HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

             INT 21,44,A / IOCTL,A - Handle Local or Remote Query


       AH = 44h
       AL = 0A
       BX = handle


       on return
       AX = error code if CF set  (see DOS ERROR CODES)
       DX = device attribute word
            bit 15 = 1 if drive is remote
            bit 15 = 0 if drive is local


       - used to determine if block device is local or remote
       - returns invalid function if networking not started
       - implemented from DOS 3.1

Esc or Alt-X to exit int 21,44,a Home/PgUp/PgDn/End ←↑↓→