libusb-compat-0.1.3/examples/lsusb.c

/*
 * libusb-0.1 example program
 * Copyright (C) 2008 Daniel Drake <dsd@gentoo.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <stdio.h>
#include <usb.h>

int main(void)
{
	struct usb_bus *busses;
	struct usb_bus *bus;

	usb_init();
	usb_find_busses();
	usb_find_devices();

	busses = usb_get_busses();
	for (bus = busses; bus; bus = bus->next) {
		struct usb_device *dev;
		for (dev = bus->devices; dev; dev = dev->next) {
			printf("%04x:%04x\n",
				dev->descriptor.idVendor, dev->descriptor.idProduct);
		}
	}

	return 0;
}