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Displaying Source Code(s)
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School management program.
--------------------------------------------------------------------------------
Description : THE SOFTWARES IS MADE FOR MY BCA PROJECT, THIS CAN
HANDLE THE BASIC FUNCTIONINGS OF A SCHOOLS
/* ##############################
# MAIN HEADER FILES INCLUDED #
##############################
*/
#include<conio.h>
#include<stdio.h>
#include<stdlib.h>
#include<graphics.h>
#include<string.h>
#include<dos.h>
#include<ctype.h>
/* ##############################
# USER DEFINED FUNCTIOS USED #
##############################
*/
void add_rec (void); //FUNCTION TO ADD NEW RECORC
void disp_by_name(void);//FUNCTION SEARCH THE RECORD USING NAME
void disp_by_clas(void);//FUNCTION SEARCH THE RECORD USING CLASS
void edit_rec (void);//FUNCTION TO EDIT RECORC
void delete_rec (void);//FUNCTION TO DELETE RECORC
void display_all_rec (void);//FUNCTION TO DISPLALY ALL RECORDS
AT ONCE
void display_single_rec (void);//FUNCTION TO DISPLAY RECORDS ONE
BY ONE
int Pass (void); //CHCKS FOR THE ADMINISTRATOR PASSWORD
void splash (void);//FUNCTION SHOWS THE INTRODUCTION SCREEN
void search(void); //FUNCTION TO SEARCH THE RECORDS
void end_splash (void);//SHOWS THE CREDIT SCREEN
int check_user(void); //CHECKS FOR THE GENERAL USER PASSWORD
void administrator(void);// THE FUNCTION CALLED WHEN
ADMINSTRATOR LOGS IN
void user_menu(void); //THE FUNCTION CALLED WHEN GENERAL USER
LOGS IN
void add_user(void);//FUNCTION TO ADD NEW USER BY ADMINSTRATIOR
void delete_user(void);//FUNCTION TO DELETE EXISTING USER
void display_user(void);//FUNCTION DISPLAYS THE EXISTING USER
/* ##############################
# FUNCTION TO CONTROLL MOUSE #
##############################
*/
int initmouse();//FUNTTION INITIALISE THE MOUSE
void showmouseptr();//FUNTTION SHOWS THE MOUSE POINTER ON SCREEN
int restrictmouseptr(int x1,int y1,int x2,int y2);//FUNCTION
KEEPS THE MOUSER POINTER ON THE VISIBLE SCREEN
void getmousepos(int *button,int *x,int *y);//FUNTTION STATES
THE MOUSE POINTER POSITION
/* ###############################################
# THE STRUCTURES AND FILE POINTER DEFINITIONS #
###############################################
*/
union REGS i,o;
struct user //STRUCTURE FOR USERNAME AND PASSWORD
{
char username[12],userpswd[12];
};
FILE *usrptr; //USER FILE POINTER
struct user usrrec;
struct student //STRUCTURE FOR STUDENT INFORMATION
{
int rno;
char name[50],clas[50],f_name[50],ph[8],adrs[50],date[15];
char gender;
};
student rec; //Global variable of student rec
FILE *fptr; //Global variable for file
int x,y,button;
char name[12];
/*
#################################################################################
# THE MAIN FUNCTION THAT HANDLES ALL THE USER FUNCTIONS THE
EXUTION STARTSHERE #
#################################################################################
*/
void main(void)
{
fptr=fopen("student.dat","rb+");
if (fptr==NULL)
{
fptr=fopen("student.dat","wb+");
if (fptr==NULL)
{
printf("
Can't create file");
getch();
exit(1);
}
}
if (initmouse()==0)
{
closegraph();
restorecrtmode();
printf("
Mouse driver not loaded");
exit(1);
}
usrptr=fopen("userfile.dat","rb+");
if(usrptr==NULL)
{
usrptr=fopen("userfile.dat","wb+");
if(usrptr==NULL)
{
printf("SORRY CANNOT CREATE USER FILE");
return;
}// end if
}// end if
splash();
int gd=DETECT,gm,errorcode,xc,yc;
initgraph(&gd,&gm,"");//Switch to Graphic mode
errorcode = graphresult();
if (errorcode != grOk)//Returns error if Graphic mode note
started with error no.
