Showing posts with label GAS AGENCY PROJECT IN C. Show all posts
Showing posts with label GAS AGENCY PROJECT IN C. Show all posts

Tuesday, 24 February 2015

GAS AGENCY PROJECT IN C


#include <stdio.h>
#include <conio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <dos.h>

struct booking
   {
      long int consno;
      char consname[50];
      char cylntype;
      long int noofcyln;
      char bookingdate[30];
   };
struct price
   {
      char cylntype;
      float price;
   };
struct custmast
   {
      long int consno;
      char consname[50];
      char consadd1[150];
      long int pincode;
      long int telephone;
      char dateofcon[30];
      long int noofcyln;
      char cylntype;
   };
struct stock
   {
      char arrivaldate[30];
      char consname[50];
      long int ccommercial;
      long int cdomestic;
      long int scommercial;
      long int sdomestic;
      long int ncommercial;
      long int ndomestic;
   };
struct transaction
   {
      long int consno;
      char consname[50];
      char dateofcon[150];
      char address[150];
      long int pincode;
      long int telephone;
      long int sino;
      long int noofcyln;
      char cylntype;
      char bookingdate[30];
      char releaseddate[30];
      char remark[200];
   };


void Introduction();
void MainMenu();
void CustomerEntry();
void StockEntry();
void Transaction();
void Report();
void Booking();
void Price();
void CEAddition();
void CEModification();
void CEDeletion();
void CEView();
void BAddition();
void BView();
void BModification();
void BDeletion();
void StockEntry();
void CustomerReport();
void DailyTransactionReport();
void WeeklyTransactionReport();
void Price();
void PWork();
void PView();
void Transaction();
void printline();
void Hashline();
void Percentline();
void Addline();

void main()
{
    highvideo();
    Introduction();
    MainMenu();
    getch();
}


void Introduction()
{
   clrscr();
   printf("\n\n\n\t\t\t ANUSHA GAS AGENCY ");
   printf("\n\n\t\t\t  CHEYYAR-604407             \n");
   Percentline();
   printf("\n\t\t\t WELCOME ");
   printf("\n\n\t\t\t\t TO ");
   printf("\n\n\n\t\t\t\t\tOUR AGENCY \n");
   Percentline();
   printf("\n\n\n\t\t\t Press A Key To Continue ");
   getch();
   return;
}

void MainMenu()
{
    int ch,i=0;
    MENU:
    clrscr();
    printline();
    printf("\t\t\t\t MAIN MENU SCREEN ");
    printline();
    printf("\n\n\n");
    printf("\n\t\t\t 1.Customer Entry.   ");
    printf("\n\t\t\t 2.Stock Entry.      ");
    printf("\n\t\t\t 3.Transaction.      ");
    printf("\n\t\t\t 4.Booking.          ");
    printf("\n\t\t\t 5.Price.            ");
    printf("\n\t\t\t 6.Report.           ");
    printf("\n\t\t\t 7.Exit.             ");
    CHOICE:
printf("\n\n\n\n\n\tEnter your choice        : ");
scanf("%d",&ch);
if(ch<1 || ch>7)
  goto CHOICE;

    switch(ch)
      {
case 1:
   CustomerEntry();
   break;
case 2:
   StockEntry();
   break;
case 3:
   Transaction();
   break;
case 4:
   Booking();
   break;
case 5:
   Price();
   break;
case 6:
   Report();
   break;
case 7:
   exit(0);
       }
      goto MENU;
}


void CustomerEntry()
{
    int ch,i;
    MENU:
    clrscr();
    printline();
    printf("\t\t\t\t CUSTOMER ENTRY SCREEN ");
    printline();
    printf("\n\n\n\t\t\t 1.Addition.");
    printf("\n\t\t\t 2.Modification.");
    printf("\n\t\t\t 3.Deletion.");
    printf("\n\t\t\t 4.View.");
    printf("\n\t\t\t 5.Previous Menu.");
    CHOICE:
       printf("\n\n\n\n\n\t Enter your Choice    : ");
       scanf("%d",&ch);
       if(ch<1 || ch>5)
  goto CHOICE;
     switch(ch)
      {
case 1:
  CEAddition();
  break;
case 2:
  CEModification();
  break;
case 3:
  CEDeletion();
  break;
case 4:
  CEView();
  break;
case 5:
  MainMenu();
      }
     goto MENU;
}


