DOKK / manpages

Man pages matching name al_ustr_rfind_cstr in section 3alleg5:

al_ustr_rfind_cstr.3alleg5.en debian 10 / allegro5-doc
al_ustr_rfind_cstr.3alleg5.en debian 11 / allegro5-doc
al_ustr_rfind_cstr.3alleg5.en debian 12 / allegro5-doc