{
printf("Graphics error: %s<BR>, grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
exit(1);
}
setbkcolor(4);
int menu=13;
char op;
while(menu==13)
{
cleardevice();
showmouseptr();
rectangle(1,1,630,470);
rectangle(6,6,626,466);
rectangle(70,55,280,80);
gotoxy(10,5);
printf("1-->LOGIN AS ADMINISTRATOR");
rectangle(70,90,280,115);
gotoxy(10,7);
printf("2-->LOGIN AS USER");
rectangle(70,125,280,150);
gotoxy(10,9);
printf("3-->EXIT");
while(!kbhit())
{
showmouseptr();
getmousepos(&button,&xc,&yc);
if (((button & 1)==1)&&(xc>70&&xc<280)&&(yc>55&&yc<80))
{
administrator();
cleardevice();
}
if (((button & 1)==1)&&(xc>70&&xc<280)&&(yc>90&&yc<115))
{
user_menu();
cleardevice();
}
if (((button & 1)==1)&&(xc>70&&xc<280)&&(yc>125&&yc<150))
{ end_splash();cleardevice();exit(0);
}
}
gotoxy(10,11);
printf("ENTER YOUR CHOICE (1 TO 3) : ");
fflush(stdin);
op=getch();
switch(op)
{
case '1': administrator(); break;
case '2': user_menu(); break;
case '3': end_splash(); break;
default: printf("Plesae Enter Only Listed Options");
}
}//end while
}
/* ###########################################################
# THE FUNCTION THAT HANDLES ADMINISTRATIOR LOGIN PASSWORD #
###########################################################
*/
void administrator(void)
{
char ch;
int c=Pass(),xc,yc;
if(c==0)
return;
int menu=13;
while (menu==13)
{
cleardevice();
for (x=68,y=3;x<=40,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" MAIN MENU ");
delay(15);
}
showmouseptr();
rectangle(1,1,630,470);
rectangle(6,6,626,466);
rectangle(160,55,400,80);gotoxy(22,5);printf("1-->ADD RECORD");
rectangle(160,90,400,115);gotoxy(22,7);printf("2-->EDIT
RECORD");
rectangle(160,120,400,145);gotoxy(22,9);printf("3-->DISPLAY
SINGLE RECORD");
rectangle(160,155,400,180);gotoxy(22,11);printf("4-->DISPLAY ALL
RECORDS");
rectangle(160,185,400,210);gotoxy(22,13);printf("5-->DELETE
RECORD");
rectangle(160,215,400,240);gotoxy(22,15);printf("6-->ADD USER");
rectangle(160,245,400,280);gotoxy(22,17);printf("7-->DISPLAY ALL
USERS");
rectangle(160,285,400,310);gotoxy(22,19);printf("8-->DELETE
USER");
rectangle(160,315,400,345);gotoxy(22,21);printf("9-->SEARCH");
rectangle(160,350,400,380);gotoxy(22,23);printf("0-->LOG OFF
ADMINISTRATOR");
gotoxy(20,25);printf(" Enter your Choice <0 TO 9> : ");
while (!kbhit())
{
showmouseptr();
getmousepos(&button,&xc,&yc);
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>55&&yc<80))
{
add_rec();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>90&&yc<115))
{
edit_rec();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>120&&yc<145))
{
display_single_rec();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>155&&yc<180))
{
display_all_rec();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>185&&yc<210))
{
delete_rec();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>215&&yc<240))
{
add_user();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>245&&yc<280))
{
display_user();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>285&&yc<310))
{
delete_user();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>315&&yc<345))
{
search();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>350&&yc<380))
{
return;
}
}
ch=getch();
switch(ch)
{
case '1':add_rec(); break;
case '2':edit_rec(); break;
case '3':display_single_rec(); break;
case '4':display_all_rec(); break;
case '5':delete_rec(); break;
case '6':add_user(); break;
case '7':display_user(); break;
case '8':delete_user(); break;
