readbutton - Returns the status front panel buttons
Returns the status of front panel buttons in the return value.
Written by Sun Microsystems. Modified by Jeff Walter
Report bugs to <email@example.com>.
Copyright © 2002 Sun Microsystems, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version. This library is distributed in the hope that
it will be useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
the GNU General Public License for more details.
iflink(8), iflinkstatus(8), lcd-flash(8), lcd-getip(8), lcd-
setcursor(8), lcd-swrite(8), lcd-write(8), lcd-yesno(8),