pub unsafe extern "C" fn atg__ctc_loss_backward_out(
out__: *mut *mut C_tensor,
out_: *mut C_tensor,
grad_: *mut C_tensor,
log_probs_: *mut C_tensor,
targets_: *mut C_tensor,
input_lengths_data: *const i64,
input_lengths_len: c_int,
target_lengths_data: *const i64,
target_lengths_len: c_int,
neg_log_likelihood_: *mut C_tensor,
log_alpha_: *mut C_tensor,
blank_: i64,
zero_infinity_: c_int,
)