case '9':search();break;
case '0':return;
default:printf("Enter A Valid Options");
} // end switches
}// end while
}// end body of administrator
/* #########################################################
# THE FUNCTION THAT HANDLES ALL SEARCHINGS #
#########################################################
*/
void search(void)
{
char ch;
int xc,yc;
int menu=13;
while (menu==13)
{
cleardevice();
for (x=68,y=3;x<=40,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" MAIN MENU ");
delay(15);
}
showmouseptr();
rectangle(160,55,400,80);gotoxy(22,5);printf("1-->SEARCH BY
NAME");
rectangle(160,90,400,115);gotoxy(22,7);printf("2-->SEARCH BY
CLASS");
rectangle(160,120,400,145);gotoxy(22,9);printf("3-->SEARCH BY
G.R.NO.");
rectangle(160,155,400,180);gotoxy(22,11);printf("4-->EXIT");
gotoxy(22,23);printf(" Enter your Choice <1 TO 4> : ");
while (!kbhit())
{
showmouseptr();
getmousepos(&button,&xc,&yc);
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>55&&yc<80))
{
disp_by_name();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>90&&yc<115))
{
disp_by_clas();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>120&&yc<145))
{
display_single_rec();break;
}
if (((button & 1)==1)&&(xc>160&&xc<400)&&(yc>155&&yc<180))
{
return;
}
}
ch=getch();
switch(ch)
{
case '1':disp_by_name(); break;
case '2':disp_by_clas(); break;
case '3':display_single_rec(); break;
case '4':return;
} // end switches
}// end while
}// end body of administrator
/* #########################################################
# THE FUNCTION THAT SEARCHES USING THE STUDENT NAME #
#########################################################
*/
void disp_by_name(void)
{
int found=0;
char t[10];
cleardevice();
for (x=60,y=3;x<=30,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" SINGLE RECORD MENU ");
delay(15);
}
gotoxy(20,6);printf("ENTER NAME FOR SEARCHINMG > ");
gets(t);
rewind(fptr);
while (fread(&rec,sizeof(rec),1,fptr)==1)
{
if (strcmp(rec.name,t)==0)
{
cleardevice();
for (x=60,y=3;x<=30,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAYING RECORDS ");
gotoxy(x,3);printf(" USING NAME ");
delay(15);
}
found=1;
gotoxy(10,7); printf(" NAME : %s ",rec.name);
gotoxy(50,7); printf(" G.R.NO. : %d",rec.rno);
gotoxy(10,9); printf(" FATHER'S NAME : %s",rec.f_name);
gotoxy(10,11);printf(" CLASS : %s",rec.clas);
gotoxy(50,11);printf(" GENDER : %c",rec.gender);
gotoxy(10,13);printf(" RESIDENTIAL ADDRESS : %s",rec.adrs);
gotoxy(10,15);printf(" PHONE : %s",rec.ph);
gotoxy(10,17);printf(" DATE OF ADMISSION : %s",rec.date);
gotoxy(17,22);printf("PREES ANY KEY TO CONTINUE");
getch();
cleardevice();
}
}
if (found==0)
{
gotoxy(15,22);printf("RECORD NOT FOUND");
gotoxy(15,23);printf("PRESS ANY KEY TO CONTINUE");
getch();
cleardevice();
}
}
/* #########################################################
# THE FUNCTION THAT SEARCHES USING THE CLASS OF STUDENT #
#########################################################
*/
void disp_by_clas(void)
{
int found=0;
char t[5];
cleardevice();
for (x=60,y=3;x<=30,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" SINGLE RECORD MENU ");
delay(15);
}
gotoxy(20,6);printf("ENTER G.R.NO. FOR SEARCHING > ");
gets(t);
rewind(fptr);
while (fread(&rec,sizeof(rec),1,fptr)==1)
{
if (strcmp(rec.clas,t)==0)
{
cleardevice();
for (x=60,y=3;x<=30,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" SINGLE RECORD MENU ");
delay(15);
}
found=1;
gotoxy(10,7); printf(" NAME : %s ",rec.name);