void Booking()
{
   int ch,i;
   MENU:
   clrscr();
   printline();
   printf("\t\t\t\t BOOKING SCREEN ");
   printline();
   printf("\n\n\n\t\t\t    1.Addition .");
   printf("\n\t\t\t    2.Modification.");
   printf("\n\t\t\t    3.Deletion.");
   printf("\n\t\t\t    4.View.");
   printf("\n\t\t\t    5.Previous Menu .");
   CHOICE:
      printf("\n\n\n\n\n\t Enter your choice    : ");
      scanf("%d",&ch);
      if(ch<1 || ch>5)
      goto CHOICE;

    switch(ch)
     {
case 1:
 BAddition();
 break;
case 2:
 BModification();
 break;
case 3:
 BDeletion();
 break;
case 4:
 BView();
 break;
case 5:
 MainMenu();
    }
    goto MENU;
}

void StockEntry()
{
    struct stock s;
    FILE *yu;
    yu=fopen("STOCK.DAT","r");
    if((fread(&s,sizeof(s),1,yu))==NULL)
      {
strcpy(s.consname,"");
strcpy(s.arrivaldate,"");
s.ccommercial=0;
s.cdomestic=0;
s.scommercial=0;
s.sdomestic=0;
s.ncommercial=0;
s.ndomestic=0;
fclose(yu);
yu=fopen("STOCK.DAT","w");
fwrite(&s,sizeof(s),1,yu);
fclose(yu);
      }
    clrscr();
    printline();
    printf("\t\t\t\t STOCK ENTRY SCREEN ");
    printline();
    printf("\n\n\n");
    printf("\t\t Enter the Customer Name  : ");
    fflush(stdin);
    gets(s.consname);
    printf("\n\t\t Enter the Arrival Date   : ");
    gets(s.arrivaldate);
    yu=fopen("STOCK.DAT","r");
    fread(&s,sizeof(s),1,yu);
    clrscr();
    printf("\n\n\n\n");
    printline();
    printf("\t\t\t\t CURRENT STOCK ");
    printline();
    printf("\n\t\t\t Current Commercial : %ld",s.ccommercial);
    printf("\n\n\t\t\t Current Domestic   : %ld",s.cdomestic);
    printf("\n");
    printline();
    getch();
    clrscr();
    Addline();
    printf("\t\t\t\t\t\t STOCK RECEIVED ");
    Addline();
    printf("\n\t\t\t Commercial : ");
    scanf("%ld",&s.scommercial);
    printf("\n\t\t\t Domestic   : ");
    scanf("%ld",&s.sdomestic);
    printf("\n");
    Addline();
    printf("\t\t\t\t\t NO OF DEFECTIVE STOCKS ");
    Addline();
    printf("\n\t\t\t In Commercial : ");
    scanf("%ld",&s.ncommercial);
    printf("\n\t\t\t In Domestic   : ");
    scanf("%ld",&s.ndomestic);
    Addline();
    s.ccommercial+=s.scommercial-s.ncommercial;
    s.cdomestic+=s.sdomestic-s.ndomestic;
    fclose(yu);
    yu=fopen("STOCK.DAT","w");
    fwrite(&s,sizeof(s),1,yu);
    fclose(yu);
    getch();
    fclose(yu);
    return;
}

void Price()
{
    int ch,i;
    MENU:
    clrscr();
    printline();
    printf("\t\t\t\t PRICE SCREEN");
    printline();
    printf("\n\n\n");
    printf("\n\t\t\t 1.Pwork. ");
    printf("\n\t\t\t 2.pview. ");
    printf("\n\t\t\t 3.Previous Menu.");
    CHOICE:
       printf("\n\n\n\n\n\t Enter your choice    :");
       scanf("%d",&ch);
       if(ch<1  ||  ch>3)
 goto CHOICE;
    switch(ch)
     {
case 1:
  PWork();
  break;
case 2:
  PView();
  break;
case 3:
  MainMenu();
     }
   goto MENU;
}

