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‎Book Management System.c

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//......... PF Assignment 3.........//
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/* Code written By Kunwar Ahmad
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FA-20-BSE-064 G1(Section B)*/
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#include<stdio.h>
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#include<string.h>
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struct book
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{
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int bookid;
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int bookcode;
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char name[20];
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char Aname[20];
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int d, m, y;
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float price;
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int copy_in_hand;
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int copy_sold;
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};
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// Display Books in Tabular Form
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void display(struct book books[])
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{
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int i;
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printf("\n BOOKS ENTERED : \n\n"); //displaying the books with
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printf("|------------------------------------------------------------------------------------------------------------|\n");
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printf("|------------------------------------------------------------------------------------------------------------|\n");
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printf("| ID CODE NAME AUTHOR DATE PRICE STOCK SOLD |\n");
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printf("|------------------------------------------------------------------------------------------------------------|\n");
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printf("|------------------------------------------------------------------------------------------------------------|");
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for (int i = 0; i < 100; i++)
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{
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if (books[i].bookcode != 0) //deleted book will not be visible
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printf("\n| %3d | %5d | %12s | %12s | (%d/%d/%d) | %9.2f | %5d | %5d |", books[i].bookid,
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books[i].bookcode,
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books[i].name,
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books[i].Aname,
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books[i].d,
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books[i].m,
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books[i].y,
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books[i].price,
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books[i].copy_in_hand,
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books[i].copy_sold);
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}
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printf("\n--------------------------------------------------------------------------------------------------------------");
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}
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//Deleting Book
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void del(struct book books[])
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{
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int i;
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printf("\n Enter Book Code you want to delete: ");
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scanf("%d", &i);
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books[i - 1].bookcode = 0;
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printf(" Book Deleted\n");
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}
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//Searching Book
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void search(struct book books[])
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{
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int i, k, flag;
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printf("\nEnter Book Code to search : ");
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scanf("%d", &i);
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for (k = 0; k < 100; k++)
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{
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if (books[k].bookcode == i)
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{
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printf("Found Book %d. \n ", k + 1);
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flag = 0;
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break;
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}
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else
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{
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flag = 1;
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}
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}
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if (flag == 1)
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{
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printf("Book not Found.\n ");
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}
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}
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//Selling Book
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void sale(struct book books[])
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{
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int i, k, flag = 0, sale;
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printf("\nEnter Book Code to Sale : ");
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scanf("%d", &i);
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printf("\nEnter no of books you want to sale : ");
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scanf("%d", &sale);
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for (k = 0; k < 100; k++)
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{
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if (i == books[k].bookcode)
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{
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if (sale <= books[k].copy_in_hand)
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{
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books[k].copy_in_hand -= sale;
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books[k].copy_sold += sale;
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printf("%d Books at ID %d is Sold", sale, k + 1);
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}
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else
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{
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printf("Out of stock or enter less quantity\n ");
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}
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}
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}
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}
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void main()
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{
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int i, no;
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struct book books[100] = { {1,1011,"Calculus","Ahmad",10,02,2005,2000.25,45,5},
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{2,1012,"Geometry","Kunwar",10,02,2005,2200,37,13},
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{3,1013,"Calculus II","Fahad",10,02,2005,2300,35,15},
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{4,1014,"Islamiyat","Rohan",10,02,2005,2350,34,16},
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{5,1015,"English","Ali",10,02,2005,1000,37,13},
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{6,1016,"Chemistry","Saim",10,02,2005,150,25,25},
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{7,1017,"Physics","Arsalan",10,02,2005,1700,47,3},
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{8,1018,"Urdu","Faizan",10,02,2005,950,40,10},
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{9,1019,"Maths","Humayun",10,02,2005,2350,15,35},
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{10,1020,"Pak Studies","Shahzad",10,02,2005,1200,35,15},
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{0,0," "," ",0,0,0,0.0,0,0}
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};
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char option;
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int menu = 0;
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while (menu != 6) //for repetition of Menu
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{
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//Displaying Menu
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printf("\n\n\n");
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printf(" ____*********____\n\n");
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printf(" 1 - Add book\n\n");
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printf(" 2 - Display books\n\n");
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printf(" 3 - Delete book\n\n");
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printf(" 4 - Search book\n\n");
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printf(" 5 - Sale book\n\n");
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printf(" 6 - Exit\n\n");
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printf(" ____*********____\n\n\n");
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printf("\nEnter following option to perform function (1 to 6) = ");
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scanf("%d", &menu);
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if (menu == 1) //OPTION 1 To Add Book Record
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{
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printf("Enter Book Id: ");
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scanf("%d", &no);
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for (i = no - 1; i < 100; i++)
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{
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//User will enter No of Book
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books[i].bookid = no;
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printf("Book Code: ");
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scanf("%d", &books[i].bookcode);
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fflush(stdin);
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printf("Book Name: ");
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gets(books[i].name);
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fflush(stdin);
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printf("Author Name: ");
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gets(books[i].Aname);
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fflush(stdin);
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printf("Publish Date (dd/mm/yyyy) : ");
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scanf("%d/%d/%d", &books[i].d, &books[i].m, &books[i].y);
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fflush(stdin);
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printf("Book Price: ");
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scanf("%f", &books[i].price);
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fflush(stdin);
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printf("Books in hand: ");
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scanf("%d", &books[i].copy_in_hand);
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fflush(stdin);
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printf("Books Sold: ");
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scanf("%d", &books[i].copy_sold);
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fflush(stdin);
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printf("\nYou want to enter more(Y/N) :");
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scanf("%c", &option);
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if (option == 'y' || option == 'Y')
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{
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printf("Enter Book ID =");
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scanf("%d", &no);
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}
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else
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{
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break;
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}
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}
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}
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else if (menu == 2) //OPTION 2 To Display Book Record
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{
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printf("\n2-Display book \n");
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display(books);
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}
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else if (menu == 3)
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{
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del(books);
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}
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else if (menu == 4)
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{
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printf("\n4-Search book codes : \n");
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search(books);
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}
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else if (menu == 5)
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{
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sale(books);
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}
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if (menu > 6) //if user entered invalid option
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{
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printf("\n Enter a valid option.");
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}
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}
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printf("\nExited Successfully\n");
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}

