📱 Phonebook Management System

The Phonebook Management System is a C-based application for efficient contact management, offering features like add, delete, update, search, sort, call history tracking, and quick dial via a user-friendly console interface.

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🚀 Features

• Add Contacts: Add new contacts with a name and phone number.
• Delete Contacts: Remove contacts by name.
• Update Contact Information: Modify existing contact details.
• Search Contacts: Find a contact quickly by name.
• Sort Contacts: Sort contacts by name or phone number.
• Show All Contacts: Display the complete contact list.
• Call History: View the number of calls made to each contact.
• Quick Dial: Simulate calling a contact instantly.
• Recent Calls: Check the recent call activity.
• Data Persistence: All contacts are saved to a file (contacts.txt) for reuse in future sessions.

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🛠️ Technology Stack

• Language: C
• File Handling: Used for persistent storage of contact data.
• Standard Libraries: stdio.h, stdlib.h, and string.h.

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📂 Project Structure

• contacts.txt: Stores all contact information to ensure data is retained between sessions.
• Functions: Modularized to handle each functionality like adding, updating, or deleting contacts.

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🎯 How to Use

1. Clone the repository:

   git clone https://github.com/your-username/phonebook-management-system.git

2. Open the project in your preferred IDE (e.g., Code::Blocks, Visual Studio, etc.).
3. Compile and run the main.c file.
4. Use the menu options to interact with the system.

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💡 Key Highlights

• Modular Code: Each functionality is handled by a separate function, making the code easy to read and maintain.
• User-Friendly Interface: Intuitive menu-driven navigation with helpful prompts and feedback messages.
• File Storage: Ensures all contact data is securely saved in a file, eliminating data loss on program termination.

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🔍 Sample Menu

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
x                               PHONEBOOK MANAGEMENT                        x
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
x                               1. Add Contact                              x
x                               2. Delete Contact                           x
x                               3. Update Contact                           x
x                               4. Search Contact                           x
x                               5. Sort Contacts                            x
x                               6. Show Contacts                            x
x                               7. Show Call History                        x
x                               8. Quick Dial                               x
x                               9. Recent Call List                         x
x                              10. Exit                                     x
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

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📌 Future Enhancements

• Add import/export functionality for contacts in .csv format.
• Implement password protection for secure access.
• Enhance call history tracking with timestamps.
• Add a graphical user interface (GUI) for a more modern experience.

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📝 License

This project is open-source and available under the MIT License.

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🤝 Contributing

Contributions are welcome! Feel free to fork the repository, create a new branch, and submit a pull request with your improvements.