def METHOD_NAME():
    print("USAGE: %s [-i <if_name>]" % argv[0])
    print("")
    print("optional arguments:")
    print("   -h                       print this help")
    print("   -i if_name               select interface if_name. Default is eth0")
    print("")
    print("examples:")
    print("    http-parse              # bind socket to eth0")
    print("    http-parse -i wlan0     # bind socket to wlan0")
    exit()