midi_seek - Seeks to the given midi_pos in the current MIDI file. Allegro game
programming library.
#include <allegro.h>
int midi_seek(int target);
Seeks to the given midi_pos in the current MIDI file. If the target is earlier
in the file than the current midi_pos it seeks from the beginning; otherwise
it seeks from the current position.
Returns zero if it could successfully seek to the requested position. Otherwise,
a return value of 1 means it stopped playing, and midi_pos is set to the
negative length of the MIDI file (so you can use this function to determine
the length of a MIDI file). A return value of 2 means the MIDI file looped
back to the start.
play_midi(3), midi_pos(3)