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44 lines
1.4 KiB
44 lines
1.4 KiB
/** @file getopt_long.h
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** @brief getopt_long
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** @author Andrea Vedaldi
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**/
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/*
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Copyright (C) 2007-12 Andrea Vedaldi and Brian Fulkerson.
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All rights reserved.
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This file is part of the VLFeat library and is made available under
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the terms of the BSD license (see the COPYING file).
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*/
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#ifndef VL_GETOPT_LONG_H
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#define VL_GETOPT_LONG_H
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#include "generic.h"
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VL_EXPORT int opterr ; /**< code of the last error occured while parsing an option */
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VL_EXPORT int optind ; /**< index of the next option to process in @c argv */
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VL_EXPORT int optopt ; /**< current option */
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VL_EXPORT char * optarg ; /**< argument of the current option */
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VL_EXPORT int optreset ; /**< reset flag */
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/** @brief ::getopt_long option */
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struct option
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{
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const char *name ; /**< option long name */
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int has_arg ; /**< flag indicating whether the option has no, required or optional argument */
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int *flag ; /**< pointer to a variable to set (if @c NULL, the value is returned instead) */
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int val ; /**< value to set or to return */
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} ;
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#define no_argument 0 /**< ::option with no argument */
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#define required_argument 1 /**< ::option with required argument */
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#define optional_argument 2 /**< ::option with optional argument */
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VL_EXPORT int getopt_long(int argc, char * const argv[],
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const char * optstring,
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const struct option * longopts, int * longindex);
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/* VL_GETOPT_LONG_H */
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#endif
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