hid_enumerate_with_history.c

/* Make sure this device is of Setup Class "HIDClass" and has a driver bound to it. */
i = device_index

    char driver_name[256];

    /* Populate devinfo_data. This function will return failure
       when there are no more interfaces left. */
    res = SetupDiEnumDeviceInfo(device_info_set, i, &devinfo_data);
    if (!res)
        goto cont;

    res = SetupDiGetDeviceRegistryPropertyA(device_info_set, &devinfo_data,
                   SPDRP_CLASS, NULL, (PBYTE)driver_name, sizeof(driver_name), NULL);
    if (!res)
        goto cont;

    if (strcmp(driver_name, "HIDClass") != 0) {
            goto cont;
    }