Returns whether or not the system has a network link
Checks whether or not the system has a network hardware link. Status is returned via STDOUT and return value, 0 for no, 1 for yes.
Written by Sun Microsystems. Modified by Jeff Walter
Report bugs to <[email protected]>.
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.