios::binary);
   mem.read((char *) & P, psize);
   flag=0;
   while(!mem.eof())
	{
	 if(t1==P.reg_no)
	   {
	    flag=1;
	    break;
	   }
	 else flag=0;
	 mem.read((char *) & P, psize);
	}

   if(flag==0)
     {
      cout<<"\nThe Reg no "<<t1<<" doesn't exist !!!";
      getch();
      mem.close();
      return;
     }

 P.Show('t');
 P.Show('d');

 //scanning members records
   if(P.iss=='Y')
     {
      cout<<"\n\nSorry \""<<P.name<<"\" can't issue book !!!"
	  <<"\n\tOnly one book can be issue at once !!!";
      getch();
      mem.close();
      return;
     }

 cout<<"\nBno: ";
 cin>>t1;

 //cheaking for valid books
   lib.open(CO.lpath, ios::nocreate | ios::in | ios::out | ios::binary);
   lib.read((char *) & B, bsize);
   flag=0;
   while(!lib.eof())
	{
	 if(t1==B.bno)
	   {
	    flag=1;
	    break;
	   }
	 else flag=0;
	 lib.read((char *) & B, bsize);
	}

   if(flag==0)
     {
      cout<<"\nThe Bno "<<t1<<" doesn't exist !!!";
      getch();
      mem.close();
      lib.close();
      return;
     }

 B.Show('t');
 B.Show('d');

 //scanning book status
   if(B.Ab=='N') //checking book in library
     {
      cout<<"\n\nSorry Bno "<<t1<<" is not in library now !!!";
      getch();
      lib.close();
      mem.close();
      return;
     }

 //updating the book and member records
   B.Ab='N';
   B.is_no++; //no of times booked issued
   lib.seekg(-bsize, ios::cur);
   lib.write((char *) & B, bsize);
   lib.close();

   P.iss='Y';
   mem.seekg(-psize, ios::cur);
   mem.write((char *) & P, psize);
   mem.close();

 //updating records
   rec.open(CO.tpath, ios::nocreate | ios::in | ios::out | ios::binary);
   if(rf_state==0)
     {
      cout<<"\n\nCreating Transaction Record\n";
      sno=rf_state=1;
     }
   else
   if(rf_state==1)
     {
      cout<<"\n\nAdding to Transaction Record\n";
      rec.seekg(-rsize, ios::end);
      rec.read((char *) & R, rsize);
      sno++;
     }

   cout<<"\Sno: "<<sno<<endl;
   bno=B.bno;
   strcpy(title, B.Tag.title);

   reg_no=P.reg_no;
   strcpy(name, P.name);
   strcpy(contact, P.contact);

   Dfetch(); //Get Current Date
   d_iss=d_due=c; //Update date
   Future_D(d_due, 7);

   rec.write((char *) & R, rsize);
   rec.close();

 cout<<"\nBook Successfully Issued";
 getch();
}

void Transaction::Ret()
{
 clrscr();
 if(rf_state==0)
   {
    cout<<"\n\tNo Records Found !!!";
    getch();
    return;
   }

 cout<<"Book Return\n\n";
 cout<<"Member's Reg no: ";
 cin>>t1;

 //cheaking for valid members
   mem.open(CO.mpath, ios::nocreate | ios::in | ios::out | ios::binary);
   mem.read((char *) & P, psize);
   flag=0;
   while(!mem.eof())
	{
	 if(t1==P.reg_no)
	   {
	    flag=1;
	    break;
	   }
	 else flag=0;
	 mem.read((char *) & P, psize);
	}

   if(flag==0)
     {
      cout<<"\nThe Reg no "<<t1<<" doesn't exist !!!";
      getch();
      mem.close();
      return;
     }
 //search member in record list
   rec.open(CO.tpath, ios::nocreate | ios::in | ios::out | ios::binary);
   rec.read((char *) & R, rsize);
   flag=0;
   while(!rec.eof())
	{
	 if(t1==reg_no)
	   {
	    flag=1;
	    break;
	   }
	 else
	   flag=0;
       rec.read((char *) & R, rsize);
      }

   if(flag==0)
     {
      cout<<"\nNo present transaction with Reg no "<<t1<<" !!!";
      getch();
      rec.close();
      mem.close();
      return;
     }

 Show('t');
 Show('d');

