__asprintf (&buf, _("%s: unrecognized option `%c%s'\n"), argv[0], argv[optind][0], nextchar);
n = __asprintf (&buf, _("%s: unrecognized option `%c%s'\n"), argv[0], argv[optind][0], nextchar);
_getopt_internal (argc, argv, optstring, longopts, longind, long_only)     int argc;     char *const *argv;     const char *optstring;     const struct option *longopts;     int *longind;     int long_only;{  int print_errors = opterr;  if (optstring[0] == ':')    print_errors = 0;  if (argc < 1)    return -1;  optarg = NULL;  if (optind == 0 || !__getopt_initialized)    {      if (optind == 0)	optind = 1;	/* Don't scan ARGV[0], the program name.  */      optstring = _getopt_initialize (argc, argv, optstring);      __getopt_initialized = 1;    }  /* Test whether ARGV[optind] points to a non-option argument.     Either it does not have option syntax, or there is an environment flag     from the shell indicating it is not an option.  The later information     is only used when the used in the GNU libc.  */#if defined _LIBC && defined USE_NONOPTION_FLAGS# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0'	      \		      || (optind < nonoption_flags_len			      \			  && __getopt_nonoption_flags[optind] == '1'))#else# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')#endif  if (nextchar == NULL || *nextchar == '\0')    {      /* Advance to the next ARGV-element.  */      /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been	 moved back by the user (who may also have changed the arguments).  */      if (last_nonopt > optind)	last_nonopt = optind;      if (first_nonopt > optind)	first_nonopt = optind;      if (ordering == PERMUTE)	{	  /* If we have just processed some options following some non-options,	     exchange them so that the options come first.  */	  if (first_nonopt != last_nonopt && last_nonopt != optind)	    exchange ((char **) argv);	  else if (last_nonopt != optind)	    first_nonopt = optind;	  /* Skip any additional non-options	     and extend the range of non-options previously skipped.  */	  while (optind < argc && NONOPTION_P)	    optind++;	  last_nonopt = optind;	}      /* The special ARGV-element `--' means premature end of options.	 Skip it like a null option,	 then exchange with previous non-options as if it were an option,	 then skip everything else like a non-option.  */      if (optind != argc && !strcmp (argv[optind], "--"))	{	  optind++;	  if (first_nonopt != last_nonopt && last_nonopt != optind)	    exchange ((char **) argv);	  else if (first_nonopt == last_nonopt)	    first_nonopt = optind;	  last_nonopt = argc;	  optind = argc;	}      /* If we have done all the ARGV-elements, stop the scan	 and back over any non-options that we skipped and permuted.  */      if (optind == argc)	{	  /* Set the next-arg-index to point at the non-options	     that we previously skipped, so the caller will digest them.  */	  if (first_nonopt != last_nonopt)	    optind = first_nonopt;	  return -1;	}      /* If we have come to a non-option and did not permute it,	 either stop the scan or describe it to the caller and pass it by.  */      if (NONOPTION_P)	{	  if (ordering == REQUIRE_ORDER)	    return -1;	  optarg = argv[optind++];	  return 1;	}      /* We have found another option-ARGV-element.	 Skip the initial punctuation.  */      nextchar = (argv[optind] + 1		  + (longopts != NULL && argv[optind][1] == '-'));    }  /* Decode the current option-ARGV-element.  */  /* Check whether the ARGV-element is a long option.     If long_only and the ARGV-element has the form "-f", where f is     a valid short option, don't consider it an abbreviated form of     a long option that starts with f.  Otherwise there would be no     way to give the -f short option.     On the other hand, if there's a long option "fubar" and     the ARGV-element is "-fu", do consider that an abbreviation of     the long option, just like "--fu", and not "-f" with arg "u".     