Function parity_rocksdb::rocksdb_ffi::rocksdb_merge_cf

pub unsafe extern "C" fn rocksdb_merge_cf(
    db: *const DBInstanceOpaque, 
    writeopts: *const DBWriteOptionsOpaque, 
    cf: *const DBCFHandleOpaque, 
    k: *const u8, 
    kLen: usize, 
    v: *const u8, 
    vLen: usize, 
    err: *mut *const i8
)