static void usage()
{
fprintf(stderr, _(
-"\nVersion: " VERSION " (" DATE ")\n\n"
+"\nVersion: " VERSION " (" BDATE ")\n\n"
"Usage: btape [-c config_file] [-d debug_level] [device_name]\n"
" -c <file> set configuration file to file\n"
" -dnn set debug level to nn\n"