pub unsafe extern "C" fn rocksdb_compact_files(
db: *mut rocksdb_t,
options: *const rocksdb_compaction_options_t,
input_file_names: *const *const c_char,
num_input_file_names: usize,
output_level: c_int,
output_path_id: c_int,
output_file_names: *mut *mut *mut c_char,
num_output_file_names: *mut usize,
compaction_job_info: *mut rocksdb_compactionjobinfo_t,
errptr: *mut *mut c_char,
)