getting users' tty # into a C program

[Ambarish Malpani]

In article <444 at lakesys.UUCP>, davek at lakesys.UUCP (Dave Kraft) writes:
> In article <9794 at smoke.BRL.MIL>, gwyn at smoke.BRL.MIL (Doug Gwyn ) writes:
> > In article <441 at lakesys.UUCP> davek at 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);
}