Man pages matching name ipc in section 5:

ipc.5.en	debian 10 / manpages
ipc.5.de	debian 10 / manpages-de
ipc.5.es	debian 10 / manpages-es
ipc.5.ja	debian 10 / manpages-ja
ipc.5.pl	debian 10 / manpages-pl
ipc.5.pt	debian 10 / manpages-pt
ipc.5.zh_CN	debian 10 / manpages-zh
ipc.5.zh_TW	debian 10 / manpages-zh
ipc.5.ja	debian 11 / manpages-ja
ipc.5.pt	debian 11 / manpages-pt
ipc.5.zh_CN	debian 11 / manpages-zh
ipc.5.zh_TW	debian 11 / manpages-zh
ipc.5.zh_CN	debian 12 / manpages-zh
ipc.5.zh_TW	debian 12 / manpages-zh