Unbuffered I/O using MicroSoft C 3.0

[kneller at ucsfcgl.UUCP]

In article <2609 at ecsvax.UUCP> bet at ecsvax.UUCP (Bennett E. Todd III) writes:
>
>While setbuf will still be needed to get unbuffered I/O, there is a
>wondrously simple way to ensure that I/O doesn't get redirected without
>mucking about with DOS interrupts! Like so:
>
>	FILE *fopen(), *console;
>
>	console = fopen("\\dev\\con", "r");

One caveat is that the open will sometimes fail running under DOS 2.x.
DOS 3.x doesn't have this problem.
	Don Kneller
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