msf2lba
block = msf2lba((u_int)e->addr.msf.minute,
next = msf2lba((u_int)e[1].addr.msf.minute,
return play_digital(msf2lba(start_m, start_s, start_f),
msf2lba(end_m, end_s, end_f));
return msf2lba(
static u_int msf2lba(u_int, u_int, u_int);