NUM_DISKS
disks = malloc (NUM_DISKS * sizeof (*disks));
for (i = 0; i < NUM_DISKS; i++)
for (i = 0; i < NUM_DISKS; i ++)
*map = malloc (NUM_DISKS * sizeof (char *));
for (i = 0; i < NUM_DISKS; i++)
for (i = 0; i < NUM_DISKS; i++)