pub unsafe extern "C" fn rocksdb_writebatch_singledelete_cf(
b: *mut rocksdb_writebatch_t,
column_family: *mut rocksdb_column_family_handle_t,
key: *const c_char,
klen: usize
)
pub unsafe extern "C" fn rocksdb_writebatch_singledelete_cf(
b: *mut rocksdb_writebatch_t,
column_family: *mut rocksdb_column_family_handle_t,
key: *const c_char,
klen: usize
)