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library.C
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#include <stdio.h>
#include <conio.h>
#include <windows.h>
#include <time.h>
#include <stdlib.h>
#include "help.h"
#include <dos.h>
FILE *fp_add, *ftemp, *fp_issue, *fp_bill;
void blinkp();
int password();
void exiting();
char *date_time(void);
void border();
void border2();
void main_menu();
void add_book();
void add_details();
int view_books();
int search_books();
int edit_books();
int edit_details();
int delete_books();
int issue_portal();
int issuing_books(); //(char *isb->id,char*isb->quantity);
int issued_books();
void return_portal();
int returning_books();
void bill_generate();
int issued_history();
void exiting();
/************************************STRUCTRE OF BOOK DETAILS*************************/
char categories[][15] = {"Engineer", "Medical", "Art Scie", "Finance", "Comics", "Sports", "Others"};
typedef struct
{
char id[5], name[25], author[20], price[6], quantity[2], rack[5], cat[15];
} book;
book *bk = NULL, *bked = NULL;
;
/************************************END STRUCTRE OF BOOK DETAILS*************************/
/************************************STRUCTRE OF ISSUE BOOK****************************/
typedef struct
{
char id[5], std_name[15], std_id[8], quantity[2], price[6], bill_id, iss_time[5], ret_time[5];
} issue;
issue *isb = NULL, *ised=NULL;
/************************************END STRUCTRE OF ISSUE BOOK****************************/
/***********************************MAIN FUNCTION**************************************/
main()
{
system("cls");
password();
main_menu();
return 0;
}
//***********************************END MAIN FUNCTION**************************************/
//*****************************************Password**********************************/
int password()
{
password_:
int i = 0, option;
char pass[20], ch, user[10], passwd[] = "code", user_name[] = "saurabh", invalid[] = "Invalid Login Credentials.";
system("cls");
border();
gotoxy(34, 7);
printf("\x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104");
gotoxy(34, 8);
printf("%c STUDENTS %c", 260, 260);
gotoxy(34, 9);
printf("%c SEARCH BOOKS %c", 260, 260);
gotoxy(34, 10);
printf("\x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104");
gotoxy(34, 14);
printf("\x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104");
gotoxy(34, 15);
printf("%c ADMINISTRATOR %c", 260, 260);
gotoxy(34, 16);
printf("%c LOGIN %c", 260, 260);
gotoxy(34, 17);
printf("\x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104 \x104");
//getch();
gotoxy(30, 20);
printf("Press STUDENTS-S / ADMIN-A ");
blinkp();
option = getch();
if (option == 65 || option == 97)
{
label_login:
system("cls");
border();
gotoxy(42, 6);
// SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),10);
printf("LOGIN\n");
gotoxy(38, 10);
printf(" User :");
gotoxy(38, 12);
printf("Password : ");
gotoxy(30, 20);
/*gotoxy(52, 10);
do
{
ch = getch();
if (i > 0 && ch == 8)
{
pass[--i] = '\0';
printf("\b \b");
}
if (ch != 8 && ch != 13)
{
printf("%c", ch);
user[i] = ch;
i++;
}
} while (ch != 13);
user[i] = '\0';
i = 0;
fflush(stdin);
gotoxy(52, 12);
do
{
ch = getch();
if (i > 0 && ch == 8)
{
pass[--i] = '\0';
printf("\b \b");
}
if (ch != 8 && ch != 13)
{
printf("*");
pass[i] = ch;
i++;
}
} while (ch != 13);
pass[i] = '\0';*/
//if ((!strcmp(pass, passwd)) && (!strcmp(user, user_name)))
