lock_midi - Locks all the memory used by a MIDI file. Allegro game programming library.

       Under  DOS,  locks  all  the  memory  used  by a MIDI file. You don't normally need to call this function
       because load_midi() does it for you.

       lock_midi - Locks all the memory used by a MIDI file. Allegro game programming library.

load_midi(3alleg4)

Allegro                                           version 4.4.3                               lock_midi(3alleg4)

#include<allegro.h>voidlock_midi(MIDI*midi);