# Channel table for São João Da Boa Vista - SP - Brazil # Source: http://www.portalbsd.com.br/tvterrestre/cidade/389 # Physical channel 16 (virtual 4.1) [Band Mais] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 485142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 20 (virtual 21.1) [RBI TV] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 509142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 22 (virtual 22.1) [TV União] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 521142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 24 (virtual 5.1) [SBT Ribeirão Preto] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 533142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 26 (virtual 6.1) [EPTV Central] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 545142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 27 (virtual 59.1) [TV Canção Nova] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 551142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 32 (virtual 32.1) [Rede Vida] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 581142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 38 (virtual 10.3) [TV Cultura, Univesp, Multicultura] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 617142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 46 (virtual 13.1) [Record TV Interior SP] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 665142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 # Physical channel 48 (virtual 48.1) [Rede TV!] DELIVERY_SYSTEM = ISDBT BANDWIDTH_HZ = 6000000 FREQUENCY = 677142857 INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO INVERSION = AUTO GUARD_INTERVAL = AUTO TRANSMISSION_MODE = AUTO ISDBT_LAYER_ENABLED = 7 ISDBT_SOUND_BROADCASTING = 0 ISDBT_SB_SUBCHANNEL_ID = 0 ISDBT_SB_SEGMENT_IDX = 0 ISDBT_SB_SEGMENT_COUNT = 0 ISDBT_LAYERA_FEC = AUTO ISDBT_LAYERA_MODULATION = QAM/AUTO ISDBT_LAYERA_SEGMENT_COUNT = 0 ISDBT_LAYERA_TIME_INTERLEAVING = 0 ISDBT_LAYERB_FEC = AUTO ISDBT_LAYERB_MODULATION = QAM/AUTO ISDBT_LAYERB_SEGMENT_COUNT = 0 ISDBT_LAYERB_TIME_INTERLEAVING = 0 ISDBT_LAYERC_FEC = AUTO ISDBT_LAYERC_MODULATION = QAM/AUTO ISDBT_LAYERC_SEGMENT_COUNT = 0 ISDBT_LAYERC_TIME_INTERLEAVING = 0 > 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 
/*
 * lsdvb - list PCI DVB devices
 *
 * Copyright (C) 2010 Manu Abraham <abraham.manu@gmail.com>
 *
 * 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 program 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#define _GNU_SOURCE

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/types.h>
#include <dirent.h>

#include <linux/dvb/frontend.h>

#define DVB_DIR			"/dev/dvb"
#define DVB_DEV_DIR		"/dev/dvb"
#define DVB_SYSFS_DIR		"/sys/class/dvb"

/**
 * DVB sysfs entries are found thus:
 * /sys/class/dvb/dvb0.frontend0/device/dvb/dvb0.frontend0/uevent for DVB_ADAPTER_NUM, DVB_DEVICE_NUM
 *
 * /sys/class/dvb/dvb0.frontend0/device/device for PCI_DEVICE_ID
 * /sys/class/dvb/dvb0.frontend0/device/vendor for PCI_VENDOR_ID
 * /sys/class/dvb/dvb0.frontend0/device/irq    for PCI_IRQ
 */

#define MAXLEN		64

int get_frontend_entry(DIR *dvb_dir, char *frontend_dev)
{
	struct dirent *adap_dir;
	char tmp[MAXLEN];

	adap_dir = readdir(dvb_dir);
	if (adap_dir != NULL) {
		/**
		 * Directory structure follows:
		 * .
		 * ..
		 * ~dvb0.demux0
		 * ~dvb0.dvr0
		 * ~dvb0.frontend0
		 * ~dvb0.net0
		 * ~dvb1.demux0
		 * ~dvb1.dvr0
		 * ~dvb1.frontend0
		 * ~dvb1.net0
		 */

		/* print information */
		sprintf(tmp, "%s/%s", DVB_SYSFS_DIR, adap_dir->d_name);
		/* search for a dir entry with string "frontend" */
		if (strstr(tmp, "frontend")) {
			/* found a dvbX.frontendY */
			strcpy(frontend_dev, tmp);
			return 0;
		} else {
			return -2;
		}
	} else {
		return -1;
	}
}


/* read device number and adapter number from the uevent file */
int read_frontend_uevent(char *uevent, int *device, int *adapter)
{
	char uf_name[MAXLEN];
	FILE *ufile;
	char line[128];
	char *token = NULL;

	/* get uevent file */
	sprintf(uf_name, "%s/%s", uevent, "uevent");
	ufile = fopen(uf_name, "r");
	if (ufile == NULL) {
		fprintf(stderr, "File: %s open failed\n", uf_name);
		return -1;
	}

	while (1) {
		if (fgets(line, sizeof (line), ufile) == NULL)
			return -1;

		if (strstr(line, "DVB_ADAPTER_NUM")) {
			token = strtok(line, "=");
			token = strtok(NULL, "=");
			*adapter = atoi(token);
		}

		if (strstr(line, "DVB_DEVICE_NUM")) {
			token = strtok(line, "=");
			token = strtok(NULL, "=");
			*device = atoi(token);
		}
	}

	fclose(ufile);
	return 0;
}

int read_device_uevent(char *uevent,
		       char *drv,
		       int *pci_ven,
		       int *pci_dev,
		       int *pci_subven,
		       int *pci_subdev,
		       int *domain,
		       int *bus,
		       int *device,
		       int *fn)
{
	char uf_name[MAXLEN];
	FILE *ufile;
	char line[128];
	char *token = NULL;
	char *tmp;
	int i;

