Library Management System in C

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

// Structure to represent a book
struct Book {
    int id;
    char title[100];
    char author[100];
    int available;
};

// Structure to represent a library member
struct Member {
    int id;
    char name[100];
};

// Function to add a book to the library
void addBook(struct Book books[], int *bookCount) {
    if (*bookCount >= MAX_BOOKS) {
        printf("Library is full. Cannot add more books.\n");
        return;
    }

    struct Book newBook;
    newBook.id = *bookCount + 1;

    printf("Enter Book Title: ");
    scanf("%s", newBook.title);

    printf("Enter Author: ");
    scanf("%s", newBook.author);

    newBook.available = 1; // Initially, the book is available

    books[*bookCount] = newBook;
    (*bookCount)++;

    printf("Book added successfully.\n");
}

// Function to display all books in the library
void displayBooks(struct Book books[], int bookCount) {
    if (bookCount == 0) {
        printf("No books available in the library.\n");
        return;
    }

    printf("ID\tTitle\tAuthor\tAvailable\n");
    for (int i = 0; i < bookCount; i++) {
        printf("%d\t%s\t%s\t%s\n", books[i].id, books[i].title, books[i].author, 
               books[i].available ? "Yes" : "No");
    }
}

// Function to lend a book to a library member
void lendBook(struct Book books[], int bookCount, struct Member members[], int memberCount) {
    // Implement lending logic here
}

// Function to return a book to the library
void returnBook(struct Book books[], int bookCount) {
    // Implement return logic here
}

int main() {
    struct Book books[MAX_BOOKS];
    struct Member members[MAX_MEMBERS];
    int bookCount = 0;
    int memberCount = 0;
    int choice;

    while (1) {
        printf("\nLibrary Management System Menu:\n");
        printf("1. Add Book\n");
        printf("2. Display Books\n");
        printf("3. Lend Book\n");
        printf("4. Return Book\n");
        printf("5. Exit\n");
        printf("Enter your choice: ");
        scanf("%d", &choice);

        switch (choice) {
            case 1:
                addBook(books, &bookCount);
                break;
            case 2:
                displayBooks(books, bookCount);
                break;
            case 3:
                lendBook(books, bookCount, members, memberCount);
                break;
            case 4:
                returnBook(books, bookCount);
                break;
            case 5:
                exit(0);
            default:
                printf("Invalid choice. Please try again.\n");
        }
    }

    return 0;
}