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/* getopt_long and getopt_long_only entry points for GNU getopt.
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Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2004,2006,2009
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Free Software Foundation, Inc.
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Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997,
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1998, 2004, 2006, 2009, 2010 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software: you can redistribute it and/or modify
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#include <stdlib.h>
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getopt_long (int argc, char *__getopt_argv_const *argv, const char *options,
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const struct option *long_options, int *opt_index)
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const struct option *long_options, int *opt_index)
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return _getopt_internal (argc, (char **) argv, options, long_options,
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_getopt_long_r (int argc, char **argv, const char *options,
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const struct option *long_options, int *opt_index,
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struct _getopt_data *d)
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const struct option *long_options, int *opt_index,
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struct _getopt_data *d)
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return _getopt_internal_r (argc, argv, options, long_options, opt_index,
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/* Like getopt_long, but '-' as well as '--' can indicate a long option.
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getopt_long_only (int argc, char *__getopt_argv_const *argv,
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const struct option *long_options, int *opt_index)
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const struct option *long_options, int *opt_index)
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return _getopt_internal (argc, (char **) argv, options, long_options,
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_getopt_long_only_r (int argc, char **argv, const char *options,
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const struct option *long_options, int *opt_index,
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struct _getopt_data *d)
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const struct option *long_options, int *opt_index,
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struct _getopt_data *d)
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return _getopt_internal_r (argc, argv, options, long_options, opt_index,
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int option_index = 0;
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static const struct option long_options[] =
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c = getopt_long (argc, argv, "abc:d:0123456789",
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long_options, &option_index);
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long_options, &option_index);
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printf ("option %s", long_options[option_index].name);
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printf (" with arg %s", optarg);
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if (digit_optind != 0 && digit_optind != this_option_optind)
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printf ("digits occur in two different argv-elements.\n");
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digit_optind = this_option_optind;
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printf ("option %c\n", c);
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printf ("option a\n");
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printf ("option b\n");
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printf ("option c with value `%s'\n", optarg);
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printf ("option d with value `%s'\n", optarg);
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printf ("?? getopt returned character code 0%o ??\n", c);
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printf ("option %s", long_options[option_index].name);
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printf (" with arg %s", optarg);
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if (digit_optind != 0 && digit_optind != this_option_optind)
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printf ("digits occur in two different argv-elements.\n");
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digit_optind = this_option_optind;
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printf ("option %c\n", c);
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printf ("option a\n");
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printf ("option b\n");
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printf ("option c with value `%s'\n", optarg);
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printf ("option d with value `%s'\n", optarg);
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printf ("?? getopt returned character code 0%o ??\n", c);
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if (optind < argc)
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printf ("non-option ARGV-elements: ");
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while (optind < argc)
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printf ("%s ", argv[optind++]);
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printf ("%s ", argv[optind++]);