Author: Cristina Opriceana <cristina.opriceana@gmail.com> This patch indends to make some cleanup and send printf error messages to stderr. The changes were performed with coccinelle for failure messages and manual for other cases, such as wrong usage messages. Signed-off-by: Cristina Opriceana Reviewed-by: Hartmut Knaack Signed-off-by: Jonathan Cameron — tools/iio/generic_buffer.c | 39 ++++++++++++++++++————— tools/iio/iio_event_monitor.c | 14 ++++++—— …