get_diskinfo
get_diskinfo (i + 0x80, &geom);
if (get_diskinfo (current_drive, &geom))
if (get_diskinfo (drive, &geom))
if (get_diskinfo (boot_drive, &geom)
&& ! get_diskinfo (disk_no, &geom))
if (get_diskinfo (drive, &buf_geom))
if (get_diskinfo (current_drive, &buf_geom))
int get_diskinfo (int drive, struct geometry *geometry);