gotoxy(50,7); printf(" G.R.NO. : %d",rec.rno);
gotoxy(10,9); printf(" FATHER'S NAME : %s",rec.f_name);
gotoxy(10,11);printf(" CLASS : %s",rec.clas);
gotoxy(50,11);printf(" GENDER : %c",rec.gender);
gotoxy(10,13);printf(" RESIDENTIAL ADDRESS : %s",rec.adrs);
gotoxy(10,15);printf(" PHONE : %s",rec.ph);
gotoxy(10,17);printf(" DATE OF ADMISSION : %s",rec.date);
gotoxy(17,22);printf("PREES ANY KEY TO CONTINUE");
getch();
cleardevice();
}
}
if (found==0)
{
gotoxy(15,22);printf("RECORD NOT FOUND");
gotoxy(15,23);printf("PRESS ANY KEY TO CONTINUE");
getch();
cleardevice();
}
}
/* #########################################################
# THE FUNCTION THAT HANDLES ADDITION OF RECORDS #
#########################################################
*/
void add_rec(void) //user define function
{
char t[5],ch;
cleardevice();
for (x=68,y=3;x<=38,y<=31;x--,y++)
{
gotoxy(y,3);printf("DISPLAY ");
gotoxy(x,3);printf(" ADD RECORD MENU ");
delay(15);
}
char srec;
rewind (fptr);
gotoxy(10,5); printf("ENTER G.R.NO. (1-1500) > ");
gets(t);
srec=atoi(t);
while (fread(&rec,sizeof(rec),1,fptr)==1);
{
if (srec==rec.rno)
{
gotoxy(5,23);printf("Sorry! This Record Already Exist");
gotoxy(5,24);printf("PRESS ANY KEY TO CONTINUE");
getch();
return;
}// end if
}// end while
rec.rno=atoi(t);
gotoxy(10,7);
printf("Enter Name > ");
gets(rec.name);
gotoxy(10,9); printf("ENTER FATHER'S NAME > ");
gets(rec.f_name);
gotoxy(10,11);printf("ENTER GENDER(M/F) > ");
rec.gender=getch();
if((rec.gender=='M'||rec.gender=='m')||(rec.gender=='F'||rec.gender=='f'))printf("%c",rec.gender);
gotoxy(10,13);printf("ENTER CLASS (1 to 12) > ");
gets(rec.clas);
gotoxy(10,15);printf("ENTER ADDRESS > ");
gets(rec.adrs);
gotoxy(10,17);printf("ENTER PHONE # (No. only ) > ");
gets(rec.ph);
gotoxy(10,19);printf("ENTER DATE OF ADMISSION(DD/MM/YY)> ");
gets(rec.date);
gotoxy(15,21);printf("Do You Want To Save This Record (Y/N) :
");
ch=getch();
if(ch=='Y' || ch=='y')
{
fwrite(&rec,sizeof(rec),1,fptr);
gotoxy(15,22);printf("RECORD SAVED ");
gotoxy(15,23);printf("PRESS ANY KEY TO CONTINUE");
getch();
cleardevice();
}
}
/* #########################################################
# THE FUNCTION THAT HANDLES EDITING OF RECORDS #
#########################################################
*/
void edit_rec(void)
{
int Erec=0, found=0;
char t[50],ch;
long int s;
cleardevice();
for(x=60,y=3;x>=40,y<=25;x--,y++)
{
cleardevice();
gotoxy(y,2); printf("DISPLAY EDIT");
gotoxy(x,2); printf("RECORD MENU");
delay(50);
}// end for loop
gotoxy(10,5); printf("ENTER G.R.NO. FOR EDITING : ");
gets(t); Erec=atoi(t);
rewind(fptr);
while(fread(&rec,sizeof(rec),1,fptr)==1)
{
if(rec.rno==Erec)
{
cleardevice();
found=1;
for(x=60,y=3;x>=40,y<=25;x--,y++)
{
cleardevice();
gotoxy(y,2); printf("DISPLAY EDIT");
gotoxy(x,2); printf("RECORD MENU");
delay(50);
}// end for loop
gotoxy(10,7); printf("NAME : %s ",rec.name);
gotoxy(50,7); printf("G.R.NO. : %d",rec.rno);
gotoxy(10,9); printf("FATHER'S NAME : %s",rec.f_name);
gotoxy(10,11);printf("CLASS : %s",rec.clas);
gotoxy(50,11);printf("GENDER : %c",rec.gender);
gotoxy(10,13);printf("RESIDENTIAL ADDRESS : %s",rec.adrs);
gotoxy(10,15);printf("PHONE : %s",rec.ph);
gotoxy(10,17);printf("DATE OF ADMISSION : %s",rec.date);
gotoxy(15,21);printf("DO YOU WANT TO EDIT HIS RECORD (Y/N) : ");
ch=getch();
if(ch=='y'||ch=='Y')
{
cleardevice();
for(x=60,y=3;x>=40,y<=25;x--,y++)
{
cleardevice();
gotoxy(y,2); printf("DISPLAY EDIT");
gotoxy(x,2); printf("RECORD MENU");
