strfcpy (err->data, "null key sequence", err->dsize);
strfcpy (err->data, _("null key sequence"), err->dsize);
char *parse_keymap (int *menu, BUFFER *s, BUFFER *err){  BUFFER buf;  memset (&buf, 0, sizeof (buf));  /* menu name */  mutt_extract_token (&buf, s, 0);  if (MoreArgs (s))  {    if ((*menu = mutt_check_menu (buf.data)) == -1)    {      snprintf (err->data, err->dsize, "%s: no such menu", buf.data);    }    else    {      /* key sequence */      mutt_extract_token (&buf, s, 0);      if (!*buf.data)      {	strfcpy (err->data, "null key sequence", err->dsize);      }      else if (MoreArgs (s))	return (buf.data);    }  }  else  {    strfcpy (err->data, "too few arguments", err->dsize);  }  FREE (&buf.data);  return (NULL);}