RESTinio

### - b -

- back : inflate_state
- beg : inffast_ar
- bi_buf : internal_state
- bi_valid : internal_state
- bits : code, inffast_ar, inflate_state
- bl_count : internal_state
- bl_desc : internal_state
- bl_tree : internal_state
- block_start : internal_state
- body : restinio::file_upload::part_description_t, restinio::multipart_body::parsed_part_t
- buffer_size : restinio::router::impl::buffered_matcher_holder_t