void Transaction()
{
    struct booking b;
    struct custmast c;
    struct stock s;
    struct transaction t;
    long int no;
    char consname1[150];
    char arrivaldate1[30];
    long int ccommercial1;
    long int cdomestic1;
    long int scommercial1;
    long int sdomestic1;
    long int ncommercial1;
    long int ndomestic1;
    FILE *B,*C,*S,*T;
    B=fopen("BOOK.DAT","rb+");
    C=fopen("GAS.DAT","rb+");
    S=fopen("STOCK.DAT","r");
    T=fopen("TRAN.DAT","ab+");
    clrscr();
    printline();
    printf("\t\t\t\t TRANSACTION SCREEN ");
    printline();
    printf("\n\n\n\t Enter a Customer Number For Transaction :");
    scanf("%ld",&no);
    while((fread(&c,sizeof(c),1,C))  !=  NULL)
      {
if(c.consno==no)
{
  t.consno=c.consno;
  strcpy(t.consname,c.consname);
  strcpy(t.address,c.consadd1);
  t.pincode=c.pincode;
  strcpy(t.dateofcon,c.dateofcon);
  t.telephone=c.telephone;
  t.noofcyln=c.noofcyln;
  t.cylntype=c.cylntype;
}
     }
    while((fread(&b,sizeof(b),1,B)) != NULL)
      {
if(b.consno==no)
{
  strcpy(t.bookingdate,b.bookingdate);
}
      }
 printf("\n\t Customer Number            : %ld",t.consno);
 printf("\n\t Customer Name              : %s",t.consname);
 printf("\n\t Customer Address           : %s",t.address);
 printf("\n\t Pincode                    : %ld",t.pincode);
 printf("\n\t Telephone Number           : %ld",t.telephone);
 printf("\n\t Date Of Connection         : %s",t.dateofcon);
 printf("\n\t Number of the Cylinder     : %ld",t.noofcyln);
 printf("\n\t Cylinder Type              : %c",t.cylntype);
 printf("\n\t Date of Booking            : %s",t.bookingdate);
 getch();
 clrscr();
 printf("\n\n\n");
 printf("\n\t Enter the serial Number    :");
 scanf("%ld",&t.sino);
 printf("\n\t Enter the Date of Release  :");
 fflush(stdin);
 gets(t.releaseddate);
 printf("\n\t Remarks    :");
 fflush(stdin);
 gets(t.remark);
 fwrite(&t,sizeof(t),1,T);
 S=fopen("SE.DAT","r");
 fread(&s,sizeof(s),1,S);
      strcpy(arrivaldate1,s.arrivaldate);
      strcpy(consname1,s.consname);
      ccommercial1=s.ccommercial;
      cdomestic1=s.cdomestic;
      scommercial1=s.scommercial;
      sdomestic1=s.sdomestic;
      ncommercial1=s.ncommercial;
      ndomestic1=s.ndomestic;
      if (toupper(t.cylntype)=='D')
{
  cdomestic1=s.cdomestic-1;
}
      else
{
  ccommercial1=s.ccommercial-1;
}
 fclose(S);
 S =fopen("SE.DAT","w");
     strcpy(s.arrivaldate,arrivaldate1);
     strcpy(s.consname,consname1);
     s.ccommercial=ccommercial1;
     s.cdomestic=cdomestic1;
     s.scommercial=scommercial1;
     s.sdomestic=sdomestic1;
     s.ncommercial=ncommercial1;
     s.ndomestic=ndomestic1;
     fwrite(&s,sizeof(s),1,S);
      fclose(T);
      fclose(B);
      fclose(C);
      fclose(S);
   return;
}

void Report()
{
   int ch,i;
   MENU:
   clrscr();
   printline();
   printf("\t\t\t\t   REPORT SCREEN     ");
   printline();
   printf("\n\n\n");
   printf("\t\t 1.Customer Report.  ");
   printf("\n\t\t 2.Daily Transation Report.");
   printf("\n\t\t 3.Weekly Report.");
   printf("\n\t\t 4.Previous Menu.");
   CHOICE:
      printf("\n\n\n\n\n\t Enter your Choice : ");
      scanf("%d",&ch);
      if(!(ch>0 && ch<5))
 goto CHOICE;
   switch(ch)
     {
case 1:
  CustomerReport();
  break;
case 2:
  DailyTransactionReport();
  break;
case 3:
  WeeklyTransactionReport();
  break;
case 4:
  MainMenu();
     }
   goto MENU;
}


void CEAddition()
{
    struct custmast r;
    FILE *eb;
    char flag;
    eb=fopen("GAS.DAT","ab+");
    clrscr();
    do
     {
printline();
printf("\t\t\t ADDITION SCREEN    ");
printline();
printf("\n\n\n Enter the following asked details ");
printf("\n\n\n\n\t  Customer Number        : ");
scanf("%ld",&r.consno);
printf("\n\t  Customer  Name         : ");
fflush(stdin);
gets(r.consname);
printf("\n\t  Customer's Address     : ");
gets(r.consadd1);
fflush(stdin);
printf("\n\t  Pin Code               : ");
scanf("%ld",&r.pincode);
printf("\n\t  Telephone Number       : ");
fflush(stdin);
scanf("%ld",&r.telephone);
printf("\n\t  Date Of Connection     : ");
fflush(stdin);
gets(r.dateofcon);
clrscr();
printf("\n\n\n");
printf("\n\t  Number of the Cylinder : ");
scanf("%ld",&r.noofcyln);
printf("\n\t  Cylinder Type          : ");
fflush(stdin);
scanf("%c",&r.cylntype);
fwrite(&r,sizeof(r),1,eb);
fflush(stdin);
puts("\n\n Add one more Records [Y/N]   : ");
flag=getchar();
clrscr();
     }while(toupper(flag)=='Y');
     fclose(eb);
   return;
}


