Man pages matching name memcached_generate_hash_value in section 3:

memcached_generate_hash_value.3.en	debian 10 / libmemcached-dev
memcached_generate_hash_value.3.en	debian 11 / libmemcached-dev
memcached_generate_hash_value.3.en	debian 12 / libmemcached-dev