Here are the data structures with brief descriptions:
  hashtable | The hashtable type |
| hashtable_iter | The hashtable iterator type |
| rs_block_match | |
| rs_block_sig | Signature of a single block |
| rs_buffers_s | Description of input and output buffers |
| rs_filebuf | |
| rs_job | Of this structure are private |
| rs_op_kind_name | |
| rs_prototab_ent | |
| rs_signature | Signature of a whole file |
 rs_stats | Performance statistics from a librsync encoding or decoding operation |