	/* get uevent file */
	sprintf(uf_name, "%s/%s", uevent, "device/uevent");
	ufile = fopen(uf_name, "r");
	if (ufile == NULL) {
		fprintf(stderr, "File: %s open failed\n", uf_name);
		return -1;
	}

	while (1) {
		if (fgets(line, sizeof (line), ufile) == NULL)
			return -1;

		if (strstr(line, "DRIVER")) {
			token = strtok(line, "=");
			token = strtok(NULL, "=");
			for (i = 0; i < strlen(token); i++) {
				if (token[i] == '\n' || token[i] == '\r')
					token[i] = '\0';
			}
			strcpy(drv, token);
		}
		if (strstr(line, "PCI_ID")) {
			token = strtok(line, "=");
			token = strtok(NULL, "=");
			*pci_ven = atoi(strtok(token, ":"));
			*pci_dev = atoi(strtok(NULL, ":"));
		}
		if (strstr(line, "PCI_SUBSYS_ID")) {
			token = strtok(line, "=");
			token = strtok(NULL, "=");
			*pci_subven = atoi(strtok(token, ":"));
			*pci_subdev = atoi(strtok(NULL, ":"));

		}
		if (strstr(line, "PCI_SLOT_NAME")) {
			token = strtok(line, "=");
			token = strtok(NULL, "=");
			*domain = atoi(strtok(token, ":"));
			*bus = atoi(strtok(NULL, ":"));
			tmp = strtok(NULL, ":");
			*device = atoi(strtok(tmp, "."));
			*fn = atoi(strtok(NULL, "."));
		}
	}

	fclose(ufile);
	return 0;
}

/* retrieve frontend info */
int get_frontend_info(int adapter, char *frontend)
{
	DIR *dev_dir;
	struct dirent *adap_dir;
	char tmp[MAXLEN];

	sprintf(tmp, "%s/adapter%d", DVB_DIR, adapter);
	dev_dir = opendir(tmp);
	if (!dev_dir) {
		fprintf(stderr, "ERROR: Opening %s directory\n", tmp);
		return - 1;
	}

	while ((adap_dir = readdir(dev_dir)) != NULL) {
		/**
		 * Directory structure follows:
		 * .
		 * ..
		 * frontend0
		 * frontend1
		 * demux0
		 * dvr0
		 * net0
		 */
		if (!strcmp(adap_dir->d_name, "."))
			continue;
		if (!strcmp(adap_dir->d_name, ".."))
			continue;

		/* search for a dir entry with string "frontend" */
		if (strstr(adap_dir->d_name, "frontend")) {
			/* found a dvbX.frontendY */
			strcpy(frontend, adap_dir->d_name);
		}

	}

	closedir(dev_dir);
	return 0;
}

int main(void)
{
	DIR *sys_dir;
	char frontend_dev[MAXLEN];
	int entry, device, adapter;
	char drv[MAXLEN];
	int pci_ven, pci_dev, pci_subven, pci_subdev;
	int domain, bus, dev, fn;
	int dev_prev = -1;

	char tmp[MAXLEN];
	char frontend[MAXLEN];
	char fedev[MAXLEN];
	int fd, ret;
	struct dvb_frontend_info info;

	static char *fe_type[] = {
		[0] = "FE_QPSK",
		[1] = "FE_QAM",
		[2] = "FE_OFDM",
		[3] = "FE_ATSC",
	};

	fprintf(stderr, "\n\t\tlsdvb: Simple utility to list PCI/PCIe DVB devices\n");
	fprintf(stderr, "\t\tVersion: 0.0.4\n");
	fprintf(stderr, "\t\tCopyright (C) Manu Abraham\n");
	sys_dir = opendir(DVB_SYSFS_DIR);
	if (!sys_dir) {
		fprintf(stderr, "ERROR: Opening %s directory\n", DVB_SYSFS_DIR);
		return - 1;
	}

	while (1) {
		entry = get_frontend_entry(sys_dir, frontend_dev);
		if (entry == 0) {

			read_device_uevent(frontend_dev,
					   drv,
					   &pci_ven,
					   &pci_dev,
					   &pci_subven,
					   &pci_subdev,
					   &domain,
					   &bus,
					   &dev,
					   &fn);

			read_frontend_uevent(frontend_dev, &device, &adapter);
			if (device != dev_prev) {
				fprintf(stderr, "\n%s (%d:%d %d:%d) on PCI Domain:%d Bus:%d Device:%d Function:%d\n",
					drv, pci_ven, pci_dev, pci_subven, pci_subdev, domain, bus, dev, fn);
			}

			fprintf(stderr, "\tDEVICE:%d ADAPTER:%d ", device, adapter);
			dev_prev = device;

			get_frontend_info(adapter, frontend);
			sprintf(fedev, "%s/adapter%d/%s", DVB_DIR, adapter, frontend);
			fd = open(fedev, O_RDWR | O_NONBLOCK);
			if (fd < 0) {
				fprintf(stderr, "ERROR: Open %s failed\n", frontend);
				return -1;
			}

			ret = ioctl(fd, FE_GET_INFO, &info);
			if (ret < 0) {
				fprintf(stderr, "ERROR: IOCTL failed\n");
				return -1;
			}
			strncpy(tmp, frontend + 8, 1);
			fprintf(stderr, "FRONTEND:%d (%s) \n\t\t %s Fmin=%dMHz Fmax=%dMHz\n",
				atoi(tmp),
				info.name,
				fe_type[info.type],
				info.type == 0 ? info.frequency_min / 1000: info.frequency_min / 1000000,
				info.type == 0 ? info.frequency_max / 1000: info.frequency_max / 1000000);
		}

		if (entry == -1)
			break;
		if (entry == -2)
			continue;

	}

	closedir(sys_dir);

	return 0;
}