This distinction seems to be the most useful approach.  */  if (longopts != NULL      && (argv[optind][1] == '-'	  || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))    {      char *nameend;      const struct option *p;      const struct option *pfound = NULL;      int exact = 0;      int ambig = 0;      int indfound = -1;      int option_index;      for (nameend = nextchar; *nameend && *nameend != '='; nameend++)	/* Do nothing.  */ ;      /* Test all long options for either exact match	 or abbreviated matches.  */      for (p = longopts, option_index = 0; p->name; p++, option_index++)	if (!strncmp (p->name, nextchar, nameend - nextchar))	  {	    if ((unsigned int) (nameend - nextchar)		== (unsigned int) strlen (p->name))	      {		/* Exact match found.  */		pfound = p;		indfound = option_index;		exact = 1;		break;	      }	    else if (pfound == NULL)	      {		/* First nonexact match found.  */		pfound = p;		indfound = option_index;	      }	    else if (long_only		     || pfound->has_arg != p->has_arg		     || pfound->flag != p->flag		     || pfound->val != p->val)	      /* Second or later nonexact match found.  */	      ambig = 1;	  }      if (ambig && !exact)	{	  if (print_errors)	    {#if defined _LIBC && defined USE_IN_LIBIO	      char *buf;	      __asprintf (&buf, _("%s: option `%s' is ambiguous\n"),			  argv[0], argv[optind]);	      if (_IO_fwide (stderr, 0) > 0)		__fwprintf (stderr, L"%s", buf);	      else		fputs (buf, stderr);	      free (buf);#else	      fprintf (stderr, _("%s: option `%s' is ambiguous\n"),		       argv[0], argv[optind]);#endif	    }	  nextchar += strlen (nextchar);	  optind++;	  optopt = 0;	  return '?';	}      if (pfound != NULL)	{	  option_index = indfound;	  optind++;	  if (*nameend)	    {	      /* Don't test has_arg with >, because some C compilers don't		 allow it to be used on enums.  */	      if (pfound->has_arg)		optarg = nameend + 1;	      else		{		  if (print_errors)		    {#if defined _LIBC && defined USE_IN_LIBIO		      char *buf;#endif		      if (argv[optind - 1][1] == '-')			{			  /* --option */#if defined _LIBC && defined USE_IN_LIBIO			  __asprintf (&buf, _("\%s: option `--%s' doesn't allow an argument\n"),				      argv[0], pfound->name);#else			  fprintf (stderr, _("\%s: option `--%s' doesn't allow an argument\n"),				   argv[0], pfound->name);#endif			}		      else			{			  /* +option or -option */#if defined _LIBC && defined USE_IN_LIBIO			  __asprintf (&buf, _("\%s: option `%c%s' doesn't allow an argument\n"),				      argv[0], argv[optind - 1][0],				      pfound->name);#else			  fprintf (stderr, _("\%s: option `%c%s' doesn't allow an argument\n"),				   argv[0], argv[optind - 1][0], pfound->name);#endif			}#if defined _LIBC && defined USE_IN_LIBIO		      if (_IO_fwide (stderr, 0) > 0)			__fwprintf (stderr, L"%s", buf);		      else			fputs (buf, stderr);		      free (buf);#endif		    }		  nextchar += strlen (nextchar);		  optopt = pfound->val;		  return '?';		}	    }	  else if (pfound->has_arg == 1)	    {	      if (optind < argc)		optarg = argv[optind++];	      else		{		  if (print_errors)		    {#if defined _LIBC && defined USE_IN_LIBIO		      char *buf;		      __asprintf (&buf,				  _("%s: option `%s' requires an argument\n"),				  argv[0], argv[optind - 1]);		      if (_IO_fwide (stderr, 0) > 0)			__fwprintf (stderr, L"%s", buf);		      else			fputs (buf, stderr);		      free (buf);#else		      fprintf (stderr,			       _("%s: option `%s' requires an argument\n"),			       argv[0], argv[optind - 1]);#endif		    }		  nextchar += strlen (nextchar);		  optopt = pfound->val;		  return optstring[0] == ':' ? ':' : '?';		}	    }	  nextchar += strlen (nextchar);	  if (longind != NULL)	    *longind = option_index;	  if (pfound->flag)	    {	      *(pfound->flag) = pfound->val;	      return 0;	    }	  return pfound->val;	}      /* Can't find it as a long option.  