Man pages matching name mmv_lookup_value_desc in section 3:

mmv_lookup_value_desc.3.en	debian 10 / libpcp-mmv1-dev
mmv_lookup_value_desc.3.en	debian 11 / libpcp-mmv1-dev
mmv_lookup_value_desc.3.en	debian 12 / libpcp-mmv1-dev