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void trace_out(const char *fmt, ... ) {
  static FILE *trace_file = 0L;
 
  time_t now = time(0L);//returns the specified calendar time value 
  char date_string[23];//declaring character date string
  strftime(date_string, 256, "%Y-%m-%d %H.%M.%S", localtime(&now));//format of the time and date string
 
  if (!trace_file) {
    trace_file = fopen("trace.txt", "a+");
 //trace file, provides output window for debugging
//if trace file detected open file
    if (!trace_file)
      return;
  }
 //required ato access variable arguement lists
  va_list v;
  va_start(v, fmt);
 
  fprintf(trace_file, "%s |", date_string);//prints the data to a date string format
  vfprintf(trace_file, fmt, v);//writes the formatted output to the trace file
  fputc('\n', trace_file);//wites the characters to the stream
  fflush(trace_file);//flushes the stream
}