67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*
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* Copyright (C) 2016 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#pragma once
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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/**
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* [getopt(3)](http://man7.org/linux/man-pages/man3/getopt.3.html) parses command-line options.
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*
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* Returns the next option character on success, returns -1 if all options have been parsed, and
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* returns `'?'` on error.
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*/
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int getopt(int __argc, char* const __argv[], const char* __options);
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/**
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* Points to the text of the corresponding value for options that take an argument.
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*/
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extern char* optarg;
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/**
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* The index of the next element to be processed.
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* On Android, callers should set `optreset = 1` rather than trying to reset `optind` to
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* scan a new argument vector.
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*/
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extern int optind;
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/**
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* Determines whether getopt() outputs error messages.
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* Callers should set this to `0` to disable error messages.
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* Defaults to non-zero.
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*/
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extern int opterr;
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/**
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* The last unrecognized option character, valid when getopt() returns `'?'`.
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*/
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extern int optopt;
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__END_DECLS
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