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annotate src/cs/drivers/drv_app/ffs/board/win32/getopt.h @ 0:92470e5d0b9e

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src: partial import from FC Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 01:28:16 +0000
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1 /* Declarations for getopt.
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2 Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc.
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3
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4 NOTE: The canonical source of this file is maintained with the GNU C Library.
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5 Bugs can be reported to bug-glibc@gnu.org.
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6
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7 This program is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 This program is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with this program; if not, write to the Free Software
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19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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20 USA. */
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21
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22 #ifndef _GETOPT_H
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23 #define _GETOPT_H 1
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24
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25 #ifdef __cplusplus
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26 extern "C" {
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27 #endif
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28
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29 /* For communication from `getopt' to the caller.
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30 When `getopt' finds an option that takes an argument,
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31 the argument value is returned here.
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32 Also, when `ordering' is RETURN_IN_ORDER,
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33 each non-option ARGV-element is returned here. */
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34
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35 extern char *optarg;
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36
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37 /* Index in ARGV of the next element to be scanned.
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38 This is used for communication to and from the caller
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39 and for communication between successive calls to `getopt'.
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40
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41 On entry to `getopt', zero means this is the first call; initialize.
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42
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43 When `getopt' returns -1, this is the index of the first of the
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44 non-option elements that the caller should itself scan.
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45
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46 Otherwise, `optind' communicates from one call to the next
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47 how much of ARGV has been scanned so far. */
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48
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49 extern int optind;
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50
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51 /* Callers store zero here to inhibit the error message `getopt' prints
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52 for unrecognized options. */
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53
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54 extern int opterr;
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55
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56 /* Set to an option character which was unrecognized. */
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57
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58 extern int optopt;
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59
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60 /* Describe the long-named options requested by the application.
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61 The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
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62 of `struct option' terminated by an element containing a name which is
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63 zero.
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64
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65 The field `has_arg' is:
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66 no_argument (or 0) if the option does not take an argument,
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67 required_argument (or 1) if the option requires an argument,
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68 optional_argument (or 2) if the option takes an optional argument.
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69
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70 If the field `flag' is not NULL, it points to a variable that is set
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71 to the value given in the field `val' when the option is found, but
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72 left unchanged if the option is not found.
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73
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74 To have a long-named option do something other than set an `int' to
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75 a compiled-in constant, such as set a value from `optarg', set the
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76 option's `flag' field to zero and its `val' field to a nonzero
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77 value (the equivalent single-letter option character, if there is
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78 one). For long options that have a zero `flag' field, `getopt'
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79 returns the contents of the `val' field. */
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80
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81 struct option
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82 {
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83 #if defined (__STDC__) && __STDC__
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84 const char *name;
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85 #else
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86 char *name;
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87 #endif
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88 /* has_arg can't be an enum because some compilers complain about
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89 type mismatches in all the code that assumes it is an int. */
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90 int has_arg;
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91 int *flag;
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92 int val;
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93 };
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94
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95 /* Names for the values of the `has_arg' field of `struct option'. */
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96
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97 #define no_argument 0
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98 #define required_argument 1
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99 #define optional_argument 2
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100
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101 #if defined (__STDC__) && __STDC__
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102 #ifdef __GNU_LIBRARY__
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103 /* Many other libraries have conflicting prototypes for getopt, with
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104 differences in the consts, in stdlib.h. To avoid compilation
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105 errors, only prototype getopt for the GNU C library. */
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106 extern int getopt (int argc, char *const *argv, const char *shortopts);
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107 #else /* not __GNU_LIBRARY__ */
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108 extern int getopt ();
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109 #endif /* __GNU_LIBRARY__ */
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110 extern int getopt_long (int argc, char *const *argv, const char *shortopts,
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111 const struct option *longopts, int *longind);
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112 extern int getopt_long_only (int argc, char *const *argv,
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113 const char *shortopts,
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114 const struct option *longopts, int *longind);
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115
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116 /* Internal only. Users should not call this directly. */
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117 extern int _getopt_internal (int argc, char *const *argv,
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118 const char *shortopts,
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119 const struct option *longopts, int *longind,
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120 int long_only);
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121 #else /* not __STDC__ */
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122 extern int getopt ();
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123 extern int getopt_long ();
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124 extern int getopt_long_only ();
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125
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126 extern int _getopt_internal ();
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127 #endif /* __STDC__ */
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128
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129 #ifdef __cplusplus
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130 }
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131 #endif
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132
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133 #endif /* getopt.h */