void CEModification()
{
   struct custmast r;
   FILE *ed;
   long int no;
   char ch;
   ed=fopen("GAS.DAT","rb+");
   clrscr();
   printline();
   printf("\t\t\t MODIFICATION SCREEN      ");
   printline();
   printf("\n\n\n\t Enter the Customer Number To Modify     : ");
   scanf("%ld",&no);
   while(fread(&r,sizeof(r),1,ed)!=NULL)
    {
       if(r.consno==no)
{
 printf("\n\n\n\t Details of that Number   ");
 printf("\n\t Customer Number        : %ld",r.consno);
 printf("\n\t Customer Name          : %s",r.consname);
 printf("\n\t Customer Address       : %s",r.consadd1);
 printf("\n\t Pincode                : %ld",r.pincode);
 printf("\n\t Telephone Number       : %ld",r.telephone);
 printf("\n\t Date Of Connection     : %s",r.dateofcon);
 printf("\n\t Number of the Cylinder : %ld",r.noofcyln);
 printf("\n\t Cylinder Type          : %c",r.cylntype);
 printf("\n\n\t\t\t\t Press a Key..... ");
 getch();
 clrscr();
 printf("\n\n\n\t Enter New Details to modify  ");
 printf("\n\n\t  Customer Number        : ");
 scanf("%ld",&r.consno);
 printf("\n\t  Customer  Name         : ");
 fflush(stdin);
 gets(r.consname);
 printf("\n\t  Customer's Address     : ");
 gets(r.consadd1);
 printf("\n\t  Pin Code               : ");
 scanf("%ld",&r.pincode);
 printf("\n\t  Telephone Number       : ");
 fflush(stdin);
 scanf("%ld",&r.telephone);
 printf("\n\t  Date Of Connection     : ");
 fflush(stdin);
 gets(r.dateofcon);
 printf("\n\t  Number of the Cylinder : ");
 scanf("%ld",&r.noofcyln);
 printf("\n\t  Cylinder Type          : ");
 fflush(stdin);
 scanf("%c",&r.cylntype);
 fseek(ed,-247L,1);
 fwrite(&r,sizeof(r),1,ed);
 fflush(stdin);
 puts("\n\n\n\t\t\t Record Updated successfully  ");
 getch();
 break;
       }
   }
     if((fread(&r,sizeof(r),1,ed)) == NULL)
     {
clrscr();
printf("\n\n\n\n\n\n\n ");
printline();
printf("\n\n \t\t\t There is NO Record of that number at present.");
printf("\n\n\n\t\t\t Press a key to go to previous Menu");
printf("\n\n");
printline();
getch();
     }

  fclose(ed);
  return;
}


void CEDeletion()
{
   struct custmast r;
   FILE *eb,*temp;
   long int no;
   char ch;
   temp=fopen("TEMP.DAT","wb+");
   eb=fopen("GAS.DAT","rb+");
   clrscr();
   printline();
   printf("\t\t\t\t DELETION SCREEN  ");
   printline();
   printf("\n\n\n\t  Enter the number to be deleted : ");
   scanf("%ld",&no);

   while((fread(&r,sizeof(r),1,eb)) != '\0')
     {
if(r.consno==no)
{
  printf("\n\n");
  printf("\n Details of that Number   \n");
  printf("\n\t  Customer Number       : %ld",r.consno);
  printf("\n\t  Customer Name         : %s",r.consname);
  printf("\n\t  Customer Address      : %s",r.consadd1);
  printf("\n\t  Pincode               : %ld",r.pincode);
  printf("\n\t Telephone Number       : %ld",r.telephone);
  printf("\n\t Date Of Connection     : %s",r.dateofcon);
  printf("\n\t Number of the Cylinder : %ld",r.noofcyln);
  printf("\n\t Cylinder Type          : %c",r.cylntype);
  fflush(stdin);
  printf("\n\n Confirm to Delete this Record [y/n]  : ");
  ch=getchar();
  if(toupper(ch)!= 'Y')
    {
      fwrite(&r,sizeof(r),1,temp);
      continue;
    }
}
else
 {
   fwrite(&r,sizeof(r),1,temp);
 }
    clrscr();
    printf("\n\n\n\n\n\n\n");
    printline();
    printf("\n \t\t\t Records Deleted Successfully.");
    printf("\n\n\n\t\t\t Press a key to go to previous Menu");
    printline();
    getch();

