use midi; use os; export fn main() void = { const th = midi::hchunk { chk = midi::HEADERCHUNK, format = 0, ntrks = 1, division = 4, }; let tc = midi::newtrack(); defer midi::finishtrack(tc); midi::noteon(&tc, 0, midi::note::C); midi::noteoff(&tc, 4, midi::note::C); midi::writeheader(os::stdout, th); midi::writechunk(os::stdout, tc); };