Man pages matching name dl_iterate_phdr in section 3:

dl_iterate_phdr.3.en	debian 10 / manpages-dev
dl_iterate_phdr.3.ja	debian 10 / manpages-ja-dev
dl_iterate_phdr.3.en	debian 11 / manpages-dev
dl_iterate_phdr.3.ja	debian 11 / manpages-ja-dev
dl_iterate_phdr.3.en	debian 12 / manpages-dev
dl_iterate_phdr.3.fr	debian 12 / manpages-fr-dev
dl_iterate_phdr.3.ja	debian 12 / manpages-ja-dev
dl_iterate_phdr.3.ru	debian 12 / manpages-ru-dev