Computing of CRC  9 Kb
Routines for computing of 16, 32, 48 и 64 bits CRC.

Linked lists library  10 Kb
Ensures work with linked lists: Next, Prev, Insert, Append, Swap and QuickSort.

Disk drives type  20 Kb
Determines the type of each disk drive: Removable, Fixed, Local, Network, Shared, Floppy, Hard, CD-ROM, Subst-ed.