router solicitation and advertisement magic is used by

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

// Structure to represent a router advertisement message
struct RouterAdvertisement {
    // Fields to represent the components of the advertisement message
    // Add more fields as needed
};

// Function to handle router solicitation
void handleRouterSolicitation() {
    // Implementation for handling router solicitation
}

// Function to send router advertisement
void sendRouterAdvertisement(struct RouterAdvertisement *advertisement) {
    // Implementation for sending router advertisement
}

int main() {
    // Code for initializing and configuring the network interface
    // ...

    // Listen for router solicitation messages
    while (1) {
        // Receive router solicitation message
        // ...

        // Process the received router solicitation
        handleRouterSolicitation();

        // Create a router advertisement message
        struct RouterAdvertisement advertisement;
        // Populate the advertisement fields
        // ...

        // Send the router advertisement
        sendRouterAdvertisement(&advertisement);
    }

    return 0;
}