
void help(void)
{
        printf("\n   The action codes are:\n");
        printf("\t           Exit - Exit this program\n");
        printf("\t           Help - Produce this help message\n");
        printf("\t       Add node - Add a new node to the list\n");
        printf("\t   Display node - Display a user-selected node\n");
        printf("\t    Remove node - Remove a user-selected node\n");
        printf("\t Dump ascending - Show all nodes in ascending order\n");
        printf("\tDump descending - Show all nodes in descending order\n");
        printf("\t    Count nodes - Count the number of nodes\n");
}