gotoxy(36, 16);
//system("color B");
printf("loging in");
blinkp();
return 0;
//else
printf("\a");
blink(invalid, 40, 14, 5);
gotoxy(40, 15);
printf("Press Enter to continue");
gotoxy(40, 16);
printf("Else press other keys to exit the application.");
if ((option = getch()) == 13)
goto label_login;
else if (option == 27)
goto password_;
else
{
system("cls");
border();
gotoxy(40, 14);
printf("Sure to close(Y/N) ");
blinkp();
if ((option = getch()) == 89 || option == 121)
exiting();
else
goto password_;
}
}
else if (option == 83 || option == 115)
{
view_books();
goto password_;
}
else if (option = 27)
{
system("cls");
border();
gotoxy(40, 14);
printf("Sure to close(Y/N) ");
blinkp();
if ((option = getch()) == 89 || option == 121)
exiting();
else
goto password_;
}
return 0;
}
/*****************************************END_PASSWORD**********************************************/
/****************************************** MAIN_MENU **********************************************/
void main_menu()
{
int i, option;
system("cls");
border();
gotoxy(62, 2);
printf("Logout-ESC");
gotoxy(25, 4);
printf("\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0");
printf(" MAIN MENU ");
printf("\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0");
gotoxy(25, 7);
printf("1 \xAF SEARCH BOOKS");
gotoxy(25, 9);
printf("2 \xAF BOOK ISSUE PORTAL ");
gotoxy(25, 11);
printf("3 \xAF BOOK RETURN PORTAL");
gotoxy(25, 13);
printf("4 \xAF ISSUED BOOK DETAILS");
gotoxy(25, 15);
printf("5 \xAF ADD BOOK DETAILS");
gotoxy(25, 17);
printf("6 \xAF EDIT BOOK DETAILS");
gotoxy(25, 19);
printf("Choose valid option ");
label_1:
blinkp();
option = getch();
switch (option)
{
case 49:
view_books();
break;
case 50:
issue_portal();
break;
case 51:
return_portal();
break;
case 52:
issued_books();
break;
case 53:
add_book();
break;
case 54:
edit_books();
break;
case 55:
issued_history();
break;
case 27:
password();
break;
default:
{
gotoxy(45, 19);
printf(" ");
gotoxy(25, 20);
printf("Invalid");
blinkp();
printf("Try Again");
delay(500);
gotoxy(25, 20);
printf(" ");
gotoxy(45, 19);
goto label_1;
}
}
main_menu();
}
/*******************************************END Main_menu *****************************************/
/****************************************ADD BOOK DETAILS******************************************/
void add_book()
{
int i, option;
system("cls");
border();
gotoxy(29, 29);
printf("BACK-ESC");
gotoxy(25, 4);
printf("\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0");
printf(" CATEGORIES ");
printf("\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0\xB0");
gotoxy(25, 7);
printf("1 \xAF Engineering");
gotoxy(25, 9);
printf("2 \xAF Medical");
gotoxy(25, 11);
printf("3 \xAF Art Science");
gotoxy(25, 13);
printf("4 \xAF Finance");
gotoxy(25, 15);
printf("5 \xAF Comics");
gotoxy(25, 17);
printf("6 \xAF Sports");
gotoxy(25, 19);
printf("7 \xAF Others");
gotoxy(25, 21);
printf("Choose valid option ");
label_1:
blinkp();
option = getch();
if (option > 48 && option < 56)
{
add_detail_label:
add_details();
fp_add = fopen("Libraraymanage.txt", "ab+");
strcpy(bk->cat, categories[option - 49]);
fwrite(bk, sizeof(book), 1, fp_add);
// fwrite(cat,sizeof(categories[option-1]),1,fp_add);
fclose(fp_add);
free(bk);
gotoxy(29, 19);
printf("Data Saved");
gotoxy(26, 20);
printf("Want to add more(Y/N) ");
//printf("%s",bk->cat);
lable2:
