text: 
  /******************************************************************************
   *
   * Module Name: getopt
   *              $Revision: 1.8 $
   *
   *****************************************************************************/
  
  /******************************************************************************
   *
   * 1. Copyright Notice
   *
   * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
   * All rights reserved.
   *
   * 2. License
   *
   * 2.1. This is your license from Intel Corp. under its intellectual property
   * rights.  You may have additional license terms from the party that provided
   * you this software, covering your right to use that party's intellectual
   * property rights.
   *
   * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
   * copy of the source code appearing in this file ("Covered Code") an
   * irrevocable, perpetual, worldwide license under Intel's copyrights in the
   * base code distributed originally by Intel ("Original Intel Code") to copy,
   * make derivatives, distribute, use and display any portion of the Covered
   * Code in any form, with the right to sublicense such rights; and
   *
   * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
   * license (with the right to sublicense), under only those claims of Intel
   * patents that are infringed by the Original Intel Code, to make, use, sell,
   * offer to sell, and import the Covered Code and derivative works thereof
   * solely to the minimum extent necessary to exercise the above copyright
   * license, and in no event shall the patent license extend to any additions
   * to or modifications of the Original Intel Code.  No other license or right
   * is granted directly or by implication, estoppel or otherwise;
   *
   * The above copyright and patent license is granted only if the following
   * conditions are met:
   *
   * 3. Conditions
   *
   * 3.1. Redistribution of Source with Rights to Further Distribute Source.
   * Redistribution of source code of any substantial portion of the Covered
   * Code or modification with rights to further distribute source must include
   * the above Copyright Notice, the above License, this list of Conditions,
   * and the following Disclaimer and Export Compliance provision.  In addition,
   * Licensee must cause all Covered Code to which Licensee contributes to
   * contain a file documenting the changes Licensee made to create that Covered
   * Code and the date of any change.  Licensee must include in that file the
   * documentation of any changes made by any predecessor Licensee.  Licensee
   * must include a prominent statement that the modification is derived,
   * directly or indirectly, from Original Intel Code.
   *
   * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
   * Redistribution of source code of any substantial portion of the Covered
   * Code or modification without rights to further distribute source must
   * include the following Disclaimer and Export Compliance provision in the
   * documentation and/or other materials provided with distribution.  In
   * addition, Licensee may not authorize further sublicense of source of any
   * portion of the Covered Code, and must include terms to the effect that the
   * license from Licensee to its licensee is limited to the intellectual
   * property embodied in the software Licensee provides to its licensee, and
   * not to intellectual property embodied in modifications its licensee may
   * make.
   *
   * 3.3. Redistribution of Executable. Redistribution in executable form of any
   * substantial portion of the Covered Code or modification must reproduce the
   * above Copyright Notice, and the following Disclaimer and Export Compliance
   * provision in the documentation and/or other materials provided with the
   * distribution.
   *
   * 3.4. Intel retains all right, title, and interest in and to the Original
   * Intel Code.
   *
   * 3.5. Neither the name Intel nor any other trademark owned or controlled by
   * Intel shall be used in advertising or otherwise to promote the sale, use or
   * other dealings in products derived from or relating to the Covered Code
   * without prior written authorization from Intel.
   *
   * 4. Disclaimer and Export Compliance
   *
   * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
   * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
   * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
   * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
   * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
   * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
   * PARTICULAR PURPOSE.
   *
   * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
   * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
   * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
   * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
   * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
   * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
   * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
   * LIMITED REMEDY.
   *
   * 4.3. Licensee shall not export, either directly or indirectly, any of this
   * software or system incorporating such software without first obtaining any
   * required license or other approval from the U. S. Department of Commerce or
   * any other agency or department of the United States Government.  In the
   * event Licensee exports any such software from the United States or
   * re-exports any such software from a foreign destination, Licensee shall
   * ensure that the distribution and export/re-export of the software is in
   * compliance with all laws, regulations, orders, or other restrictions of the
   * U.S. Export Administration Regulations. Licensee agrees that neither it nor
   * any of its subsidiaries will export/re-export any technical data, process,
   * software, or service, directly or indirectly, to any country for which the
   * United States government or any agency thereof requires an export license,
   * other governmental approval, or letter of assurance, without first obtaining
   * such license, approval or letter.
   *
   *****************************************************************************/
  
  
  #include <stdio.h>
  #include <string.h>
  
  #define ERR(szz,czz) if(AcpiGbl_Opterr){fprintf(stderr,"%s%s%c\n",argv[0],szz,czz);}
  
  
  int   AcpiGbl_Opterr = 1;
  int   AcpiGbl_Optind = 1;
  int   AcpiGbl_Optopt;
  char  *AcpiGbl_Optarg;
  
  
  /*******************************************************************************
   *
   * FUNCTION:    AcpiGetopt
   *
   * PARAMETERS:  argc, argv          - from main
   *              opts                - options info list
   *
   * RETURN:      Option character or EOF
   *
   * DESCRIPTION: Get the next option
   *
   ******************************************************************************/
  
  int
  AcpiGetopt(
      int                     argc,
      char                    **argv,
      char                    *opts)
  {
      static int              CurrentCharPtr = 1;
      int                     CurrentChar;
      char                    *OptsPtr;
  
  
      if (CurrentCharPtr == 1)
      {
          if (AcpiGbl_Optind >= argc ||
              argv[AcpiGbl_Optind][0] != '-' ||
              argv[AcpiGbl_Optind][1] == '\0')
          {
              return(EOF);
          }
          else if (strcmp (argv[AcpiGbl_Optind], "--") == 0)
          {
              AcpiGbl_Optind++;
              return(EOF);
          }
      }
  
      /* Get the option */
  
      CurrentChar =
      AcpiGbl_Optopt =
      argv[AcpiGbl_Optind][CurrentCharPtr];
  
      /* Make sure that the option is legal */
  
      if (CurrentChar == ':' ||
         (OptsPtr = strchr (opts, CurrentChar)) == NULL)
      {
          ERR (": illegal option -- ", CurrentChar);
  
          if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0')
          {
              AcpiGbl_Optind++;
              CurrentCharPtr = 1;
          }
  
          return ('?');
      }
  
      /* Option requires an argument? */
  
      if (*++OptsPtr == ':')
      {
          if (argv[AcpiGbl_Optind][CurrentCharPtr+1] != '\0')
          {
              AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][CurrentCharPtr+1];
          }
          else if (++AcpiGbl_Optind >= argc)
          {
              ERR (": option requires an argument -- ", CurrentChar);
  
              CurrentCharPtr = 1;
              return ('?');
          }
          else
          {
              AcpiGbl_Optarg = argv[AcpiGbl_Optind++];
          }
  
          CurrentCharPtr = 1;
      }
  
      /* Option has optional single-char arguments? */
  
      else if (*OptsPtr == '^')
      {
          if (argv[AcpiGbl_Optind][CurrentCharPtr+1] != '\0')
          {
              AcpiGbl_Optarg = &argv[AcpiGbl_Optind][CurrentCharPtr+1];
          }
          else
          {
              AcpiGbl_Optarg = "^";
          }
  
          AcpiGbl_Optind++;
          CurrentCharPtr = 1;
      }
  
      /* Option with no arguments */
  
      else
      {
          if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0')
          {
              CurrentCharPtr = 1;
              AcpiGbl_Optind++;
          }
  
          AcpiGbl_Optarg = NULL;
      }
  
      return (CurrentChar);
  }
  