  remove("GAS.DAT");
   rename("TEMP.DAT","GAS.DAT");
   remove("TEMP.DAT");
   fclose(eb);
   fclose(temp);
   return;
   }
}


void CEView()
{
   struct custmast r;
   FILE *as;
   char *s;
   char flag;int i=0;
   as=fopen("GAS.DAT","rb+");
   clrscr();
   while((fread(&r,sizeof(r),1,as)) != NULL)
     {
clrscr();
printline();
printf("\t\t\t\t VIEW SCREEN ");
printline();
printf("\n\n\n\t Details  :");
printf("\n\n\t\t Customer Number        : %ld",r.consno);
printf("\n\t\t Customer Name          : %s",r.consname);
printf("\n\t\t Customer Address       : %s",r.consadd1);
printf("\n\t\t Pincode                : %ld",r.pincode);
printf("\n\t\t Telephone Number       : %ld",r.telephone);
printf("\n\t\t Date Of Connection     : %s",r.dateofcon);
printf("\n\t\t Number of the Cylinder : %ld",r.noofcyln);
printf("\n\t\t Cylinder Type          : %c",r.cylntype);
getch();
     }
   if((fread(&r,sizeof(r),1,as)) == NULL)
     {
clrscr();
printf("\n\n\n\n\n\n\n");
printline();
printf("\n\n \t\t\t There is no (More) Records at present.");
printf("\n\n\n\t\t\t Press a key to go to previous Menu");
printf("\n\n\n");
printline();
getch();
     }
   fclose(as);
   return;
}

void BAddition()
{
  struct booking b;
  FILE *md;
  char flag;
  md=fopen("BOOK.DAT","ab+");
  clrscr();
  do
   {
     clrscr();
     printline();
     printf("\t\t\t\t ADDITION SCREEN \n");
     printline();
     printf("\n\t\n\n Enter the following Details");
     printf("\n\n\t Customer Number    : ");
     scanf("%ld",&b.consno);
     printf("\n\t Customer Name      : ");
     fflush(stdin);
     gets(b.consname);
     printf("\n\t Cylinder Type      : ");
     fflush(stdin);
     scanf("%c",&b.cylntype);
     printf("\n\t Number of Cylinder : ");
     scanf("%ld",&b.noofcyln);
     printf("\n\t Booking Date       : ");
     fflush(stdin);
     gets(b.bookingdate);
     fwrite(&b,sizeof(b),1,md);
     fflush(stdin);
     printf("\n Add one more Records  [y/n] : ");
     flag=getchar();
   }while(toupper (flag)=='Y');
   fclose(md);
  return;
}

void BView()
{
   struct booking b;
   FILE *sd;
   char flag;
   sd=fopen("BOOK.DAT","rb+");
   clrscr();
   while((fread(&b,sizeof(b),1,sd)) != NULL)
    {
       clrscr();
       printline();
       printf("\t\t\t\t VIEW SCREEN       \n");
       printline();
       printf("\n\n\n The details of the booked customers' \n\n\n");
       printf("\n\t\t  Customer Number     : %ld",b.consno);
       printf("\n\t\t  Customer Name       : %s",b.consname);
       printf("\n\t\t  Cylinder Type       : %c",b.cylntype);
       printf("\n\t\t  Number of Cylinder  : %ld",b.noofcyln);
       printf("\n\t\t  Date of Booking     : %s",b.bookingdate);
       getch();
    }
    if((fread(&b,sizeof(b),1,sd)) == NULL)
      {
clrscr();
printf("\n\n\n\n\n\n\n\t $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
printf("\n\n \t\t There is no (More) Records at present.");
printf("\n\n\n\t\t Press a key to go to previous Menu");
printf("\n\n\n\t $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
getch();
      }
   fclose(sd);
   return;
}

