debug
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@ -392,6 +392,7 @@ int dev_iio_get_buffer_fd(dev_iio_t *const iio) {
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const int open_res = open(iio->dev_path, O_RDONLY);
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if (open_res < 0) {
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fprintf(stderr, "Error opening %s: %d", iio->dev_path, errno);
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return open_res;
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}
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