-static memcached_return key_printer(memcached_st *ptr __attribute__((unused)),
- const char *key, size_t key_length,
- void *context __attribute__((unused)))
+static memcached_return_t key_printer(memcached_st *ptr __attribute__((unused)),
+ const char *key, size_t key_length,
+ void *context __attribute__((unused)))