void BModification()
{
   struct booking b;
   FILE *we;
   long int no,pos;
   char ch;
   we=fopen("BOOK.DAT","rb+");
   clrscr();
   printline();
   printf("\t\t\t MODIFICATION SCREEN   \n");
   printline();
   printf("\n\n\n\t Enter the Customer Number to modify  : ");
   scanf("%ld",&no);
   while(fread(&b,sizeof(b),1,we)!=NULL)
     {
if(b.consno==no)
{
  printf("\n\n The Booking details of that Customer \n");
  printf("\n\t  Customer Number     : %ld",b.consno);
  printf("\n\t  Customer Name       : %s",b.consname);
  printf("\n\t  Cylinder Type       : %c",b.cylntype);
  printf("\n\t  Number of Cylinder  : %ld",b.noofcyln);
  printf("\n\t  Date of Booking     : %s",b.bookingdate);
  printf("\n\n\t\t\t Press a Key ....");
  getch();
  clrscr();
  printf("\n\n\n\t Enter the details to modify ");
  printf("\n\n\t Customer Number    : ");
  scanf("%ld",&b.consno);
  printf("\n\t Customer Name      : ");
  fflush(stdin);
  gets(b.consname);
  printf("\n\t Cylinder Type      : ");
  fflush(stdin);
  scanf("%c",&b.cylntype);
  printf("\n\t Number of Cylinder : ");
  scanf("%ld",&b.noofcyln);
  printf("\n\t Booking Date       : ");
  fflush(stdin);
  scanf("%s",&b.bookingdate);
  fseek(we,-89L,1);
  fwrite(&b,sizeof(b),1,we);
  puts("\n\n\n\t\t\t Records Updated Successfully ");
  getch();
}
     }
   if((fread(&b,sizeof(b),1,we)) == NULL)
      {
clrscr();
printf("\n\n\n\n\n\n\n\t $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
printf("\n\n \t\t There is no Record of that number at present.");
printf("\n\n\n\t\t Press a key to go to previous Menu");
printf("\n\n\n\t $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
getch();
      }

   fclose(we);
   return;
}

void BDeletion()
{
    struct booking b;
    FILE *be,*temp;
    long int no;
    char ch;
    temp=fopen("TEMP.DAT","wb+");
    be=fopen("BOOK.DAT","rb+");
    clrscr();
    printline();
    printf("\t\t\t DELETION SCREEN \n");
    printline();
    printf("\n\t Enter the Number to delete : ");
    scanf("%ld",&no);

    while((fread(&b,sizeof(b),1,be)) != NULL)
       {
if(b.consno==no)
  {
     printf("\n\n The details of that customers'\n\n\n");
     printf("\n\t  Customer Number     : %ld",b.consno);
     printf("\n\t  Customer Name       : %s",b.consname);
     printf("\n\t  Cylinder Type       : %c",b.cylntype);
     printf("\n\t  Number of Cylinder  : %ld",b.noofcyln);
     printf("\n\t  Date of Booking     : %s",b.bookingdate);
     fflush(stdin);
     printf("\n\n Confirm to delete this record  [y/n] : ");
     ch=getchar();
     if(toupper(ch)!='Y')
{
 fwrite(&b,sizeof(b),1,temp);
 continue;
}
 }
else
 {
   fwrite(&b,sizeof(b),1,temp);
 }
       }
    clrscr();
    printf("\n\n\n\n\n\n\n\t $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
    printf("\n\n \t\t\t Records Deleted Successfully.");
    printf("\n\n\n\t\t\t Press a key to go to previous Menu");
    printf("\n\n\n\t $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$");
    getch();
    remove("BOOK.DAT");
    rename("TEMP.DAT","BOOK.DAT");
    remove("TEMP.DAT");
    fclose(be);
    fclose(temp);
    return;
}

void PView()
{
    struct price p;
    FILE *pr;
    pr=fopen("PRICE.DAT","r");
    clrscr();
    while((fread(&p,sizeof(p),1,pr)) != NULL)
    {
       clrscr();
       printline();
       printf("\t\t\t PRICE VIEW SCREEN ");
       printline();
       printf("\n\n\n\t Cylinder Type    : %c",p.cylntype);
       printf("\n\n\t Cylinder's Price : %.2f",p.price);
       getch();
    }
    fclose(pr);
}

