Library Management System

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Sep 28, 2024

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// Define a structure for a Book
struct Book {
    int id;
    char title[100];
    char author[100];
    int available_copies;
    struct Book *next; // Pointer to the next book in the linked list
};

// Function prototypes
void addBook(struct Book **head);
void searchBook(struct Book *head);
void issueBook(struct Book *head);
void displayBooks(struct Book *head);
void saveBooksToFile(struct Book *head);
void loadBooksFromFile(struct Book **head);
struct Book *createBook(int id, const char *title, const char *author, int copies);
void freeBookList(struct Book *head);

int main() {
    struct Book *library = NULL;  // Pointer to the head of the book list
    int choice;

    // Load books from the file when the program starts
    loadBooksFromFile(&library);

    while (1) {
        printf("\n--- Library Management Menu ---\n");
        printf("1. Add Book\n");
        printf("2. Search Book\n");
        printf("3. Issue Book\n");
        printf("4. Display All Books\n");
        printf("5. Save and Exit\n");
        printf("Enter your choice: ");
        scanf("%d", &choice);

        switch (choice) {
            case 1:
                addBook(&library);
                break;
            case 2:
                searchBook(library);
                break;
            case 3:
                issueBook(library);
                break;
            case 4:
                displayBooks(library);
                break;
            case 5:
                saveBooksToFile(library)…