text: /*
   * Copyright (C) 2004 Red Hat, Inc. All rights reserved.
   *
   * This file is part of LVM2.
   *
   * This copyrighted material is made available to anyone wishing to use,
   * modify, copy, or redistribute it subject to the terms and conditions
   * of the GNU General Public License v.2.
   *
   * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #include "lvm2cmd.h"
  #include <stdio.h>
  
  /* All output gets passed to this function line-by-line */
  void test_log_fn(int level, const char *file, int line,
  		 int dm_errno, const char *format)
  {
  	/* Extract and process output here rather than printing it */
  
  	if (level != 4)
  		return;
  
  	printf("%s\n", format);
  	return;
  }
  
  int main(int argc, char **argv)
  {
  	void *handle;
  	int r;
  
  	lvm2_log_fn(test_log_fn);
  
  	handle = lvm2_init();
  
  	lvm2_log_level(handle, 1);
  	r = lvm2_run(handle, "vgs --noheadings vg1");
  
  	/* More commands here */
  
  	lvm2_exit(handle);
  
  	return r;
  }
  
  