int getIpFromHostname(){

        struct hostent *he;
        struct in_addr **addr_list;

        if ((he = gethostbyname(INTERNET_HOSTNAME)) == NULL) {  // get the host info
            herror("gethostbyname");
            return 2;
        }

        // print information about this host:
        printf("Official name is: %s\n", he->h_name);
        printf("    IP addresses: ");
        addr_list = (struct in_addr **)he->h_addr_list;
        for(int i = 0; addr_list[i] != NULL; i++) {
            printf("%s ", inet_ntoa(*addr_list[i]));
        }
        printf("\n");

        return 0;

}