Build, train and predict model in c++

Hi, I only saw how to import a model training in python to c++, but I would like to build a model, training and predict, where I can found that information ? I am looking for but I never find nothing, thanks.

We have another topic like this at:

https://tensorflow-prod.ospodiscourse.com/t/neural-network-training-back-propagation-in-c/2283?u=bhack