Man pages matching name gfs_stat_free in section 3:

gfs_stat_free.3.en	debian 11 / libgfarm-dev
gfs_stat_free.3.ja	debian 11 / libgfarm-dev
gfs_stat_free.3.en	debian 12 / libgfarm-dev
gfs_stat_free.3.ja	debian 12 / libgfarm-dev