/*

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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")

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*

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* This Source Code Form is subject to the terms of the Mozilla Public

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* License, v. 2.0. If a copy of the MPL was not distributed with this

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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*

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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*/

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#ifndef ISC_COMMANDLINE_H

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#define ISC_COMMANDLINE_H 1

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/*! \file isc/commandline.h */

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#include <stdbool.h>

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#include <isc/lang.h>

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#include <isc/platform.h>

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#include <isc/result.h>

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/*% Index into parent argv vector. */

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LIBISC_EXTERNAL_DATA extern int isc_commandline_index;

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/*% Character checked for validity. */

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LIBISC_EXTERNAL_DATA extern int isc_commandline_option;

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/*% Argument associated with option. */

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LIBISC_EXTERNAL_DATA extern char *isc_commandline_argument;

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/*% For printing error messages. */

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LIBISC_EXTERNAL_DATA extern char *isc_commandline_progname;

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/*% Print error message. */

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LIBISC_EXTERNAL_DATA extern bool isc_commandline_errprint;

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/*% Reset getopt. */

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LIBISC_EXTERNAL_DATA extern bool isc_commandline_reset;

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ISC_LANG_BEGINDECLS

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int

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isc_commandline_parse(int argc, char * const *argv, const char *options);

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/*%<

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* Parse a command line (similar to getopt())

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*/

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isc_result_t

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isc_commandline_strtoargv(isc_mem_t *mctx, char *s, unsigned int *argcp,

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char ***argvp, unsigned int n);

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/*%<

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* Tokenize the string "s" into whitespace-separated words,

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* returning the number of words in '*argcp' and an array

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* of pointers to the words in '*argvp'. The caller

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* must free the array using isc_mem_free(). The string

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* is modified in-place.

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*/

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ISC_LANG_ENDDECLS

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#endif /* ISC_COMMANDLINE_H */

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