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Copyright 1991 David Jurgens |
INT 21,44,9 / IOCTL,9 - Device Local or Remote Query
AH = 44h
AL = 09
BL = drive number (0=default, 1=A:, 2=B:, 3=C:, ...)
on return
AX = error code if CF set (see DOS ERROR CODES)
DX = device attribute word
bit 12 = 1 if drive is remote
bit 12 = 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
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| Esc or Alt-X to exit |
int 21,44,9 |
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