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Function  44h   I/O Control for Devices (IOCTL)  Get or Set Device Information

entry AH 44h

AL 01h Set Device Information (DH must be zero for this call)

DX bits:

0 1 console input device

1 1 console output device

2 1 null device

3 1 clock device

4 1 reserved

5 0 binary mode - don't check for control chars

1 cooked mode - check for control chars

6 0 EOF - End Of File on input

7 device is character device if set, if not, EOF

is 0 if channel has been written, bits 0-5 are

block device number

12 network device

14 1 can process control strings (AL 2-5, can only be

read, cannot be set)

15 n reserved

file: /Techref/INT/21f/44sf/01.htm, 0KB, , updated: 1999/4/26 12:36, local time: 2024/7/14 21:59,

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