Man pages matching name papif_unregister_thread in section 3:
| PAPIF_unregister_thread.3.en | debian 10 / libpapi-dev |
| PAPIF_unregister_thread.3.en | debian 11 / libpapi-dev |
| PAPIF_unregister_thread.3.en | debian 12 / libpapi-dev |
| PAPIF_unregister_thread.3.en | debian 13 / libpapi-dev |