blinkp();
option = getch();
if (option == 89 || option == 120)
{
system("cls");
goto add_detail_label;
}
else if (option == 78 || option == 110)
{
add_book();
}
else
{
gotoxy(48, 20);
printf(" ");
gotoxy(25, 22);
printf("Invalid");
blinkp();
printf("Try Again");
delay(500);
gotoxy(25, 22);
printf(" ");
gotoxy(48, 20);
goto lable2;
}
}
else if (option == 27)
main_menu();
// else if(option == _DEL)
//system("exit");
else
{
gotoxy(45, 21);
printf(" ");
gotoxy(25, 22);
printf("Invalid");
blinkp();
printf("Try Again");
delay(500);
gotoxy(25, 22);
printf(" ");
gotoxy(46, 21);
goto label_1;
}
}
/****************************************END ADD BOOK DETAILS***********************************/
/***************************************ADD BOOK DETAILS****************************************/
void add_details()
{
char integer[5];
bk = (book *)malloc(sizeof(book));
fflush(stdin);
system("cls");
border();
gotoxy(29, 29);
printf("BACK-ESC");
gotoxy(27, 4);
printf("\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7");
printf(" ADD BOOK DETAILS ");
printf("\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7");
gotoxy(25, 7);
printf("1 \xAF Book id : ");
gotoxy(25, 9);
printf("2 \xAF Name : ");
gotoxy(25, 11);
printf("3 \xAF Author : ");
gotoxy(25, 13);
printf("4 \xAF Price : ");
gotoxy(25, 15);
printf("5 \xAF Quantity : ");
gotoxy(25, 17);
printf("6 \xAF Rack NO. : ");
fflush(stdin);
label5:
gotoxy(42, 7);
gets(bk->id);
fp_add = fopen("Libraraymanage.txt", "rb+");
bked = (book *)malloc(sizeof(book));
while (fread(bked, sizeof(book), 1, fp_add) == 1)
{
if (!strcmp(bked->id, bk->id))
{
blink("Already Exist", 49, 7, 3);
gotoxy(49, 7);
printf(" ");
gotoxy(42, 7);
printf(" ");
goto label5;
}
}
fclose(fp_add);
free(bked);
//getinput();
gotoxy(42, 9);
gets(bk->name);
gotoxy(42, 11);
gets(bk->author);
gotoxy(42, 13);
gets(bk->price);
gotoxy(42, 15);
gets(bk->quantity);
gotoxy(42, 17);
gets(bk->rack);
}
/**************************************END ADD BOOK DETAILS********************************/
/************************************** VIEW BOOKS ****************************************/
int view_books()
{
view_books_lable:
int j, SNo = 0, option;
system("cls");
border2();
gotoxy(29, 29);
printf("BACK-ESC");
gotoxy(34, 4);
printf("\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7");
printf(" VIEW BOOKS ");
printf("\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7");
gotoxy(19, 7);
printf("SN. Id Title Author Price Quantity Category Rack");
j = 9;
fp_add = fopen("Libraraymanage.txt", "rb+");
bk = (book *)malloc(sizeof(book));
while (fread(bk, sizeof(book), 1, fp_add) == 1)
{
gotoxy(19, j);
printf("%d.", ++SNo);
gotoxy(24, j);
printf("%s", bk->id);
gotoxy(33, j);
printf("%s", bk->name);
gotoxy(47, j);
printf("%s", bk->author);
gotoxy(58, j);
printf("%s", bk->price);
gotoxy(65, j);
printf("%s", bk->quantity);
gotoxy(74, j);
printf("%s", bk->cat);
gotoxy(85, j);
printf("%s", bk->rack);
j++;
}
fclose(fp_add);
free(bk);
gotoxy(38, 26);
printf("Press BACK-ESC / SEARCH-F ");
search_books_label:
blinkp();
option = getch();
if (option == 27)
return 0;
if (option == 70 || option == 102)
{
gotoxy(38, 26);
printf(" ");
search_books();
}
goto view_books_lable;
gotoxy(70, 26);
printf(" ");
gotoxy(40, 27);
printf("Invalid");
blinkp();
printf("Try Again");
blinkp();
gotoxy(40, 27);
printf(" ");
gotoxy(70, 26);
goto search_books_label;
}
