2022-10-22 18:41:00 +08:00
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/*
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* getopt.h - interface to my re-implementation of getopt.
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* Copyright 1997, 2000, 2001, 2002, 2006, Benjamin Sittler
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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2023-01-14 18:28:39 +08:00
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*
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2022-10-22 18:41:00 +08:00
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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2023-01-14 18:28:39 +08:00
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*
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2022-10-22 18:41:00 +08:00
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _GETOPT_H_INCLUDED
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#define _GETOPT_H_INCLUDED
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* UNIX-style short-argument parser */
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extern int my_getopt(int argc, char *argv[], const char *opts);
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extern int optind, opterr, optopt;
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extern char *optarg;
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struct option {
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const char *name;
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int has_arg;
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int *flag;
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int val;
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};
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/* human-readable values for has_arg */
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#undef no_argument
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#define no_argument 0
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#undef required_argument
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#define required_argument 1
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#undef optional_argument
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#define optional_argument 2
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/* GNU-style long-argument parsers */
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extern int my_getopt_long(int argc, char *argv[], const char *shortopts,
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const struct option *longopts, int *longind);
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extern int my_getopt_long_only(int argc, char *argv[], const char *shortopts,
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const struct option *longopts, int *longind);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _GETOPT_H_INCLUDED */
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