build_channel_array 522 tools/iio/iio_generic_buffer.c ret = build_channel_array(dev_dir_name, &channels, &num_channels); build_channel_array 548 tools/iio/iio_generic_buffer.c ret = build_channel_array(dev_dir_name, &channels, build_channel_array 68 tools/iio/iio_utils.h int build_channel_array(const char *device_dir,