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