Function librocksdb_emerald_sys::rocksdb_get_cf

pub unsafe extern "C" fn rocksdb_get_cf(
    db: *mut rocksdb_t, 
    options: *const rocksdb_readoptions_t, 
    column_family: *mut rocksdb_column_family_handle_t, 
    key: *const c_char, 
    keylen: size_t, 
    vallen: *mut size_t, 
    errptr: *mut *mut c_char
) -> *mut c_char