If this is not getopt_long_only,	 or the option starts with '--' or is not a valid short	 option, then it's an error.	 Otherwise interpret it as a short option.  */      if (!long_only || argv[optind][1] == '-'	  || my_index (optstring, *nextchar) == NULL)	{	  if (print_errors)	    {#if defined _LIBC && defined USE_IN_LIBIO	      char *buf;#endif	      if (argv[optind][1] == '-')		{		  /* --option */#if defined _LIBC && defined USE_IN_LIBIO		  __asprintf (&buf, _("%s: unrecognized option `--%s'\n"),			      argv[0], nextchar);#else		  fprintf (stderr, _("%s: unrecognized option `--%s'\n"),			   argv[0], nextchar);#endif		}	      else		{		  /* +option or -option */#if defined _LIBC && defined USE_IN_LIBIO		  __asprintf (&buf, _("%s: unrecognized option `%c%s'\n"),			      argv[0], argv[optind][0], nextchar);#else		  fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),			   argv[0], argv[optind][0], nextchar);#endif		}#if defined _LIBC && defined USE_IN_LIBIO	      if (_IO_fwide (stderr, 0) > 0)		__fwprintf (stderr, L"%s", buf);	      else		fputs (buf, stderr);	      free (buf);#endif	    }	  nextchar = (char *) "";	  optind++;	  optopt = 0;	  return '?';	}    }  /* Look at and handle the next short option-character.  */  {    char c = *nextchar++;    char *temp = my_index (optstring, c);    /* Increment `optind' when we start to process its last character.  */    if (*nextchar == '\0')      ++optind;    if (temp == NULL || c == ':')      {	if (print_errors)	  {#if defined _LIBC && defined USE_IN_LIBIO	      char *buf;#endif	    if (posixly_correct)	      {		/* 1003.2 specifies the format of this message.  */#if defined _LIBC && defined USE_IN_LIBIO		__asprintf (&buf, _("%s: illegal option -- %c\n"),			    argv[0], c);#else		fprintf (stderr, _("%s: illegal option -- %c\n"), argv[0], c);#endif	      }	    else	      {#if defined _LIBC && defined USE_IN_LIBIO		__asprintf (&buf, _("%s: invalid option -- %c\n"),			    argv[0], c);#else		fprintf (stderr, _("%s: invalid option -- %c\n"), argv[0], c);#endif	      }#if defined _LIBC && defined USE_IN_LIBIO	    if (_IO_fwide (stderr, 0) > 0)	      __fwprintf (stderr, L"%s", buf);	    else	      fputs (buf, stderr);	    free (buf);#endif	  }	optopt = c;	return '?';      }    /* Convenience. Treat POSIX -W foo same as long option --foo */    if (temp[0] == 'W' && temp[1] == ';')      {	char *nameend;	const struct option *p;	const struct option *pfound = NULL;	int exact = 0;	int ambig = 0;	int indfound = 0;	int option_index;	/* This is an option that requires an argument.  */	if (*nextchar != '\0')	  {	    optarg = nextchar;	    /* If we end this ARGV-element by taking the rest as an arg,	       we must advance to the next element now.  */	    optind++;	  }	else if (optind == argc)	  {	    if (print_errors)	      {		/* 1003.2 specifies the format of this message.  */#if defined _LIBC && defined USE_IN_LIBIO		char *buf;		__asprintf (&buf, _("%s: option requires an argument -- %c\n"),			    argv[0], c);		if (_IO_fwide (stderr, 0) > 0)		  __fwprintf (stderr, L"%s", buf);		else		  fputs (buf, stderr);		free (buf);#else		fprintf (stderr, _("%s: option requires an argument -- %c\n"),			 argv[0], c);#endif	      }	    optopt = c;	    if (optstring[0] == ':')	      c = ':';	    else	      c = '?';	    return c;	  }	else	  /* We already incremented `optind' once;	     increment it again when taking next ARGV-elt as argument.  */	  optarg = argv[optind++];	/* optarg is now the argument, see if it's in the	   table of longopts.  */	for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++)	  /* Do nothing.  */ ;	/* Test all long options for either exact match	   or abbreviated matches.  */	for (p = longopts, option_index = 0; p->name; p++, option_index++)	  if (!strncmp (p->name, nextchar, nameend - nextchar))	    {	      if ((unsigned int) (nameend - nextchar) == strlen (p->name))		{		  /* Exact match found.  */		  pfound = p;		  indfound = option_index;		  exact = 1;		  break;		}	      else if (pfound == NULL)		{		  /* First nonexact match found.  */		  pfound = p;		  indfound = option_index;		}	      else		/* Second or later nonexact match found.  */		ambig = 1;	    }	if (ambig && !exact)	  {	    if (print_errors)	      {#if defined _LIBC && defined USE_IN_LIBIO		char *buf;		__asprintf (&buf, _("%s: option `-W %s' is ambiguous\n"),			    argv[0], argv[optind]);		if (_IO_fwide (stderr, 0) > 0)		  __fwprintf (stderr, L"%s", buf);		else		  fputs (buf, stderr);		free (buf);#else		fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),			 argv[0], argv[optind]);#endif	      }	    nextchar += strlen (nextchar);	    optind++;	    return '?';	  }	if (pfound != NULL)	  {	    option_index = indfound;	    if (*nameend)	      {		/* Don't test has_arg with >, because some C compilers don't		   allow it to be used on enums.  */		if (pfound->has_arg)		  optarg = nameend + 1;		else		  {		    if (print_errors)		      {#if defined _LIBC && defined USE_IN_LIBIO			char *buf;			__asprintf (&buf, _("\%s: option `-W %s' doesn't allow an argument\n"),				    argv[0], pfound->name);			if (_IO_fwide (stderr, 0) > 0)			  __fwprintf (stderr, L"%s", buf);			else			  fputs (buf, stderr);			free (buf);#else			fprintf (stderr, _("\%s: option `-W %s' doesn't allow an argument\n"),				 argv[0], pfound->name);#endif		      }		    nextchar += strlen (nextchar);		    return '?';		  }	      }	    else if (pfound->has_arg == 1)	      {		if (optind < argc)		  optarg = argv[optind++];		else		  {		    if (print_errors)		      {#if defined _LIBC && defined USE_IN_LIBIO			char *buf;			__asprintf (&buf, _("\%s: option `%s' requires an argument\n"),				    argv[0], argv[optind - 1]);			if (_IO_fwide (stderr, 0) > 0)			  __fwprintf (stderr, L"%s", buf);			else			  fputs (buf, stderr);			free (buf);#else			fprintf (stderr,				 _("%s: option `%s' requires an argument\n"),				 argv[0], argv[optind - 1]);#endif		      }		    nextchar += strlen (nextchar);		    return optstring[0] == ':' ? ':' : '?';		  }	      }	    nextchar += strlen (nextchar);	    if (longind != NULL)	      *longind = option_index;	    if (pfound->flag)	      {		*(pfound->flag) = pfound->val;		return 0;	      }	    return pfound->val;	  }	  nextchar = NULL;	  return 'W';	/* Let the application handle it.   */      }    if (temp[1] == ':')      {	if (temp[2] == ':')	  {	    /* This is an option that accepts an argument optionally.  */	    if (*nextchar != '\0')	      {		optarg = nextchar;		optind++;	      }	    else	      optarg = NULL;	    nextchar = NULL;	  }	else	  {	    /* This is an option that requires an argument.  */	    if (*nextchar != '\0')	      {		optarg = nextchar;		/* If we end this ARGV-element by taking the rest as an arg,		   we must advance to the next element now.  */		optind++;	      }	    else if (optind == argc)	      {		if (print_errors)		  {		    /* 1003.2 specifies the format of this message.  */#if defined _LIBC && defined USE_IN_LIBIO		    char *buf;		    __asprintf (&buf,				_("%s: option requires an argument -- %c\n"),				argv[0], c);		    if (_IO_fwide (stderr, 0) > 0)		      __fwprintf (stderr, L"%s", buf);		    else		      fputs (buf, stderr);		    free (buf);#else		    fprintf (stderr,			     _("%s: option requires an argument -- %c\n"),			     argv[0], c);#endif		  }		optopt = c;		if (optstring[0] == ':')		  c = ':';		else		  c = '?';	      }	    else	      /* We already incremented `optind' once;		 increment it again when taking next ARGV-elt as argument.  */	      optarg = argv[optind++];	    nextchar = NULL;	  }      }    return c;  }}