Function librocksdbsys::crocksdb_delete_range_cf

pub unsafe extern "C" fn crocksdb_delete_range_cf(
    db: *mut DBInstance, 
    writeopts: *const DBWriteOptions, 
    cf: *mut DBCFHandle, 
    begin_key: *const u8, 
    begin_keylen: size_t, 
    end_key: *const u8, 
    end_keylen: size_t, 
    err: *mut *mut c_char
)