Path: utzoo!attcan!uunet!lll-winken!lll-tis!ames!mailrus!tut.cis.ohio-state.edu!bloom-beacon!apple!dwb
From: dwb@Apple.COM (David W. Berry)
Newsgroups: comp.unix.aux
Subject: Re: Bug in console emulator
Keywords: bugs
Message-ID: <15956@apple.Apple.COM>
Date: 22 Aug 88 19:48:48 GMT
References: <121@fishpond.UUCP>
Reply-To: dwb@apple.com.UUCP (David W. Berry)
Organization: Apple Computer Inc, Cupertino, CA
Lines: 34

In article <121@fishpond.UUCP> fnf@fishpond.UUCP (Fred Fish) writes:
>The following demonstrates what looks like a problem with the
>"A/UX Initial Console Emulator".  Can anyone suggest any workarounds?
>Thanks.
>-Fred
	Nope, I'd say it looks like a problem with your test
program.  isatty and ttyname both work on a file descriptor
and your passing it a FILE structure.  Try replacing stdin with
fileno(stdin) and similar for stdout and stderr and you'll get
what you expect.
>
>----------------------------------------------------------------------
>Script started on Fri Aug 19 12:50:04 1988
>fishpond:222> cat bug.c
>#include <stdio.h>
>
>main ()
>{
>        extern char *ttyname ();
>        extern int isatty ();
>
>        printf ("isatty (stdin) = %d\n", isatty (stdin));
>        printf ("isatty (stdout) = %d\n", isatty (stdout));
>        printf ("isatty (stderr) = %d\n", isatty (stderr));
>        printf ("ttyname (stdin) = %s\n", ttyname (stdin));
>        printf ("ttyname (stdout) = %s\n", ttyname (stdout));
>        printf ("ttyname (stderr) = %s\n", ttyname (stderr));
>}


Opinions:  MINE, ALL MINE! (greedy evil chuckle)

David W. Berry
apple!dwb@sun.com	dwb@apple.com	973-5168@408.MaBell