Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

in : kiss_data_feed_cb_t
in_size : kiss_data_feed_cb_t
input_count : kiss_network
inputs : kiss_network
length : kiss_vector
name : kiss_vector
net : kiss_training_session
out : kiss_data_feed_cb_t
out_size : kiss_data_feed_cb_t
output_biases : kiss_network
output_labels : kiss_network
output_mask : kiss_network
output_scalars : kiss_network
output_size : kiss_network
purpose : kiss_network
ready : kiss_network, kiss_training_session
softmax : kiss_network
user_ptr : kiss_training_session
values : kiss_vector