git clone https://git.cyu.fr/blaar/blc.git
mkdir blc_build && cd blc_build  && cmake ../blc
make -j
sudo make install

cd blc/python
python3 blc_channel.py

We create a blc_channel of type unsigned char and size 3x2 on the POSIX system (shared memory)
We write 7 in column 2
We open the shared blc_channel to read it
We check that we have the same values
type UIN8 format RGB3 length 6
[0, 0, 7, 0, 0, 0]
We remove our shared memory from the system