int sod_realnet_train_init(sod_realnet_trainer **ppOut);
This routine allocate & initialize a new sod_realnet_trainer instance which will be used to train your RealNet models on the CPU via sod_realnet_train_start(). Depending on your dataset, training should take at least 18 hours to complete on a modern CPU. Once done, a RealNet model should be saved on disk and you must release all resources via sod_realnet_train_release() to avoid memory leaks.
SOD_OK is returned on success. Any other code indicates failure.