Man pages matching name midi_loop_start in section 3alleg4:

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