delay(50);
}// end for loop
char temp[4];
gotoxy(10,5);printf("ENTER G.R.NO. > ");
gets(temp); rec.rno=atoi(temp);
gotoxy(10,7); printf("Enter Name > ");
gets(rec.name);
gotoxy(10,9); printf("ENTER FATHER'S NAME > ");
gets(rec.f_name);
gotoxy(10,11);printf("ENTER GENDER(M/F) > ");
rec.gender=getche();
gotoxy(10,13);printf("Enter Class > ");
gets(rec.clas);
gotoxy(10,15);printf("ENTER ADDRESS > ");
gets(rec.adrs);
gotoxy(10,17);printf("ENTER PHONE # > ");
gets(rec.ph);
gotoxy(10,19);printf("ENTER DATE OF ADMISSION(DD/MM/YY)> ");
gets(rec.date);
s=sizeof(rec); //finding the size of rec
fseek(fptr,-s,SEEK_CUR); //setting pointer in file1
fwrite(&rec,sizeof(rec),1,fptr);
gotoxy(15,21); printf("RECORD SAVED");
gotoxy(15,23); printf("PRESS ANY KEY TO CONTINUE");
getch();
}//end if
}//end if
}//end while
if(found==0)
{
gotoxy(15,21); printf("NO RECORD FOUND");
gotoxy(15,22); printf("PRESS ANY KEY TO CONTINUE");
getch();
}
}//end body of edit user
/* #########################################################
# THE FUNCTION THAT DISPLAYS SINGLE RECORD #
#########################################################
*/
void display_single_rec(void)
{
int srec=0,found=0;
char t[5];
cleardevice();
for (x=60,y=3;x<=30,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" SINGLE RECORD MENU ");
delay(15);
}
gotoxy(20,6);printf("ENTER G.R.NO. FOR SEARCHING > ");
gets(t);srec=atoi(t);
rewind(fptr);
while (fread(&rec,sizeof(rec),1,fptr)==1)
{
if (rec.rno==srec)
{
cleardevice();
for (x=60,y=3;x<=30,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" SINGLE RECORD MENU ");
delay(15);
}
found=1;
gotoxy(10,7); printf(" NAME : %s ",rec.name);
gotoxy(50,7); printf(" G.R.NO. : %d",rec.rno);
gotoxy(10,9); printf(" FATHER'S NAME : %s",rec.f_name);
gotoxy(10,11);printf(" CLASS : %s",rec.clas);
gotoxy(50,11);printf(" GENDER : %c",rec.gender);
gotoxy(10,13);printf(" RESIDENTIAL ADDRESS : %s",rec.adrs);
gotoxy(10,15);printf(" PHONE : %s",rec.ph);
gotoxy(10,17);printf(" DATE OF ADMISSION : %s",rec.date);
gotoxy(17,22);printf("PREES ANY KEY TO CONTINUE");
getch();
cleardevice();
}
}
if (found==0)
{
gotoxy(15,22);printf("RECORD NOT FOUND");
gotoxy(15,23);printf("PRESS ANY KEY TO CONTINUE");
getch();
cleardevice();
}
}
/* ###########################################################
# THE FUNCTION THAT DISPLAYS ALL THE RECORDS AT ONCE #
###########################################################
*/
void display_all_rec(void)
{
rewind(fptr);
while(fread(&rec,sizeof(rec),1,fptr)==1)
{
cleardevice();
for (x=68,y=3;x<=38,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" All RECORD MENU ");
delay(15);
}
gotoxy(10,7);printf ("NAME : %s ",rec.name);
gotoxy(50,7);printf ("G.R.NO. : %d",rec.rno);
gotoxy(10,9);printf("FATHER'S NAME : %s",rec.f_name);
gotoxy(10,11);printf("CLASS : %s",rec.clas);
gotoxy(50,11);printf("GENDER : %c",rec.gender);
gotoxy(10,13);printf("RESIDENTIAL ADDRESS : %s",rec.adrs);
gotoxy(10,15);printf("PHONE : %s",rec.ph);
gotoxy(10,17);printf("DATE OF ADMISSION : %s",rec.date);
gotoxy(17,22);printf("PREES ANY KEY TO CONTINUE");
getch();
} //END WHILE
}// END BODY OF DISPLAY ALL RECORDS
/* #########################################################
# THE FUNCTION THAT HANDLES DELETION OF RECORDS #
#########################################################
*/
void delete_rec(void)
{
cleardevice();
int DRec=0,a,found=0;
char t[50],ch;
FILE *temp;
temp=fopen("temp.dat","wb+");
if (temp==NULL)
