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From: Micha Feigin <michf@post.tau.ac.il>
To: linux-c-programming@vger.kernel.org
Subject: Re: functions to determine dementions of console?
Date: Sun, 30 May 2004 23:35:18 +0300	[thread overview]
Message-ID: <20040530203518.GH7410@luna.mooo.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0405302056120.30001-100000@hestia>

On Sun, May 30, 2004 at 09:12:32PM +0200, J. wrote:
> On Sun, 23 May 2004, ameer armaly wrote:
> 
> > Hi all.
> > I was wondering if there are a set of functions/system calles to let me
> > know what someone's set their tty length and heighth too?  I do this
> > because I don't want to presume 80x25 in case someone's got it set
> > otherwise.
> > 

Its usually done using the environment variables in COLUMNS, AFAIK. They
appear after the first null of argv IIRC.

> > Ameer
> 
> on the console the command `stty -a` will print:
> speed 9600 baud; rows 33; columns 89; line = 0;
> ....
> ....
> etc..
> 
> For a c program have a look at the term manpage and use the settings from
> 'terminfo'
> 
> #include <stdio.h>
> #include <term.h>
> #include <ncurses.h>
> 
> int main(void) {
>  int num_rows = 0, num_columns = 0;
> 
>  setupterm(NULL, fileno(stdout), (int *)0); 
>  num_rows = tigetnum("lines");
>  num_columns = tigetnum("cols");
> 
>  printf("terminal:\ncolumns: %d\nrows %d\n", num_columns, num_rows);
> 
>  return 0;
> }
> 
> etc.....
> 
> G00dlUcK.....
> 
> Jeroen Reynders.
> 
> --
> http://www.xs4all.nl/~winnetou/
> 
> 
> -
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  reply	other threads:[~2004-05-30 20:35 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-23 23:05 functions to determine dementions of console? ameer armaly
2004-05-24  2:09 ` Glynn Clements
2004-05-26 14:41 ` Christoph Bussenius
2004-05-30 19:12 ` J.
2004-05-30 20:35   ` Micha Feigin [this message]
2004-05-31 19:38     ` Christoph Bussenius
2004-06-01  1:41       ` value computed is not used ?? J.
2004-06-01  3:25         ` Glynn Clements
2004-06-01  7:30         ` Charlie Gordon
2004-06-01 16:08           ` Charlie Gordon
2004-06-01 21:58           ` Glynn Clements
2004-06-03  1:26             ` Micha Feigin

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