Function lightgbm_sys::LGBM_DatasetGetFeatureNames

pub unsafe extern "C" fn LGBM_DatasetGetFeatureNames(
    handle: DatasetHandle, 
    len: c_int, 
    num_feature_names: *mut c_int, 
    buffer_len: size_t, 
    out_buffer_len: *mut size_t, 
    feature_names: *mut *mut c_char
) -> c_int

\brief Get feature names of dataset. \param handle Handle of dataset \param len Number of char* pointers stored at out_strs. If smaller than the max size, only this many strings are copied \param[out] num_feature_names Number of feature names \param buffer_len Size of pre-allocated strings. Content is copied up to buffer_len - 1 and null-terminated \param[out] out_buffer_len String sizes required to do the full string copies \param[out] feature_names Feature names, should pre-allocate memory \return 0 when succeed, -1 when failure happens