{
printf("
Can't create File ");
getch();
exit(1);
}
cleardevice();
for (x=68,y=3;x<=38,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" DEL RECORD MENU ");
delay(15);
}
gotoxy(5,5);printf("Enter Roll No For Deletion....>=");
gets(t);DRec=atoi(t);
rewind(fptr);
while(fread(&rec,sizeof(rec),1,fptr)==1)
{
if (rec.rno==DRec) //checking equality
{
cleardevice();
for (x=68,y=3;x<=38,y<=31;x--,y++)
{
gotoxy(y,3);printf(" DISPLAY ");
gotoxy(x,3);printf(" DEL RECORD MENU ");
delay(15);
}
found=1;
gotoxy(10,7);printf ("NAME : %s ",rec.name);
gotoxy(50,7);printf ("G.R.NO. : %d",rec.rno);
gotoxy(10,9);printf("FATHER'S NAME : %s",rec.f_name);
gotoxy(10,11);printf("CLASS : %s",rec.clas);
gotoxy(50,11);printf("GENDER : %c",rec.gender);
gotoxy(10,13);printf("RESIDENTIAL ADDRESS : %s",rec.adrs);
gotoxy(10,15);printf("PHONE : %s",rec.ph);
gotoxy(10,17);printf("DATE OF ADMISSION : %s",rec.date);
}
else
{
fwrite(&rec,sizeof(rec),1,temp);
}
}
if (found==0)
{
gotoxy(50,22);printf("SORRY NO RECORD FOUNFD");
gotoxy(50,23);printf("Press Any Key to Continue");
getch();
cleardevice();
}
else
{
gotoxy(15,23);printf("DO U WANT TO DELETE THIS RECORD.....Y/N");
ch=getche();
if (ch=='y' || ch=='Y')
{
fcloseall(); //Closing All Files
remove("student.dat");
rename("temp.dat","student.dat");
fptr=fopen("student.dat","rb+"); //Again opening Files
if (fptr==NULL)
{
fptr=fopen("student.dat","wb+");
if (fptr==NULL)
{
printf("
cant create file");
getch();
}
}
}
}
}
/* #########################################################
# THE FUNCTION THAT HANDLES & CHECKS THE PASSWORD #
#########################################################
*/
int Pass (void) //user define Function
{
int c=1; //return variable
char p[1],res[7]={'
'};
cleardevice();
gotoxy(28,12);printf("Enter Your Password....>=");
for (int a=0;(p[0]=getch())!='
';a++)
{
if (p[0]!=8)
{
setcolor(15);
res[a]=p[0];
outtextxy(420+(a*10),180,"*");
}
else
while (p[0]==8)
{
setcolor(1);
a--;
if (a<0)break;
outtextxy(420+(a*10),180,"Û");
if (p[0]!=8)
break;
}
}
if ((strcmp(res,"ss"))==0)
{
cleardevice();
int x;
gotoxy(17,10);
printf("PLEASE WAIT FOR A WHILE!! LOADING IS IN PROGRESS...");
for(x=15;x<60;x++)
{
textcolor(4);
gotoxy(x,14);printf("Û");
delay(5);
}
}
else
{
gotoxy(28,14);printf("INCORRECT PASSWORD");
gotoxy(28,15);printf("PRESS ANY KEY TO CONTINUE");
getch();
c=0;
return(c);
}
return(c);
}
/* #########################################################
# THE FUNCTION THAT HANDLES GENERAL USER MENU #
#########################################################
*/
void user_menu(void)
{
cleardevice();
int check=check_user(); //variable check confirms the existance
of user
if(check!=0)
{
gotoxy(25,14); printf("INVALID USER");
gotoxy(25,16); printf("PRESS ANY KEY TO CONTINUE");
getch();
return;
}
int menu=13;
while(menu==13)
{
cleardevice();
rewind(fptr);
char op;
gotoxy(17,2); printf("USER MENU");
gotoxy(17,3); printf("---------");
gotoxy(13,5); printf("1-->DISPLAY SINGLE RECORD");
gotoxy(13,7); printf("2-->DISPLAY ALL RECORDS");
gotoxy(13,9); printf("3-->LOG OFF %s",name);
gotoxy(13,11); printf("ENTER YOUR CHOICE <1 TO 3> : ");
op=getch();
switch(op)
{
case '1': display_single_rec(); break;
case '2': display_all_rec(); break;
case '3': cleardevice(); return;
} //end switch cases
}//end while
}//end body of user_menu
/* #########################################################
# THE FUNCTION THAT HANDLES ADDITION OF USERS #
#########################################################
