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UsrInPtr Pointer to USR: Input Driver
UsrInPtr [TP]
Turbo Pascal supports the predefined device USR:, both as a filename
and as a predefined file variable. Input for this device is handled
through the function UsrIn : Char, which simply makes MS-DOS system
call 8. You can declare your own function UsrIn, then assign its
address to UsrInPtr; this makes your function the new input driver for
the USR: device.
-------------------------------- Example ---------------------------------
UsrInPtr := Ptr(MyUsrIn);
See Also:
USR
UsrOutPtr
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