putc ('\n', stream);
putc_unlocked ('\n', stream);
__argp_error (const struct argp_state *state, const char *fmt, ...){  if (!state || !(state->flags & ARGP_NO_ERRS))    {      FILE *stream = state ? state->err_stream : stderr;      if (stream)	{	  va_list ap;	  fputs (state ? state->name : program_invocation_short_name, stream);	  putc (':', stream);	  putc (' ', stream);	  va_start (ap, fmt);	  vfprintf (stream, fmt, ap);	  va_end (ap);	  putc ('\n', stream);	  __argp_state_help (state, stream, ARGP_HELP_STD_ERR);	}    }}