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Copyright 1991 David Jurgens |
INT 21,44,6 / IOCTL,6 - Get Input Status
AH = 44h
AL = 06
BX = handle
on return
CF = 0 if successful
= 1 if error
AX = error code if CF set (see DOS ERROR CODES)
AL = 00 if EOF (files), or not ready (char devices)
= FF if not EOF (files), or ready (char devices)
- used to determine if a file or device is ready for input
- can be used to determine EOF unless EOF caused by INT 21,42
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| Esc or Alt-X to exit |
int 21,44,6 |
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