/**************************************END VIEW BOOKS ****************************************/
/*********************************** SEARCHING DETAILS *********************************/
int search_books()
{
char idk[10], option;
int SNo = 0, j, x, y;
lable8:
gotoxy(30, 26);
printf("Enter book id/name/author/category ");
blinkp();
gets(idk);
gotoxy(30, 26);
printf(" ");
//system("cls");
//gotoxy(19, 7);
//printf("SN. Id Title Author Price Quantity Category Rack");
j = 9;
for (x = 9; x < 19; x++)
{
gotoxy(19, x);
for (y = 19; y < 88; y++)
{
printf(" ");
}
//printf("\n");
}
fp_add = fopen("Libraraymanage.txt", "rb+");
bk = (book *)malloc(sizeof(book));
while (fread(bk, sizeof(book), 1, fp_add) == 1)
{
if (strstr(bk->id, idk) || strstr(bk->name, idk) || strstr(bk->author, idk) || strstr(bk->cat, idk))
{
gotoxy(19, j);
printf("%d.", ++SNo);
gotoxy(24, j);
printf("%s", bk->id);
gotoxy(33, j);
printf("%s", bk->name);
gotoxy(47, j);
printf("%s", bk->author);
gotoxy(58, j);
printf("%s", bk->price);
gotoxy(65, j);
printf("%s", bk->quantity);
gotoxy(74, j);
printf("%s", bk->cat);
gotoxy(85, j);
printf("%s", bk->rack);
j++;
}
}
if (SNo == 0)
{
blink("Books Not Found", 44, 20, 3);
}
fclose(fp_add);
free(bk);
gotoxy(44, 26);
printf("Press ESC/Enter ");
search_books_label:
blinkp();
option = getch();
gotoxy(44, 20);
printf(" ");
if (option == 27)
return 0;
if (option == 13)
printf(" ");
goto lable8;
gotoxy(60, 26);
printf(" ");
gotoxy(40, 27);
printf("Invalid");
blinkp();
printf("Try Again");
blinkp();
gotoxy(40, 27);
printf(" ");
gotoxy(60, 26);
goto search_books_label;
}
/***********************************END SEARCHING DETAILS *********************************/
/************************************** EDIT BOOKS ****************************************/
int edit_books()
{
int j, SNo = 0, option;
lable4:
system("cls");
border2();
gotoxy(29, 29);
printf("BACK-ESC");
gotoxy(34, 4);
printf("\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7");
printf(" EDIT BOOKS ");
printf("\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7");
gotoxy(19, 7);
printf("SN. Id Title Author Price Quantity Category Rack");
j = 9;
fp_add = fopen("Libraraymanage.txt", "rb+");
bk = (book *)malloc(sizeof(book));
//printf("%d",fread(bk, sizeof(book), 1, fp_add));
while (fread(bk, sizeof(book), 1, fp_add) == 1)
{
gotoxy(19, j);
printf("%d.", ++SNo);
gotoxy(24, j);
printf("%s", bk->id);
gotoxy(33, j);
printf("%s", bk->name);
gotoxy(47, j);
printf("%s", bk->author);
gotoxy(58, j);
printf("%s", bk->price);
gotoxy(65, j);
printf("%s", bk->quantity);
gotoxy(74, j);
printf("%s", bk->cat);
gotoxy(85, j);
printf("%s", bk->rack);
j++;
}
fclose(fp_add);
free(bk);
gotoxy(35, 25);
printf("Press E to Edit / del to delete");
blinkp();
fflush(stdin);
option = getch();
fflush(stdin);
if (option == 224)
{
gotoxy(35, 25);
printf(" ");
delete_books();
goto lable4;
}
else if (option == 69 || option == 101)
{
edit_details();
goto lable4;
}
else if (option == 27)
return 0;
else
{
gotoxy(67, 25);
printf(" ");
gotoxy(36, 26);
printf("Invalid");
blinkp();
printf("Try Again");
blinkp();
gotoxy(36, 26);
printf(" ");
goto lable4;
}
system("cls");
border();
gotoxy(25, 21);
printf("Something Error");
blinkp();
printf("Press any Key");
getch();
system("cls");
password();
return 0;
}
/**************************************END EDIT BOOKS ****************************************/
