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Re: [vox-tech] detecting X from within C
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Re: [vox-tech] detecting X from within C

You can review the "Hints, Tips, and Tricks" section of
Eric S. Raymond's Article at:


Brian S.

jdnewmil@dcn.davis.ca.us wrote:

> On Mon, 16 Jul 2001, Peter Jay Salzman wrote:
> > hi all,
> >
> > i have a program that has both a gtk and ncurses interface.  i'd like to have
> > main() call GTKmain() if the program is run from some kind of xterm.  and of
> > course, i'd like NCURSESmain() to execute if the program is run from a console.
> >
> > i'm clueless about how to check which environment the program is running
> > from.  how is this done from C?
> The program runs on a host, and your X terminal may be remote from that
> host.  Thus, you would have to check something in the environment of your
> process on the host, without assuming anything about whether hardware is
> local or not..  I would guess that would be the contents of the DISPLAY
> environment variable.
> ---------------------------------------------------------------------------
> Jeff Newmiller                        The     .....       .....  Go Live...
> DCN:<jdnewmil@dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live Go...
>                                       Live:   OO#.. Dead: OO#..  Playing
> Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
> /Software/Embedded Controllers)               .OO#.       .OO#.  rocks...2k
> ---------------------------------------------------------------------------

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