I made the same as on link https://github.com/Neargye/hello_tf_c_api
I needed to run a .pb file with tensorflow model for this reason I dowloaded my pb file to /models/saved_model.pb, added it to CMakeLists.txt
configure_file(models/saved_model.pb ${CMAKE_CURRENT_BINARY_DIR}/saved_model.pb COPYONLY)
After that I added inputs, which have to be added to layers with curtain name
Names of layers and dimensions of expected inputs and outputs u can find using
saved_model_cli show --dir=/path/to/model/dir --all
In my example I have 3 inputs and 2 outputs