/************************************** DELETE BOOKS ****************************************/
int delete_books()
{
char idk[5];
int option;
gotoxy(40, 25);
printf("Enter book id: ");
gets(idk);
fflush(stdin);
fp_add = fopen("Libraraymanage.txt", "rb+");
bk = (book *)malloc(sizeof(book));
while (fread(bk, sizeof(book), 1, fp_add) == 1)
{
if (!strcmp(bk->id, idk))
{
free(bk);
gotoxy(40, 26);
printf("Are you sure to delete(Y/N)");
label3:
gotoxy(69, 26);
blinkp();
fflush(stdin);
fflush(fp_add);
option = getch();
if (option == 89 || option == 121)
{
gotoxy(40, 26);
printf(" ");
bk = (book *)malloc(sizeof(book));
rewind(fp_add);
gotoxy(48, 26);
printf("Deleting");
while (fread(bk, sizeof(book), 1, fp_add) == 1)
{
if (strcmp(bk->id, idk))
{
printf(".");
delay(300);
printf(".");
delay(300);
printf(".");
delay(300);
ftemp = fopen("temp.txt", "ab+");
fwrite(bk, sizeof(book), 1, ftemp);
fclose(ftemp);
printf("\b\b\b \b\b\b");
}
}
fclose(ftemp);
fclose(fp_add);
free(bk);
remove("Libraraymanage.txt");
rename("temp.txt", "Libraraymanage.txt");
gotoxy(48, 26);
printf(" ");
blink("Deleted", 48, 26, 3);
gotoxy(48, 26);
printf(" ");
return 0;
}
else if (option == 78 || option == 110)
{
edit_books();
}
else
{
gotoxy(69, 26);
printf(" ");
gotoxy(40, 27);
printf("Invalid");
blinkp();
printf("Try Again");
blinkp();
gotoxy(40, 27);
printf(" ");
gotoxy(69, 26);
goto label3;
}
}
}
fclose(fp_add);
blink("Not found", 40, 26, 3);
gotoxy(40, 26);
printf(" ");
//system("cls");
return 0;
// main_menu();
//delete_books();
//fclose(fp_add);
}
/**************************************END DELETE BOOKS ****************************************/
/*********************************** EDIT BOOK DETAILS *******************************/
int edit_details()
{
char idk[5];
int option, j;
gotoxy(32, 25);
printf(" ");
gotoxy(37, 25);
printf("Enter Book id to EDIT : ");
gets(idk);
fflush(stdin);
fp_add = fopen("Libraraymanage.txt", "rb+");
bk = (book *)malloc(sizeof(book));
while (fread(bk, sizeof(book), 1, fp_add) == 1)
{
if (!strcmp(bk->id, idk))
{
system("cls");
border2();
gotoxy(29, 29);
printf("BACK-ESC");
gotoxy(34, 4);
printf("\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7");
printf(" EDIT BOOKS ");
printf("\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7\xF7");
gotoxy(19, 7);
printf("SN. Id Title Author Price Quantity Category Rack");
j = 9;
gotoxy(19, j);
printf("Old");
gotoxy(24, j);
printf("%s", bk->id);
gotoxy(33, j);
printf("%s", bk->name);
gotoxy(47, j);
printf("%s", bk->author);
gotoxy(58, j);
printf("%s", bk->price);
gotoxy(65, j);
printf("%s", bk->quantity);
gotoxy(74, j);
printf("%s", bk->cat);
gotoxy(85, j);
printf("%s", bk->rack);
free(bk);
fclose(fp_add);
// to edit
j += 4;
bked = (book *)malloc(sizeof(book));
gotoxy(24, (j - 2));
printf("You must have to Enter all details again.");
blinkp();
gotoxy(19, j);
printf("New");
gotoxy(24, j);
gets(bked->id);
gotoxy(33, j);
gets(bked->name);
gotoxy(47, j);
gets(bked->author);
gotoxy(58, j);
gets(bked->price);
gotoxy(65, j);
gets(bked->quantity);
gotoxy(74, j);
gets(bked->cat);
gotoxy(85, j);
gets(bked->rack);
//fp_add = fopen("Libraraymanage.txt", "rb+");
//bk = (book *)malloc(sizeof(book));
fp_add = fopen("Libraraymanage.txt", "rb+");
if (fp_add == NULL)
{
printf("Data File Not Found");
blinkp();
printf("Error");
blinkp();
return 0;
}
bk = (book *)malloc(sizeof(book));
//printf("%d",fread(bk, sizeof(book), 1, fp_add));
