Man pages matching name rotate_sprite_trans in section 3alleg4:

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