void outputClassCode(long regData) {
    fputs(" TASK 1\n", file);
    puts(" TASK 1");


    int classCode = (regData » 24) & 0xFF;
    char *classData;
    switch (classCode) {
    case 0:
        classData = "devices before classification";
        break;
    case 1:
        classData = "storage controllers";
        break;
    case 2:
        classData = "network controllers";
        break;
    case 3:
        classData = "display controllers";
        break;
    case 4:
        classData = "multimedia devices";
        break;
    case 5:
        classData = "memory controllers";
        break;
    case 6:
        classData = "bridges";
        break;
    case 7:
        classData = "communication controllers";
        break;
    case 8:
        classData = "system peripherals";
        break;
    case 9:
        classData = "input device controllers";
        break;
    case 10:
        classData = "docking stations";
        break;
    case 11:
        classData = "processors";
        break;
    case 12:
        classData = "serial bus controllers";
        break;
    case 13:
        classData = "wireless interface controllers";
        break;
    default:
        classData = "invalid class number";
        break;
    }
    fprintf(file, "Class name: %s\n", classData);
    printf( "Class name: %s\n", classData);
}