-.B memcached_return_t memcached_increment_with_initial_by_key (memcached_st *ptr, const char *master_key, size_t master_key_length, const char *key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t *value);
+.B memcached_return_t memcached_increment_with_initial_by_key (memcached_st *ptr, const char *group_key, size_t group_key_length, const char *key, size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t *value);