void PWork()
{
   struct price p;
   FILE *pr;
   char ch;
   int j=1,k=0;
   pr=fopen("PRICE.DAT","r");
   clrscr();
   printline();
   printf("\t\t\t\t PRICE ENTRY SCREEN ");
   printline();
   printf("\n\n\n");
   while((fread(&p,sizeof(p),1,pr))!=NULL)
   {
       j++;
   }
   fclose(pr);
   if(j==1)
    {
       p.cylntype='D';
       printf("\n\n Enter the amount for Domestic Cylinder : ");
       scanf("%f",&p.price);
       fclose(pr);
       pr=fopen("PRICE.DAT","w");
       fwrite(&p,sizeof(p),1,pr);
       fclose(pr);
    }
  else if(j==2)
    {
       k=1;
       pr=fopen("PRICE.DAT","a");
       p.cylntype='C';
       printf("\n\n\tEnter the price amount for Commercial Cylinder: ");
       scanf("%f",&p.price);
       fwrite(&p,sizeof(p),1,pr);
       fclose(pr);
    }
  else if(j==3)
    {
       pr=fopen("PRICE.DAT","rb+");
       printf("\n\t Select either to modify the price amount of \n\n");
       printf("\t\t\t\t domestic [d] or commercial [c] : ");
       fflush(stdin);
       scanf("%c",&ch);
       if(toupper(ch)=='D')
{
while((fread(&p,sizeof(p),1,pr))  !=  NULL)
 {
   if(toupper(p.cylntype)=='D')
    {
printf("\n\n\tEnter the price  amount for Domestic : ");
scanf("%f",&p.price);
fclose(pr);
pr=fopen("PRICE.DAT","wb+");
fwrite(&p,sizeof(p),1,pr);
fclose(pr);
    }
 }
}
      else
{
 while((fread(&p,sizeof(p),1,pr)) != NULL)
 {
   if(toupper(p.cylntype)=='C')
    {
      printf("\n\n Enter the price amount for Commercial : ");
      fflush(stdin);
      scanf("%f",&p.price);
      fclose(pr);
      pr=fopen("PRICE.DAT","wb+");
      fseek(pr,5,0);
      fwrite(&p,sizeof(p),1,pr);
      fclose(pr);
    }
 }
}
    }
  return;
}

void CustomerReport()
{
   struct transaction  t;
   struct custmast c;
   struct price p;
   long int no;
   char cyln;
   FILE *T,*C,*P;
   T=fopen("TRAN.DAT","rb+");
   C=fopen("GAS.DAT","rb+");
   P=fopen("PRICE.DAT","r");
   clrscr();
   printline();
   printf("\t\t\t CUSTOMER REPORT SCREEN     \n");
   printline();
   printf("\n\t Enter the Customer Number  : ");
   scanf("%ld",&no);
   while((fread(&t,sizeof(t),1,T))  != NULL )
   {
     if(t.consno==no)
       {
 printf("\n\t\t Customer Number : %ld",t.consno);
 printf("\n\t\t Customer Name        : %s",t.consname);
 printf("\n\t\t Customer Address : %s",t.address);
 printf("\n\t\t Pincode : %ld",t.pincode);
 printf("\n\t\t Telephone : %ld",t.telephone);
 printf("\n\t\t Cyln Type : %c",t.cylntype);
 cyln=t.cylntype;
 printf("\n\t\t Booking Date : %s",t.bookingdate);
       }
   }
   while((fread(&c,sizeof(c),1,C)) !=  NULL)
     {
       if(c.consno==no)
{
   printf("\n\t\t Number of Cylinder            : %ld",c.noofcyln);
   printf("\n\t\t Date of Connection            : %s",c.dateofcon);
}
     }
  if(cyln='D')
     {
   fread(&p,sizeof(p),1,P);
   printf("\n\t\t Cylinder's Price               : %f",120.00/*p.price*/);
     }
   else
    {
      while((fread(&p,sizeof(p),1,P))  !=  NULL)
{
 if(p.cylntype=='C')
  {
    printf("\n\t\t Price of the cylinder         : %f",p.price);
  }
       }
    }
   getch();
   fclose(T);
   fclose(P);
   fclose(C);
   return;
}

void DailyTransactionReport()
{
   struct transaction t;
   struct booking b;
   struct stock s;
   FILE *T,*B,*S;
   char *day;
   int i=0,j=0;
   T=fopen("TRAN.DAT","rb+");
   B=fopen("BOOK.DAT","rb+");
   S=fopen("STOCK.DAT","r");
   clrscr();
   printline();
   printf("\t\t DAILY TRANSACTION SCREEN  ");
   printline();

   printf("\n\n\n\tEnter the Date of Release   : ");
   scanf("%s",day);
   printf("\n\n\n");
   while((fread(&t,sizeof(t),1,T))  !=  NULL)
    {
      if(strcmp(strupr(t.releaseddate),strupr(day))==0)
       {
printf("\t\t sl.no         : %ld",t.sino);
printf("\n\t\t customer no     : %ld",t.consno);
printf("\n\t\t cyln type       : %c",t.cylntype);
printf("\n\t\t booking date    : %s",t.bookingdate);
printf("\n\t\t date of release : %s",t.releaseddate);
printf("\n\t\t remarks :%s",t.remark);
    if(t.cylntype=='D')
     {
i++;
     }
    else
     {
j++;
     }
       }
    }
   getch();
   fclose(T);