 //serch for books in list
   lib.open(CO.lpath, ios::nocreate | ios::in | ios::out | ios::binary);
   lib.read((char *) & B, bsize);
   flag=0;
   while(!lib.eof())
	{
	 if(t1==bno)
	   {
	    flag=1;
	    break;
	   }
	 else flag=0;
	 lib.read((char *) & B, bsize);
	}

 //updating the book and member records
   B.Ab='Y';
   lib.seekg(-bsize, ios::cur);
   lib.write((char *) & B, bsize);
   lib.close();

   P.iss='N';
   mem.seekg(-psize, ios::cur);
   mem.write((char *) & P, psize);
   mem.close();

 //removing form transaction record

   ofstream out;
   out.open (CO.tempp, ios::binary);

   rec.seekg(0);
   rec.read((char *) & R, rsize);
   while(reg_no!=t1)
	{
	 out.write((char *) & R, rsize);
	 rec.read((char *) & R, rsize);
	}
   rec.read((char *) & R, rsize);
   while(!rec.eof())
	{
	 sno--;
	 out.write((char *) & R, rsize);
	 rec.read((char *) & R, rsize);
	}

 mem.close();
 out.close();
 remove(CO.tpath);
 rename(CO.tempp, CO.tpath);
 if(sno==1) rf_state=0;

 cout<<"\nBook Successfully Retreved";
 getch();
}

void Transaction::Display()
{
 clrscr();
 if(rf_state==0)
   {
    cout<<"\n\tNo Records Found !!!";
    getch();
    return;
   }

 Show('t');

 rec.open (CO.tpath, ios::nocreate | ios::in | ios::binary);
 rec.read((char *) & R, rsize);
 while(!rec.eof())
      {
       Show('d');
       rec.read((char *) & R, rsize);
      }

 rec.close();
 getch();
}

int Transaction::Load()
{
 clrscr();
 //scanning support files
   mem.open(CO.mpath, ios::nocreate | ios::in | ios::binary);
   if(!mem)
     {
      cout<<"\n\t\""<<CO.name<<".MDB\" not Found !!!";
      mem.close();
      getch();
      return 0;
     }

   mem.seekg(0, ios::end);
   if(mem.tellp()==0) //if file exists
     {
      cout<<"\n\tNo Members Found !!!";
      mem.close();
      getch();
      return 0;
     }
   mem.close();

   lib.open(CO.lpath, ios::nocreate | ios::in | ios::binary);
   lib.seekg(0, ios::end);
   if(lib.tellp()==0) //if file always exist
     {
      cout<<"\n\tNo Books In Library !!!";
      lib.close();
      mem.close();
      getch();
      return 0;
     }
   lib.close();

 rec.open(CO.tpath, ios::in | ios::out | ios::binary);
 rec.seekg(0, ios::end);
 if(rec.tellp()==0)
    rf_state=0;
 rec.close();
 return 1;
}

void Transaction::Show(char t)
{
 if(t=='t')
 {
	printf("%s", "Bno");
	printf("%c%*s", 179, -19, "Title");
	printf("%c%s",  179, "Rno");
	printf("%c%*s", 179, -18, "Name");
	printf("%c%*s",	179, -11, "Contact");
	printf("%c%*s", 179,  -10, "Iss.Date");
	printf("%c%*s", 179,  -10, "Due.Date");

			 for(t1=0;t1< 3;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1<19;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1< 3;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1<18;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1<11;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1<10;t1++) cout<<(char)205;
	cout<<(char)216; for(t1=0;t1<10;t1++) cout<<(char)205;
 }
 else if(t=='d')
 {
	printf("%03d", bno);
	printf("%c%-19.19s",       179, title);
	printf("%c%03d",           179, reg_no);
	printf("%c%-18.18s",       179, name);
	printf("%c%11s",           179, contact);
	printf("%c%02d|%02d|%04d", 179, d_iss.dd, d_iss.mm, d_iss.yy);
	printf("%c%02d|%02d|%04d", 179, d_due.dd, d_due.mm, d_due.yy);
 }
}

void Transaction::Transact()
{

 if(Load()==0) return;

 char* list[]= {
		"Book Issue",
		"Book Return",
		"View",
		'\0'
	       };

 for(;;)
   {
    A.Menu("Library Transaction", list);
    switch(A.devices())
	  {
	   case	0: Issue(); break;
	   case	1: Ret(); break;
	   case	2: Display(); break;
	   case 27: return; //Esc
	  }
   }
}