//! hdfs 2.4 added no API changes.
//!
//! The diff between hdfs.h:
//!
//! ```diff
//! 749c749
//! < * @return On success, returns a new hadoopRzBuffer.
//! ---
//! > * @return On success, we will return a new hadoopRzBuffer.
//! 752a753,756
//! > * You can access the data within the hadoopRzBuffer with
//! > * hadoopRzBufferGet. If you have reached EOF, the data
//! > * within the hadoopRzBuffer will be NULL. You must still
//! > * free hadoopRzBuffer instances containing NULL.
//! 754c758
//! < * NULL plus an errno code on an error.
//! ---
//! > * On failure, we will return NULL plus an errno code.
//! ```