Re: Detecting a PIPE in a program

From: CBFalconer (cbfalconer_at_yahoo.com)
Date: 02/03/05 

Date: Thu, 03 Feb 2005 01:54:13 GMT

Richard Bos wrote:
> CBFalconer <cbfalconer@yahoo.com> wrote:
>
>> /* This is very likely to be non-portable */
>> /* DOES NOT check fp open for reading */
>> /* NULL fp is considered a keyboard here! */
>> static int akeyboard(FILE *fp)
>> {
>> #ifndef __TURBOC__
>> # ifdef __STDC__
>> /* This dirty operation allows gcc -ansi -pedantic */
>> extern int fileno(FILE *fp);
>> extern int isatty(int fn);
>
> Only "very likely" to be non-portable?

Yup, in the sense that it has a finite chance of failing on your
conforming system. Would you rather I claimed it to be portable,
or didn't even mention it? 

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