Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!hplabs!analog2!gandhi!ambarish
From: ambarish@gandhi.UUCP (Ambarish Malpani)
Newsgroups: comp.lang.c
Subject: Re: getting users' tty # into a C program
Summary: Using ttyname()
Message-ID: <386@gandhi.UUCP>
Date: 9 Mar 89 00:29:39 GMT
References: <441@lakesys.UUCP> <9794@smoke.BRL.MIL> <444@lakesys.UUCP>
Organization: Analog Design Tools Inc., Sunnyvale, CA.
Lines: 31

In article <444@lakesys.UUCP>, davek@lakesys.UUCP (Dave Kraft) writes:
> In article <9794@smoke.BRL.MIL>, gwyn@smoke.BRL.MIL (Doug Gwyn ) writes:
> > In article <441@lakesys.UUCP> davek@lakesys.UUCP (Dave Kraft) writes:
> > >I am writing a C program that need a user's tty number (i.e. tty3A).  Is there
> > >any internal/external function that can accomplish this?
> > 
> > Most UNIX systems have a ttyname() library function for doing this.
> > It doesn't work perfectly...

> Here's what I tried:
> 
> main()
> {
> 	char *name;
> 
> 	*name=ttyname();
> 	printf("%s\n", *name);
> }
> 
> Dave
> 

try:

main()
{
	char *name, *ttyname();

	name = ttyname(file_id_you_are_interested_in_eg_0_for_stdin);
	printf("%s\n", name);
}