* @param deviceList The vector to store device descriptors in.
* @param iBufSize The size of the deviceList buffer.
* @param strDevicePath Optional device path. Only adds device descriptors that match the given device path.
* @param deviceList The vector to store device descriptors in.
* @param iBufSize The size of the deviceList buffer.
* @param strDevicePath Optional device path. Only adds device descriptors that match the given device path.