‎Library Management System.c

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//......... PF Assignment 2.........//
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/* Code written By Kunwar Ahmad
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FA-20-BSE-064 G1(Section B)*/
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#include<stdio.h>
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int add_book(int books[]);
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int print_books(int books[]);
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int del_book(int books[]);
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int searchBook(int books[]);
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int sortBooks(int books[]);
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int main()
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{
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//Displaying Menu
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printf("_______________________\n");
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printf("1 - Add book code\n");
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printf("2 - Display book codes\n");
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printf("3 - Delete book code\n");
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printf("4 - Search book Code\n");
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printf("5 - Arrange book code\n");
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printf("6 - Exit\n");
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printf("_______________________\n");
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int books[20] = {0};
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int menu = 0;
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while (menu != 6) //for repetition of Menu
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{
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printf("\nEnter following option to perform function (1 to 6) = ");
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scanf("%d", &menu);
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if (menu == 1) //Comparing the options
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{
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add_book(books);
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}
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else if (menu == 2)
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{
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printf("\n2-Display book codes : \n");
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print_books(books);
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}
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else if (menu == 3)
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{
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del_book(books);
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}
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else if (menu == 4)
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{
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printf("\n4-Search book codes : \n");
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searchBook(books);
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}
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else if (menu == 5)
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{
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printf("\n5 - Arranged Book Codes : \n");
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sortBooks(books);
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}
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if (menu > 6) //if user entered invalid option
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{
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printf("Enter a valid option.");
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}
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printf("\nExited Successfully.\n\n");
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}
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return 0;
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}
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//Adding Books
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int add_book(int books[])
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{
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int i;
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printf("\nEnter 20 book codes \n\n");
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for (i = 0; i < 20; i++)
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{
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printf(" Book %d = ", i + 1); //User will enter 20 book codes
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scanf("%d", &books[i]);
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}
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return books[i];
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}
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//Printing Entered Books
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int print_books(int books[])
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{
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int i;
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printf("\n BOOKS ENTERED : \n"); //displaying the books with code
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for (int i = 0; i < 20; i++)
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{
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if (books[i] != 0) //deleted book will not be visib
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printf(" \nBook [%d] = %d", i + 1, books[i]);
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}
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return 0;
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}
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//Deleting Book
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int del_book(int books[])
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{
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int i;
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printf("\n Enter Book you want to delete: ");
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scanf("%d", &i);
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books[i - 1] = 0;
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printf(" Book Deleted\n");
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return 0;
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}
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//Searching Book
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int searchBook(int books[])
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{
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int i, k, flag;
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printf("\nEnter Book Code to search : ");
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scanf("%d", &i);
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for (k = 0; k < 20; k++)
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{
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if (books[k] == i)
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{
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printf("Found Book %d. \n ", k + 1);
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flag = 0;
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break;
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}
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else
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{
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flag = 1;
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}
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}
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if (flag == 1)
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{
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printf("Book not Found.\n ");
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}
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return 0;
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}
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//Arranging Books in ascending order
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int sortBooks(int books[])
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{
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int i, pass, k = 1, hold;
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for (pass = 1; pass < 20; pass++)
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{
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for (i = 0; i <= 20 - 2; i++)
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{
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if (books[i] > books[i + 1])
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{
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hold = books[i];
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books[i] = books[i + 1];
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books[i + 1] = hold;
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}
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}
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}
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for (i = 0; i < 20; i++) // displaying Arranged books
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{
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if (books[i] != 0)
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{
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printf("book %d- %d\n", k, books[i]);
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k++;
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}
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}
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return 0;
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}

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