*/
void add_user(void)
{
cleardevice();
rewind(usrptr);
char confirm;
gotoxy(25,2); printf("ADD USER");
gotoxy(25,3); printf("--------");
gotoxy(5,5); printf("ENTER USER NAME : "); gets(name);
strupr(name); // convert string to upper case
char *str=name;
while(fread(&usrrec,sizeof(usrrec),1,usrptr)==1)
{
char *s1=name,*s2=usrrec.username;
int check=strcmp(s1,s2);
if (check==0)
{
gotoxy(5,7); printf("USER ALREADY EXIST");
gotoxy(5,9); printf("PRESS ANY KEY TO CONTINUE");
getch();
cleardevice();
return;
}//end if
}//end while
strcpy(usrrec.username, str);
gotoxy(5,7); printf("ENTER PASSWORD : "); gets(usrrec.userpswd);
gotoxy(5,9); printf("WISH TO SAVE USER (Y/N) : ");
confirm=getche();
if((confirm=='y')||(confirm=='Y'))
{
fwrite(&usrrec,sizeof(usrrec),1,usrptr);
gotoxy(5,11); printf("USER SAVED");
gotoxy(5,13); printf("PRESS ANY KEY TO CONTINUE");
getch();
}//end if
cleardevice();
rewind(usrptr);
} //end body of adduser
/* ##########################################################
# THE FUNCTION THAT DISPLAYS THE USER OF THE SYSTEM #
##########################################################
*/
void display_user(void)
{
rewind(usrptr);
cleardevice();
gotoxy(25,2); printf("DISPLAY OF USERS");
gotoxy(25,4); printf("----------------");
while(fread(&usrrec,sizeof(usrrec),1,usrptr)==1)
{
gotoxy(10,5); printf("USER NAME : %s",usrrec.username);
gotoxy(10,7); printf("PASSWORD : %s",usrrec.userpswd);
gotoxy(10,9); printf("PRESS ANY KEY TO CONTINUE");
getch();
}//end while
cleardevice();
rewind(usrptr);
}//end body of displayuser
/* #########################################################
# THE FUNCTION THAT HANDLES DELETION OF USER #
#########################################################
*/
void delete_user(void)
{
rewind(usrptr);
cleardevice();
int a,check,found=1;
char confirm;
FILE *temp1;
temp1=fopen("temp1.dat","wb+");
if (temp1==NULL)
{
printf("
ERROR IN DELETING THE RECORD");
getch();
return;
}
gotoxy(25,2);
printf("DELETE USER");
gotoxy(25,3);
printf("-----------");
gotoxy(10,5);
printf("ENTER USER NAME FOR DELETION : ");
gets(name);
strupr(name);
rewind(usrptr);
while(fread(&usrrec,sizeof(usrrec),1,usrptr)==1)
{
char *s1=name,*s2=usrrec.username;
int check=strcmp(s1,s2);
if(check==0)
{
gotoxy(10,7); printf("ARE YOU SURE YOU WANT TO DELETE (Y/N) :
");
found=0;
} // end if
else
{
fwrite(&usrrec,sizeof(usrrec),1,temp1);
}//end else
}//end while
if(found==0)
{
confirm = getch();
if((confirm=='y')||(confirm=='Y'))
{
fcloseall(); //close all files
remove("userfile.dat");
rename("temp1.dat","userfile.dat");
gotoxy(10,9); printf("USER DELETED");
gotoxy(10,11); printf("PRESS ANY KEY TO CONTINUE");
usrptr=fopen("userfile.dat","rb+");
getch();
cleardevice();
}//end if
}//end if
else
{
gotoxy(10,7); printf("NO RECORD FOUND");
gotoxy(10,9); printf("PRESS ANY KEY TO CONTINUE");
fclose(temp1);
remove("temp1.dat");
getch();
cleardevice();
}//end else
rewind(usrptr);
}
// end body of deleteuser
/*
################################################################
# THE FUNCTION THAT HANDLES GENERAL USER LOGIN & PASSWORD #
################################################################
*/
int check_user(void)
{
int i=0,returnvar=1,checkname,checkpswd;
gotoxy(25,10); printf("ENTER USER NAME : ");
gets(name);
strupr(name);
gotoxy(25,12); printf("ENTER PASSWORD : "); //ACCEPTS THE
PASSWORD
char ch=NULL;
char pswd[12]={'
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