while (fread(bk, sizeof(book), 1, fp_add) == 1)
{
if (!strcmp(bk->id, idk))
{
//blink("issuing1", 21, 23, 2);
// itoa((atoi(bk->quantity) - atoi(isb->quantity)), bk->quantity, 10);
ftemp = fopen("temp1.txt", "ab+");
fwrite(bked->id, sizeof(bked->id), 1, ftemp);
fwrite(bked->name, sizeof(bked->name), 1, ftemp);
fwrite(bked->author, sizeof(bked->author), 1, ftemp);
fwrite(bked->price, sizeof(bked->price), 1, ftemp);
fwrite(bked->quantity, sizeof(bked->quantity), 1, ftemp);
//printf("%s",bk->cat);
fwrite(bked->rack, sizeof(bked->rack), 1, ftemp);
fwrite(bked->cat, sizeof(bked->cat), 1, ftemp);
//printf("%s",bk->rack);
fclose(ftemp);
continue;
}
ftemp = fopen("temp1.txt", "ab+");
//blink("issuing2", 21, 24, 2);
//printf("\b\b\b\b\b\b\b \b\b\b\b\b\b\b");
fwrite(bk, sizeof(book), 1, ftemp);
fclose(ftemp);
}
fflush(fp_add);
fclose(fp_add);
free(bk);
free(bked);
gotoxy(38, 18);
printf("Save Changes(Y/N) ");
blinkp();
back:
if ((option = getch()) == 78 || option == 110)
{
remove("temp1.txt");
}
if (option == 89 || option == 121)
{
remove("Libraraymanage.txt");
rename("temp1.txt", "Libraraymanage.txt");
}
else
{
goto back;
}
return 0;
}
}
//gotoxy(68,25);
blink("Not Found", 68, 25, 3);
return 0;
}
/***********************************END EDIT BOOK DETAILS *******************************/
//i have to add the check book id funct code in add
/**************************************** BORDER2 *************************************/
void border2()
{
int i;
gotoxy(70, 29);
printf("Copyright %c SAURABH", 260); // for making symbol 260
gotoxy(19, 2);
printf("%s", date_time());
gotoxy(19, 29);
printf("EXIT-ESC");
gotoxy(16, 1);
printf("%c", 201);
gotoxy(16, 30);
printf("%c", 200);
gotoxy(90, 30);
printf("%c", 188);
for (i = 17; i < 90; i += 1)
{
gotoxy(i, 1);
printf("%c ", 205);
}
gotoxy(90, 1);
printf("%c", 187);
for (i = 17; i < 90; i += 1)
{
gotoxy(i, 30);
printf("%c", 205);
}
for (i = 2; i < 30; i++)
{
gotoxy(16, i);
printf("%c", 186);
}
for (i = 2; i < 30; i++)
{
gotoxy(90, i);
printf("%c", 186);
}
}
/****************************************END BORDER2 *************************************/
/*********************************** ISSUE PORTAL *********************************/
int issue_portal()
{
char integer[5];
int option;
system("cls");
border();
gotoxy(34, 4);
printf("\x04 \x04 \x04 \x04 \x04 \x04 \x04 \x04 \x04 \x04");
gotoxy(34, 5);
printf("\x04 LIBRARY PORTAL \x04");
gotoxy(34, 6);
printf("\x04 \x04 \x04 \x04 \x04 \x04 \x04 \x04 \x04 \x04");
gotoxy(25, 10);
printf("\xAF Book id : ");
gotoxy(25, 12);
printf("\xAF Std Name : ");
gotoxy(25, 14);
printf("\xAF Std Id : ");
gotoxy(25, 16);
printf("\xAF Quantity : ");
gotoxy(25, 18);
printf("\xAF Price : ");
//gotoxy(25, 19);
//printf("6 \xAF Rack NO. : ");
isb = (issue *)malloc(sizeof(issue));
fflush(stdin);
label6:
gotoxy(42, 10);
fflush(stdin);
gets(isb->id);
fp_add = fopen("Libraraymanage.txt", "rb+");
bk = (book *)malloc(sizeof(book));
while (fread(bk, sizeof(book), 1, fp_add) == 1)
{
if (!strcmp(isb->id, bk->id))
{
if (atoi(bk->quantity) > 0)
{
blink("Avail ", 49, 10, 3);
printf("(%d)", atoi(bk->quantity));
gotoxy(42, 12);
fflush(stdin);
gets(isb->std_name);
gotoxy(42, 14);
fflush(stdin);
gets(isb->std_id);
label7:
gotoxy(42, 16);
fflush(stdin);
gets(isb->quantity);
if (!(atoi(isb->quantity) > 0 && atoi(isb->quantity) <= 3 && atoi(isb->quantity) <= atoi(bk->quantity)))
{