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UsrOutPtr Pointer to USR: Output Driver
UsrOutPtr [TP]
Turbo Pascal supports the predefined device USR:, both as a filename
and as a predefined file variable. Output to this device is handled
through the procedure UsrOut(Ch : Char), which simply makes MS-DOS
system call 2. You can declare your own procedure UsrOut, then assign
its address to UsrOutPtr; this makes your function the new output
driver for the USR: device.
-------------------------------- Example ---------------------------------
UsrOutPtr := Ptr(MyUsrOut);
See Also:
USR
UsrInPtr
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