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| From: | Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk> |
| Newsgroups: | comp.os.msdos.djgpp |
| Subject: | Re: Detecting stdin not redirected |
| Date: | Sun, 29 Dec 2002 11:29:24 +0000 |
| Lines: | 18 |
| Message-ID: | <3E0EDC94.421FD75E@phekda.freeserve.co.uk> |
| References: | <3E0EA6CF DOT 51896D97 AT yahoo DOT com> |
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| NNTP-Posting-Date: | 29 Dec 2002 12:45:06 GMT |
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| To: | djgpp AT delorie DOT com |
| DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
| Reply-To: | djgpp AT delorie DOT com |
Hello.
CBFalconer wrote:
> With gcc and DJGPP, how can a running program detect that stdin
> has not been redirected from the keyboard? How portable is such a
> method, i.e. will it hold up for Linux? To allow for use of
> external terminals, I guess the thing wanted is to detect that
> stdin is actually a disk file (or a pipe) as opposed to a device.
[snip]
Take a look at isatty:
info libc alpha isatty
Regards,
--
Richard Dawe [ http://www.phekda.freeserve.co.uk/richdawe/ ]
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