Man pages matching name empty_string in section 3alleg4:

empty_string.3alleg4.en	debian 10 / allegro4-doc
empty_string.3alleg4.en	debian 11 / allegro4-doc
empty_string.3alleg4.en	debian 12 / allegro4-doc
empty_string.3alleg4.en	debian 13 / allegro4-doc