<< "\nUSAGE: " << s << "  [options]  [NCodes]\n\n";
<< "\nUSAGE: " << s << "  [options]  -m <message path>  [NCodes]\n\n";
void PrintUsage (const char * s){  cerr    << "\nUSAGE: " << s << "  [options]  [NCodes]\n\n";}