   clrscr();
   printf("\n\n\n\n DATA ABOUT RELEASED CYLINDER'S\n\n ");
   Hashline();
   printf("\n\n\t\tNo. of Cylinder Released for Domestic Purpose   :%d",i);
   printf("\n\t\tNo. of Cylinder Released for Commercial Purpose :%d",j);

   while((fread(&b,sizeof(b),1,B))  !=  NULL)
   {
      if(strcmp(strupr(b.bookingdate),strupr(day))==0)
      {
     if(b.cylntype=='D')
      {
i++;
      }
     else
      {
j++;
      }
     }
   }
   printf("\n\t\tNo. of Cylinder Booked for Domestic Purpose   :%d",i);
   printf("\n\t\tNo. of Cylinder Booked for Commercial Purpose :%d",j);
   printf("\n");
   Hashline();
   printf("\n\n\n\t\t\t Press a key to Continue...... ");
   getch();

   while((fread(&s,sizeof(s),1,S))  !=  NULL)
    {
      clrscr();
      printf("\n\t\n CURRENT NUMBER OF CYLINDERS ");
      printf("\n\n\n\n\n");
      printline();
      printf("\t\t\t Current Commercial     :%ld",s.ccommercial);
      printf("\n\t\t\t Current Domestic       :%ld",s.cdomestic);
      printline();
    }

   fclose(S);
   fclose(B);
   fclose(T);
   getch();
   return;
}

void WeeklyTransactionReport()
{
   struct transaction t;
   struct booking b;
   struct stock s;
   FILE *T,*B,*S;
   char *day;
   int i=0,j=0;
   T=fopen("TRAN.DAT","rb+");
   B=fopen("BOOK.DAT","rb+");
   S=fopen("STOCK.DAT","r");
   clrscr();
   printline();
   printf("\t\t WEEKLY TRANSACTION SCREEN  ");
   printline();

   printf("\n\n\n\tEnter the Date of Release   : ");
   scanf("%s",day);
   printf("\n\n\n");
   while((fread(&t,sizeof(t),1,T))  !=  NULL)
    {
      if(strcmp(strupr(t.releaseddate),strupr(day))==0)
       {
printf("\t\t sl.no         : %ld",t.sino);
printf("\n\t\t customer no     : %ld",t.consno);
printf("\n\t\t cyln type       : %c",t.cylntype);
printf("\n\t\t booking date    : %s",t.bookingdate);
printf("\n\t\t date of release : %s",t.releaseddate);
printf("\n\t\t remarks :%s",t.remark);
    if(t.cylntype=='D')
     {
i++;
     }
    else
     {
j++;
     }

       }
     }
   getch();
   fclose(T);
   clrscr();
   printf("\n\n\n\n DATA ABOUT RELEASED CYLINDERS' \n\n");
   printline();
   printf("\n\t\tNo. of Cylinder Released for Domestic Purpose   :%d",i);
   printf("\n\t\tNo. of Cylinder Released for Commercial Purpose :%d",j);

   while((fread(&b,sizeof(b),1,B))  !=  NULL)
   {
      if(strcmp(strupr(b.bookingdate),strupr(day))==0)
      {
     if(b.cylntype=='D')
      {
i++;
      }
     else
      {
j++;
      }
     }
   }
   printf("\n\t\tNo. of Cylinder Booked for Domestic Purpose     :%d",i);
   printf("\n\t\tNo. of Cylinder Booked for Commercial Purpose   :%d",j);
   printf("\n");
   printline();
   printf("\n\n\t\t\t\t Press a KEY to continue !!!!!!!! ");
   getch();

   while((fread(&s,sizeof(s),1,S))  !=  NULL)
    {
      clrscr();
      printf("\n\n\n\n");
      printf("\n\n\n\t CURRENT NUMBER OF CYLINDERS' \n ");
      Hashline();
      printf("\n\n");
      printf("\t\t\t Current Commercial   :%ld",s.ccommercial);
      printf("\n\t\t\t Current Domestic     :%ld",s.cdomestic);
      printf("\n");
      Hashline();
    }
   fclose(S);
   fclose(B);
   fclose(T);
   getch();
   return;
}



void printline()
{
int i;
printf("\n\t");
for(i=0;i<62;i++)
{
printf("%c",'*');
}
printf("\n");
return;
}


void Hashline()
{
int i;
printf("\n\t");
for(i=0;i<62;i++)
{
printf("%c",'#');
}
return;
}

void Percentline()
{
int i;
printf("\n\t");
for(i=0;i<62;i++)
{
printf("%c",'%');
}
return;
}

void Addline()
{
int i;
printf("\n\t");
for(i=0;i<62;i++)
{
printf("%c",'!');
}
return;
}