static inline char *one_argument (char *argument, char *arg_first)
{
  char cEnd;
  while (isspace (*argument))
    argument++;
  cEnd = ' ';
  if (*argument == '\'' || *argument == '"')
    cEnd = *argument++;
  while (*argument != '\0')
    {
      if (*argument == cEnd)
	{
	  argument++;
	  break;
	}
      *arg_first = LOWER (*argument);
      arg_first++;
      argument++;
    }
  *arg_first = '\0';
  while (isspace (*argument))
    argument++;
  return argument;
}
static inline char *one_argument_nl (char *argument, char *arg_first)
{
  char cEnd;
  while (isspace (*argument))
    argument++;
  cEnd = ' ';
  if (*argument == '\'' || *argument == '"')
    cEnd = *argument++;
  while (*argument != '\0')
    {
      if (*argument == cEnd)
	{
	  argument++;
	  break;
	}
      *arg_first = *argument;
      arg_first++;
      argument++;
    }
  *arg_first = '\0';
  while (isspace (*argument))
    argument++;
  return argument;
}